Sliced Bread
Sliced Bread is a BBC Radio 4 series that investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Host Greg Foot speaks to experts, dives into data, and performs tests to determine if these products live up to the hype. New episodes are released weekly on Thursdays, with early access on BBC Sounds.
Episodes
Eye Drops
Which eye drops are best for dry eyes?Listener Carole wakes up each morning with dry, gummed-up eyes. As a result she's built up a small hoard of different eye drops, variously promising to hydrate, soothe, or relieve; and that's only a fraction of the many drops, vials, and ointments out there on the pharmacy shelves. Carole's seen some brands come with premium prices, and others promise to be "p
Mushroom Gummies
Can mushroom gummies really sharpen your mind, reduce stress, and boost your energy?Listener Daisy has been seeing adverts for mushroom gummies all over her Instagram. These aren't the psychedelic kind of mushrooms - instead they're gummy sweets containing so-called 'functional mushrooms' such as lion's mane and reishi. The companies promise that taking just two a day will provide all sorts of ben
Acne Treatments
What really helps to treat acne?Listener Louise got in touch about a subject that affects thousands of people both physically and emotionally. She experienced acne from her teens into adulthood; and now with a daughter herself, is all too aware of the pressures facing young people through social media.She's keen to find out which of the vast array of over-the-counter treatments work and which ingr
Dough - Series 5: Supermarkets
Are self-checkouts here to stay or will we soon be paying without scanning or stopping? Greg Foot examines the future of supermarkets and considers wonder products and trends that might rise to success.Greg is joined by experts and entrepreneurs to discuss what is shaping today's everyday technology and what it may look like tomorrow, before the futurist Tom Cheesewright offers his predictions on
Dough - Series 5: Pets
Could advances in AI help us have conversations with our pets? Will a raccoon or a robot become the pet of the future? Or will or pets be sharing a seat beside us on the plane as we jet off for our next holiday?In this episode of Dough Greg Foot looks at pets and examines the rise of future wonder products.He's joined by experts, entrepreneurs and industry innovators to discuss the trends we'e see
Dough - Series 5: Cinemas
Is streaming really killing off the big screen? Greg Foot examines the future of cinemas and considers wonder products and trends that might rise to success.Greg is joined by experts and entrepreneurs to discuss what is shaping today's everyday technology and what it may look like tomorrow, before the futurist Tom Cheesewright offers his predictions on what cinemas might be like within five, ten a
Dough - Series 5: Gyms
Could weight-loss jabs make gyms less relevant? Greg Foot examines the future of the fitness sector and considers wonder products and trends that might rise to success. Greg is joined by experts and entrepreneurs to discuss what is shaping today's everyday technology and what it may look like tomorrow, before the futurist Tracey Follows offers her predictions on what gyms might be like within five
Dough - Series 5: Money
Could cash be losing its crown as digital money gains ground?Greg Foot looks at money and examines the rise of the wonder products and technologies emerging across the financial sector.He's joined by experts, entrepreneurs and industry innovators to discuss the trends we're seeing today and where they may lead us tomorrow, before a leading futurist offers their predictions on what life might be li
Experimental Peptides
Is it OK to take experimental peptides like the Wolverine Stack?These are what bodybuilders, longevity gurus, and online influencers are all talking about: experimental peptides. They're chemicals that you can buy online, in packages with names like the Wolverine Stack or the Glow Stack. The websites say "for research purposes only" but talk about their supposed benefits for wound healing and de-a
Laundry Detergents
Pods, liquids and powders: which laundry detergent really cleans up?A trip down the laundry aisle can leave you faced with a welter of confusing marketing claims. From stain-busting formulas and lower-temperature washes to eco-friendly promises, every detergent seems to offer cleaner clothes, lower energy use and a lighter environmental footprint.Listener Rosanna came to Sliced Bread for help maki
Pillows
What makes the perfect pillow? Nothing saying ‘waking up on the wrong side of the bed’ like a crick in your neck. With up to 70% of us experiencing neck pain at some point in our lives, sleeping in a dodgy position can lead to days of discomfort. And pillows might be part of the problem... Listener Angela has a frozen shoulder, and hoped a new pillow might provide a more comfortable night’s sleep.
