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Protein Powders & Drinks
Showing 60 Products
Find better value for your routine with protein powder and drink deals from I Wonder What’s Next. Explore a changing selection of powders to mix at home, ready-to-drink shakes and protein waters. Whether you prefer making your own shake or taking a convenient drink on the go, discover our latest clearance offers.
We buy surplus stock, discontinued lines and products affected by packaging or pack-size changes to bring you clearance savings. Our stock includes in-date and long-dated products, alongside selected short-dated and past-best-before bargains, with availability varying across the range.
New lines arrive regularly, bringing different flavours and formats to discover. Our selection changes with the stock we source—that’s the idea behind I Wonder What’s Next. Check back to explore what’s arrived and find an option that suits you.
Protein sources, nutritional content and serving sizes vary between products. Check individual listings for ingredients, allergens, preparation instructions, pack sizes and best-before dates, along with any packaging or condition details.
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£4 delivery on other orders via Royal Mail Tracked 48.
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SlimFast Strawberry Meal Replacement Shake 6 x 325ml
RRP £11.00 £6.99
Ensure NutriVigor - Chocolate Flavour Shake–8x220ml – Nutritional Supplement
RRP £20.00 £7.49
Science in Sport Beta Nootropics Apple Gel Sachets 30 x 60ml
RRP £54.99 £12.99
PowerBar Protein+ Vegan Immune Support Vanilla Protein Powder 570g
RRP £24.80 £12.99
Applied Nutrition Critical Mass Professional Chocolate Mass Gainer 2.4kg
RRP £28.95 £22.99
BioTechUSA Juicy Isolate Orange Whey Protein Isolate Powder 500g
RRP £37.96 £19.99
FUEL10K Strawberry High Protein Breakfast Milk Drink 8 x 330ml
RRP £12.99 £6.99
FUEL10K Cookies & Cream High Protein Shake 8 x 330ml – 25g Protein, Gluten Free
RRP £15.12 £8.99
PowerBar Black Line Build Whey Protein Chocolate 572g
RRP £34.99 £14.99
Grenade Cookies & Cream Protein Shake 330ml – 26g Protein – 24 Pack
RRP £42.00 £22.49
Grenade White Chocolate High Protein Shakes 24 x 330ml
RRP £66.00 £19.99
Grenade Strawberries & Cream Protein Shake 8 x 330ml Low Sugar
RRP £22.00 £8.99
For Goodness Shakes Glow White Chocolate Collagen Protein Shake 12 x 250ml
RRP £33.00 £9.99
Vita Coco Extra Coconut Water Multipack - 12x330ml - Vitamin C & Potassium
RRP £16.99 £9.99
OSHEE Isotonic Lemon Sports Drink 750ml – Pack of 6 – Electrolyte Hydration Drink with B Vitamins
RRP £12.00 £3.99
Vita Coco Pure Coconut Water Naturally Hydrating, Packed With Electrolytes, Gluten Free, Full Of Vitamin C & Potassium 12x330ml
RRP £16.99 £9.99
Myprotein Essential Whey Protein Chocolate Smooth 600g – 4 Pack Case Deal – 2.4kg Total – Approx. 96 Servings
RRP £80.00 £40.00
Myprotein Essential Whey Protein Vanilla 600g – 4 Pack Case Deal – 2.4kg Total – Approx. 96 Servings
RRP £80.00 £40.00
Lindahls Protein+ Strawberry Milk Drink with Collagen 6 x 500ml – 38g Protein
RRP £19.50 £5.99
FUEL10K Fudge Brownie High Protein Shake 8 x 330ml – 25g Protein, Gluten Free
RRP £15.00 £7.99
Pulsin Pea Protein Powder | Natural & Unflavoured Vegan Protein | 1kg | 80% Protein | Gluten Free | Dairy Free | Plant Based | No Added Sugar
RRP £20.00 £9.99
Myprotein Clear Whey Protein Vimto Raspberry Orange & Passionfruit 1kg – 40 Servings
RRP £95.96 £29.99
Myprotein Clear Whey Protein Vimto Raspberry Orange & Passionfruit 250g – 10 Servings
RRP £23.99 £7.99
Grenade Strawberries & Cream High Protein Shakes 24 x 330ml
RRP £66.00 £19.99
Ensure NutriVigor Vanilla Flavour Nutritional Shake 400g - DENTED TIN
RRP £17.49 £9.99
Mas+ by Lionel Messi Berry Copa Crush Hydration Drink 12 x 500ml
RRP £24.00 £7.99
Mas+ by Lionel Messi Miami Punch Hydration Drink 12 x 500ml
RRP £24.00 £7.99
Complan Banana Nutritional Drink Mix 4 x 220g | 16 Sachets Total
RRP £14.00 £5.96
More Protein Sahne Cream Powder 600g High Protein Cooking & Baking Mix
RRP £32.99 £6.99
Applied Nutrition Critical Mass Original Vanilla Mass Gainer 6kg
RRP £76.95 £40.00
USN Pro Recover Strawberry Milk Recovery Drink Powder 400g
RRP £21.49 £3.59
USN Diet Fuel Ultralean Vanilla Meal Replacement Shake 770g
RRP £22.00 £5.99
USN Protein Fuel 40 Banana High Protein Shakes 24 x 500ml
RRP £68.00 £25.99
SiS GO Isotonic Energy Gel Lemon & Lime 30 x 60ml Vegan Sports Fuel
RRP £45.00 £6.99
Chef Aid 500ml Protein Shaker Bottle with 200ml Storage Section
RRP £5.85 £3.59
PBN Weight Gainer Chocolate Flavour 3kg High Protein Mass Gainer Powder
RRP £35.00 £17.99
Grenade Chocolate Salted Caramel Protein Shake 8 x 330ml Low Sugar
RRP £22.00 £8.99
Grenade White Chocolate Protein Shake 8 x 330ml Low Sugar
RRP £22.00 £8.99
PhD 100% Plant Vegan Protein Powder Belgian Chocolate 1kg | BBE 31/12/2026
RRP £27.00 £19.99
PhD 100% Plant Vegan Protein Powder Belgian Chocolate 5 x 1kg Bulk Pack | 200 Servings Total
RRP £135.00 £40.00
Science in Sport GO Isotonic Energy Gel Lemon & Lime 15 x 60ml Vegan
RRP £22.50 £2.99
Organic Turmeric Plus Superfood Powder 250g for Lattes, Shots, Smoothies & Cooking
RRP £9.95 £4.99
VALEO Leather Weightlifting Belt – 6 Inch Back Support | Medium
RRP £20.00 £5.88