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Greg Foot investigates the so-called wonder products making bold claims. Are they the best thing since sliced bread, or marketing BS?

Sliced Bread is the series that 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'? Science presenter Greg Foot finds out.

Greg speaks to experts on a bunk-busting mission to test the latest consumer trends chosen by listeners. Do they live up to the hype? Or are they just marketing BS?

Greg chats to the experts, dives into the data, performs tests and crunches the numbers before putting his findings back to the listener so they can decide if it's worth spending their hard earned money on.

For this brand new series of Sliced Bread, episodes will be released weekly on Thursdays wherever you get your podcasts. But if you're in the UK, you can listen to the latest episode on 麻豆约拍 Sounds first, a week earlier than anywhere else.

If you have a suggestion for a product to investigate, you can email the team on sliced.bread@bbc.co.uk or send a WhatsApp voice note via the number 07543 306807.

Sliced Bread is produced by 麻豆约拍 Audio North for 麻豆约拍 Radio 4 and 麻豆约拍 Sounds.

Updated: occasionally
Episodes available: indefinitely

Episodes to download

  •

    Petrol

    Thu 26 Jan 2023

    Is paying more for premium petrol worth the extra pennies?

  • Energy Drinks

    Thu 19 Jan 2023

    Do energy drinks like Monster and Red Bull really give you a boost and keep you alert?

  • Shampoo

    Thu 12 Jan 2023

    Do you get what you pay for with more expensive shampoo?

  • Cold Defence Nasal Sprays

    Thu 5 Jan 2023

    Do nasal sprays help reduce the symptoms of a cold?

  • Batteries

    Thu 15 Dec 2022

    Do more expensive AA batteries really last longer?

  • Perfume

    Thu 8 Dec 2022

    Do so-called 'clone' perfumes smell as good as the originals for a fraction of the price?

  • Razors

    Thu 1 Dec 2022

    Does the amount of blades really improve your shave?

  • Collagen Supplements

    Thu 24 Nov 2022

    Can taking collagen supplements really help reduce wrinkles?

  • Wake Up Lights & SAD Lamps

    Thu 17 Nov 2022

    Can SAD lamps and wake up lights help boost our mood?

  • Portable Heaters

    Thu 10 Nov 2022

    Which portable heater is best for heating you 鈥� and the room you鈥檙e in?

  • Natural Deodorants

    Thu 3 Nov 2022

    Greg breaks into a sweat to find out if natural deodorant can hold its own.

  • Compression leggings, Bath salts, Water softeners and filters

    Thu 18 Aug 2022

    A triple slice investigating three of your suggested wonder-products.

  • Dog food, Diet fizzy drinks, Mouthwash

    Thu 11 Aug 2022

    A triple slice investigating three of your suggested wonder-products

  • Paint

    Thu 4 Aug 2022

    We watch paint dry for you to find out if pricey paint is worth it.

  • Massage Guns

    Thu 28 Jul 2022

    Can massage guns help you warm up before exercise and recover more quickly after it?

  • Fat Burning Pills

    Thu 21 Jul 2022

    Is there really a pill that can help you burn fat?

  • Sunglasses

    Thu 14 Jul 2022

    Are expensive sunglasses worth it?

  • Manuka Honey

    Thu 30 Jun 2022

    Is it the bee鈥檚 knees?

  • Air Fryers

    Thu 23 Jun 2022

    Air fryers - can they save you money?

  • Air Purifiers

    Thu 16 Jun 2022

    How effective are air purifiers?

  • Carbon Negative and Carbon Offsetting

    Thu 9 Jun 2022

    Brands are planting forests to offset their carbon emissions, but how effective is it?

  • Meal Replacement Drinks

    Thu 2 Jun 2022

    Can a liquid lunch be good for you?

  • Electric Toothbrushes (& Water Flossers)

    Thu 26 May 2022

    The latest electric toothbrushes promise you a 鈥榩rofessional clean鈥�, but do they deliver?

  • Blue Light Filtering Glasses

    Thu 19 May 2022

    Are claims that they can protect our eyes and improve sleep true? Or just short sighted?

  • Personalised Vitamin Plans

    Thu 12 May 2022

    Are personalised vitamins a health win or just a bitter pill to swallow?

  • Running Shoes

    Thu 5 May 2022

    Is it worth paying more for a pair? Will they make you run faster?

  • Air Source Heat Pumps

    Thu 28 Apr 2022

    Can every home have an air source heat pump? Or is that claim a load of hot air?

  • Wagyu Beef

    Thu 21 Apr 2022

    Are they marketing sizzle, or steak?

  • Sustainable Jeans

    Thu 14 Apr 2022

    What makes them more sustainable? Do they last longer? Greg puts them to the test.

  • Electric Cars

    Thu 7 Apr 2022

    Greg Foot asks whether electric vehicles really are the best thing since sliced bread.

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