Air Conditioning
What's the best way to keep your home cool?As heatwave after heatwave pushes temperatures higher across the UK and Europe, air conditioning has become a serious topic. Listener Rachel is one of many people who have turned to a portable air conditioner for relief. About the size of a dehumidifier, these units cool a room by drawing in warm air, chilling it, and venting the excess heat outside throu
Language Learning Apps
Can you really learn a new language from apps like Duolingo?
Sliced Bread listener Nathan Phelps has been teaching himself Japanese. He’s tried textbooks, tutors, and crucially, language apps on his phone - and he came to us because he’s seen these apps claiming to be “backed by science” to help you “learn a new language, fast”. More recently he’s even seen apps boast about “AI powered features
Kitchen Sponges, Cloths and Brushes
Which is the most hygienic for cleaning your kitchen?Most of us will be familiar with the cheap packs of coloured kitchen sponges with the abrasive tops, used for washing dishes and wiping surfaces. But could they be harbouring a host of bacterial baddies?Listener Caroline wants to know as she uses them regularly and even goes as far as running them through the washing machine to keep them cleaner
Robotic Lawnmowers
Can robotic lawnmowers save you time without hassling hedgehogs?Listener Pat has seen adverts for robotic lawnmowers and has lots of questions: Do they cut effectively? How do they manage with edges and flower borders? And what about avoiding wildlife and other objects in the garden?To find out, presenter Greg Foot is joined by BBC Gardeners' World magazine's tech reviewer Harry Duncton, alongside
Gut Microbiome Tests
Can a test tell you what's living inside your gut - and what to do about it?That's what listener Pete Mace asked us, kicking off a brand new series of Sliced Bread! He's seen 'gut microbiome tests' advertised by ZOE, Randox Health and others. They promise to tell you about the bacteria - and other bugs - currently making your intestines their home. Many also claim they'll use this information to
Food Containers
Is it ok to store food in plastic containers?That's the question put by listener Joe Tattersall in this, the last episode in the current series of 'Sliced Bread'. Joe's noticed scuffs and abrasions on his reusable plastic containers and is concerned about whether that increases the risk of 'chemical leaching' into his food, or ingesting microplastics. He's keen to know if alternatives like glass,
Cat Litter
What kind of cat litter is best for cats, owners and the environment?After we looked at dog poo bags for an episode, it's only right that we answer some questions for the cat lovers, around cat litter. Listener Ella got in touch to ask about it, after adopting her Sphynx indoor cat, Mr. Big (short for Mr. Bigglesworth). She wanted to know: what is the most absorbent cat litter that doesn't smell,
Ergonomic Keyboards and Mice
Do ergonomic devices like split keyboards and vertical mice help with comfort and health?If you're a heavy computer user there are an increasing variety of weird and wonderful options to help improve your comfort and reduce the risk of aches and pains associated with 'Repetitive Strain Injury' (RSI).Listener Tim is curious whether ergonomic tools—such as split keyboards, alternative layouts, or ve
Vibration Plates
Can Vibration Plates help with fitness, bone density, and even lymphatic drainage?They've been around for a while but vibration plates seem to be having another 'moment'. Originally touted as a piece of fitness kit for the gym or home, the latest ads on social media seem to be promoting claims around benefits to bone density and lymphatic drainage.Listeners Natasha and Steve got in touch wanting t
Hair Removal Devices
Can Intense Pulsed Light devices really "zap" away your unwanted hair? You may have seen IPL devices advertised on social media - that promise painless hair removal using light to "zap" away body hair.Listener Karen got in touch to ask if these "Zappers" could possibly free her from having to shave her legs in the summer? How are they supposed to work, are they safe to use, and is it worth the inv
Infrared Saunas
Are infrared saunas as effective as traditional ones?If you've ever sat sweating on a wooden bench in a traditional ('Finnish') sauna wondering if there was an easier way, could infrared be the answer? Infrared saunas work at lower temperatures, ostensibly making it easier to stay in there for longer. Listener Paul got in touch after trying one and wants to know if infrared saunas give you the sam
Earwax Removers
Almost everyone is guilty of fiddling with their ears, especially if they can feel a build-up of earwax in there. But what actually works to get rid of it, and should we be messing with them in the first place?Listener Martin got in touch after finding out his earwax build-up was returning - and wanted to know if drops alone would solve his problem, or if he needed to seek professional help to rem
Collagen (2026 Update)
What's the latest on collagen?The new series of Sliced Bread kicks off with an update on one of the wonder products most-requested by listeners. Presenter Greg Foot first looked at collagen in 2022 and returns to the subject to find out what has changed in the scientific landscape since then. Could there be new evidence that it really can do what the manufacturers claim: rejuvenate skin, nails and
Dough - Series 4: Food
What will the food of the future look like? Greg Foot finds out.Greg Foot, host of BBC Radio 4’s Sliced Bread, returns with Dough — the series exploring the rise of future wonder products that could transform the way we live.Each episode examines the emerging technologies and innovations poised to shape tomorrow’s world. Greg speaks with experts and entrepreneurs to uncover the trends influencing
Dough - Series 4: Eyewear
Could smart glasses with built-in video cameras become widely accepted?Greg Foot, host of BBC Radio 4's 'Sliced Bread' brings you 'Dough', examining the rise of future wonder products.Greg is joined by experts, entrepreneurs and industry innovators to discuss the trends we're seeing today and where they may lead us tomorrow, before a leading futurist offers their predictions on what life might be
Dough - Series 4: The Office
What will the office be like in future? Greg Foot, host of BBC Radio 4's 'Sliced Bread' brings you 'Dough', examining the rise of future wonder products.Greg is joined by experts, entrepreneurs and industry innovators to discuss the trends we're seeing today and where they may lead us tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty
Dough - Series 4: Trains
Could ticketless travel and satellite connectivity be coming to our rail network? Greg Foot examines the rise of future wonder products.He's joined by experts, entrepreneurs and industry innovators to discuss the trends we're seeing today and where they may lead us tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.In this episo
Dough - Series 4: Mobile Phones
What will mobile phones be like in future? Greg Foot investigatesGreg Foot, host of the BBC Radio 4 show 'Sliced Bread', brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on w
Baby Sleep Products
Sleep deprived parents everywhere are tempted to reach for anything that might help them get a little more sleep overnight – but can products promising to encourage babies to snooze for longer – really do that? And is there any science to back it up?That is exactly what tired Dad-of-three Dave wanted to know – and whether there were any future implications from using these gadgets, docks, blinds a
Kitchen Knives and Sharpeners
Which knife is best for the kitchen and how do you keep it sharp?After buying various knives over the years that ended up blunt, listener Susan is looking for one that will last. She's seen an array of different types and materials: Damascus steel, Japanese Gyuto knives, as well as alloys and additions that promise a sharper edge. They vary hugely in price - anything from £50 to £1,000. And if you
VPNs
Do you really need a VPN?Listener Andrew has seen and heard lots of adverts for Virtual Private Networks (VPNs) and wants to know if they'll beef up the security on his computer. Will they provide extra protection from malware or hackers?To get the answers, presenter Greg Foot is joined in the studio by Professor Victoria Baines, fellow of the Chartered Institute for IT.All our investigations star
Kefir
Listener Amanda was Kefir curious, and got in touch with Sliced Bread to ask if the Kefir she was consuming for breakfast every day – was really having an impact on her health, cognitive function, and her gut?She wasn’t the only person to get in touch about kefir either, with others saying they keep seeing the benefits of fermented foods crowed about on social media. Greg Foot talks to head of the
Testosterone Replacement Therapy
Can taking testosterone help with low libido and energy?It's all over social media and is often touted by celebs - both male and female - but is testosterone replacement therapy the answer to listener Clive's low energy levels? Clive got in touch after sending off for a blood test with an online health firm which showed he might have low testosterone and could be a candidate for therapy. But to bu
Dark Chocolate
Listener Jenny, who enjoys a 90% cocoa bar from time to time, got in touch to ask if some of the reports that dark chocolate can have a positive effect on things like circulation and mood - have any truth behind them? But Jenny also told Sliced Bread that since she read reports that heavy metals such as lead and cadmium could be in dark chocolate - she's been unable to enjoy her regular bar, until
Weight-loss Injections
Is it ok to stay on weight loss injections?They have been nothing short of a pharmaceutical phenomenon. But for people like listener Lynn who've had huge success on weight loss drugs like Mounjaro, the question now arises about the implications of using them long-term. Could there be a 'maintenance' dose that would potentially allow for use over many years, or even a lifetime? And as scientists st
The Sliced Bread Christmas List 2025
The team has gone through 30 episodes over the past year, and carved out five potential present worthy products that may well be heading down a chimney to you this Christmas. (We wanted to give you plenty of time to include them in your letters to Santa.) Greg Foot will share with you the key points from experts we’ve spoken to on Nail Polish & Gel Nails, Chopping Boards, Lip Balm, Smart Scale
Cough Medicines
Are cough medicines any better than just taking honey and lemon?When Listener Sally sent in a croaky voicenote to our Sliced Bread Whatsapp number (07543 306807 - put us in your contacts!) we knew we had to tackle this one. Sally didn't think the medicine she used for her cough did very much, so she joined presenter Greg Foot and Jacky Smith, Professor in Respiratory Medicine at the University of
Car Shampoos and Coatings
Are special shampoos and coatings any good at cleaning and protecting your car? They're all over Instagram: washes, foams, and ceramic coatings in a rainbow of coloured bottles that promise to give your car that showroom shine. For listener James - a driving instructor - the question is whether they're worth the money, or if an ordinary bottle of washing up liquid will do the job.
To find out Gr
Fake Tans
Listener Julie has been reaching for the fake tan every spring to add a "bit of colour" to her legs, but after much trial and error with foams, lotions and gels, she got in touch with Sliced Bread to ask what is actually IN fake tan? How does it work - and is there a particular kind that might suit her best?Greg Foot is joined by Consultant Dermatologist and Senior Lecturer at the University of Ma
Toenail Fungus Treatments
Can anything stop toenail fungus in its tracks?It's one of the most-requested but least-talked-about topics, so listener Julia speaks for many as she joins us to ask about treatments for toenail fungus. She's keen to know if the laser-light devices shes's seen on social media really do work, as well as over-the-counter lacquers and prescription drugs. To get the answers Greg and Julia are joined i
Scar Gels and Oils
Greg Foot speaks to Consultant Dermatologist and Dermatological Surgeon Dr Emma Craythorne - who has plenty of skin in the game - to find some answers for listener Phil about about scars, how they occur, the different types, and what might help make them less obvious. Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener.
Creatine
Can creatine boost your body and mind?Listener Simon has been taking the fitness supplement creatine and wants to know if the science backs up the claim that it can make you stronger and faster. He's also heard that it can help with cognitive function. To find out if creatine can boost body and mind, presenter Greg Foot is joined by Graeme Close, Professor of Physiology at Liverpool John Moores Un
Dough - Series 3: The Future of Flight
Can supersonic air travel make a comeback?Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be l
Dough - Series 3: The Future of Clothing
Could 'smart' clothing monitor our health?Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be l
Dough - Series 3: The Future of Housebuilding
Could your future home be built by a robot bricklayer?Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what lif
Dough - Series 3: The Future of Home Parcel Delivery
Will delivery drones and robots make popping to the shops a thing of the past?Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their
Dough - Series 3: The Future of Cars
Will your car be driving you by 2050?Greg Foot, host of the BBC Radio 4 show Sliced Bread, now brings you Dough.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like withi
Smart Doorbells
Is it worth getting a Smart Doorbell?Greg Foot pushes all the right buttons as he gathers consumer and crime experts to get answers for listener Derek, who's keen to learn more about the various features, prices and security elements in the growing market of smart doorbells. Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and gr
Salt
Is expensive salt better for your health?Greg Foot gathers the experts, dives into the data and crunches the numbers to get the answers for listener Sally.Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?All of our episodes st
Nail Polish and Gels
Greg Foot gathers the experts, and "chips" away at the science for listener Helen.Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product
Standing Desks
Greg Foot gathers the experts, to find out which claims "stand up" to scrutiny for listener Bede. Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or
Dehumidifiers
Can dehumidifiers dry out your house - and your clothes?Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listener Rhys.Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?All of our e
Chopping Boards
Which chopping board material is best for hygiene and the planet?Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listener Simon.Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?Al
Water Filters (Live at Cheltenham Science Festival)
Can jug or under sink filters, promising to soften tap water and improve taste, really take out what they claim?Greg Foot gathers the experts live at Cheltenham Science Festival, dives into the data and crunches the numbers to get answers for listener Elaine.Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they r
Dog Food (Live at Hay Festival)
Is more expensive dog food worth it?Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listeners Izzy and Pete. Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?RESEARCHER: PHIL SANS
Menopause Supplements
Can supplements claiming to make menopause symptoms more bearable, really help? Going through menopause can result in a myriad of symptoms, leaving women stressed, exhausted, and desperate for anything that might make it easier to deal with. In recent years, a huge range of products have become available in supermarkets, pharmacies and online, all promising to help alleviate some of these symptoms
Vagus Nerve Stimulators
Do Vagus Nerve Stimulators help your mental health?The vagus nerve could be one of the most important body parts you might never have heard of. It's a large nerve that connects major organs like the heart and lungs to the brain and studies have found that stimulating it with electrical pulses can lead to dramatic improvements in some people with depression and other mental health conditions. Those
Lip Balm
When staring at shelves full of sticks, tubs and tubes all promising us the perfect pout, how do you know which Lip Balms will really help keep chapped lips at bay?Listener Kiran is a regular lip balm applier - saying she often suffers with dry or cracked lips, and recently splashed out on an expensive lip balm after seeing celebrity endorsed adverts for it online. But she isn’t sure it’s any bett
Sleep Headbands and Sleep Bars
Which products are best for bedtime listening?According to a YouGov poll nearly half of us listen to music or podcasts to help us get to sleep and there are a range of products designed to do just that.Listener Nick has seen wearable sleep headbands with speakers woven in to the fabric which he hopes will stop him waking up in the middle of the night with headphones or earbuds digging into his ear
Plant-Based Meat Alternatives
You may have heard health warnings around too much red or processed meat, and considered trying a plant based meat alternative as one of your midweek meals instead. But after looking at the ingredients on the packet and spotting salt, additives and flavourings, wondered if they really are the healthier choice?That’s exactly what listener Graham did, as he hunted for an alternative to his beloved s
Jet Lag Products
Are there products that can help you avoid or ease jet lag?If you've travelled long-haul you'll know the feeling; your body feels completely out of sync with the new time zone, leaving you tired, disorientated and quite possibly a tad irritated!So is there anything you can do? Listener Moira suffered the effects of jet lag on a recent work trip to India and with another one coming up to the USA, s
Artificial Sweeteners
Artificial sweeteners appeal to anyone with a sweet tooth looking to cut down on their sugar intake. They’re not only for use in our cups of tea or coffee, but they’re also in fizzy drinks, low calorie products, sweets and baked goods. But are they really a better alternative?Greg is joined by a leading scientist from the World Health Organisation, as well as a Professor of Gastroenterology who ha
Home Allergy Tests
Can home tests tell you if you have an allergy or a food intolerance?We're back with a new batch of investigations and kicking off this series is one of our most popular requests: home allergy tests. The companies that make them claim they can help you work out if you have an allergy or intolerance to certain foods. The idea is the information can help you decide what to eliminate from your diet.
Dough - Series 2: Watches
What is keeping the traditional watch industry ticking over?The entrepreneur, Sam White, hosts Dough - the BBC Radio 4 series which looks at the business behind profitable everyday products and where the smart money might take them next.In each episode, Sam, and the futurist, Tom Cheesewright, are joined by product manufacturers and industry experts whose inside knowledge gives a new appreciation
Dough - Series 2: Lawn Mowers
Could the next generation of lawn mowers create any image you like on your lawn?The entrepreneur, Sam White, hosts Dough - the BBC Radio 4 series which looks at the business behind profitable everyday products and where the smart money might take them next.In each episode, Sam, and the futurist, Tom Cheesewright, are joined by product manufacturers and industry experts whose inside knowledge gives
Dough - Series 2: Bicycles
How can the bicycle industry recover from sales that plummeted after the pandemic?The entrepreneur, Sam White, hosts Dough - the BBC Radio 4 series which looks at the business behind profitable everyday products and where the smart money might take them next.In each episode, Sam, and the futurist, Tom Cheesewright, are joined by product manufacturers and industry experts whose inside knowledge giv
Dough - Series 2: Washing Machines
Could washing machines soon be cleaning our clothes without using any water?The entrepreneur, Sam White, hosts Dough - the BBC Radio 4 series which looks at the business behind profitable everyday products and where the smart money might take them next.In each episode, Sam, and the futurist, Tom Cheesewright, are joined by product manufacturers and industry experts whose inside knowledge gives a n
Dough - Series 2: Game Consoles
Game consoles have come a long way since the 1970s but could their days now be numbered?The entrepreneur, Sam White, returns with a new series of Dough - the BBC Radio 4 show which looks at the business behind profitable everyday products and where the smart money might take them next. In each episode, Sam, and the futurist, Tom Cheesewright, are joined by product manufacturers and industry expert
Hearing Aids
Listener Angela is a musician, and long-time wearer of Hearing Aids – but as her parents and friends have started reaching an age where they might need them, she’s wondering what advice to give them - and whether paying more for a hearing aid, and potentially going private – would really help?There’s no question – Hearing Aids are Sliced Bread – but can the top end products really deliver on claim
Plant Food
Edinburgh gardener Alan got in touch with Sliced Bread, to ask if he really needs to be spending money on buying and applying plant food or fish, blood and bone meal to his roses and woody perennials? He was keen to know what is in these commercial plant foods that come as a solid, liquid or granule, how often he is supposed to use them, whether they make as much of a difference as they claim, and
Boiling Water Taps
Do Boiling Water Taps save you money?They're often seen in offices but boiling water taps are increasingly popular for the home kitchen too. They hold hot water at a constant temperature in a tank under your sink and claim to save you money compared to boiling a regular kettle. But does the evidence back up the marketing hype?Listener Jenny got in touch with Sliced Bread because she's upgrading he
Grounding Sheets
Grounding Sheets - do they really work?It's perhaps the most-requested product in Sliced Bread history but is there any real science behind grounding (or 'earthing') sheets? The claims made for them are wide and varied - from reducing inflammation and pain, to helping with sleep. How do they do this? Proponents say grounding sheets connect you to the Earth's own electrical field and dissipate elec
Cooking Oils
Which cooking oils are best for your health?Listener Sarah got in touch after seeing claims on social media that more expensive oils are better for you than regular vegetable, or rapeseed oil. And listener Kamal sent us a voicenote asking about coconut and avocado oil - both touted as healthier alternatives to other types of oil. Are they worth the extra cost? And what about health concerns if cer
Protein Powder
Listener Helen from Manchester got in touch to ask about Protein Powders, as she considered replenishing her supply that she’s been taking after long distance runs. She wanted to know if Whey or Plant-based protein really can help her build and repair muscle, whether there’s a set amount she should be having, if one type is better than the other, or if she could just get the protein she needs from
Smart Scales
Listener Steve got in touch with us after trying out a set of Smart Scales himself. He wanted to keep an eye on his protein levels – which his scales claimed to do – for health reasons, and because he’d heard that we need more protein as we get older. His scales also promised to show him his body fat, muscle mass, and bone mass via a corresponding app on his phone. However, some of those readings
Insulation Hacks
Can you insulate your home for less than £100?With winter setting in listener Robin got in touch with Sliced Bread to find out if there's a way he can insulate his very old, very cold Victorian house on a budget. He's seen plastic films that go over the windows and silver foil-type backings that go behind the radiators. Do any of them work to keep the cold out and more of that precious heat in? An
The Sliced Bread Christmas List
The team has gone through over 100 episodes of Sliced Bread, and carved out five popular products that may well be heading down a chimney to you this Christmas. Greg Foot will share with you the key points from experts we’ve spoken to on Air Fryers, Mascara, Perfume, Running Shoes, and DNA Ancestry Tests - as well as their conclusions in one handy festive slice! We’ve also updated some of the topi
Hair Loss Products
Can wonder products halt hair loss and grow back luscious locks?We're back with a new series of Sliced Bread and a fresh batch of investigations into your suggested wonder products. First up this time are lotions and pills that promise to stop hair loss - and even grow it back. For this episode Greg is joined at our Salford studios by two listeners, Ian and Kimberley. Ian got in touch about two pr
Coffee Pods
Listener Liz has recently switched to a coffee pod machine, that promises to deliver her a quick, convenient and delicious cup of coffee when she wants at the touch of a button. But she started to wonder about how the pods can be recycled, and whether her decision to swap to them had a greater impact on the environment?Greg Foot ‘filters’ through the research on coffee’s carbon footprint alongside
