100% Whey
by Reflex Nutrition
A trusted everyday protein: affordable, versatile, and designed to support your training goals with every shake.
- Up to 21g protein per serving
- For shakes, smoothies, baking and more
FlavourVanilla
Size720g
Best price
Awaiting restock£24.46
£3.40 / 100g
Secure retailer checkout
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Transparent protein profile
What's inside
Values per 100g, with the amount in one 30g serving
70g protein
21g per 30g serving - solid protein content
9g carbohydrates
2.7g per 30g serving - low carb
5g fat
1.6g per 30g serving - moderate fat
368 kcal
110 kcal per 30g serving
View full nutritional information
| Nutrient | Per 100g | Per serving (30g) |
|---|---|---|
| Protein | 70g | 21g |
| Calories | 368 kcal | 110 kcal |
| Carbohydrates | 9g | 2.7g |
| Fat | 5.2g | 1.6g |
Know when to buy
Price history
Lowest price on record, any flavour or size
£3.40/100g (£24.46 for 720g on 30 Sept 2026)
720g · all flavours · price per pack
- Amazon UKlatest £24.46, lowest £24.46, highest £26.64 in the last 90 days
Quick answers
Is this right for you?
Who is it for?
Reflex Nutrition 100% Whey is designed for gym-goers and strength trainers looking for an affordable, everyday protein source. Whey concentrate suits anyone who wants a solid protein boost without paying a premium for ultra-high purity. It works well as a post-workout shake or a between-meals top-up.
What can you expect?
A well-rounded protein powder that mixes easily and tastes good. Whey concentrate typically delivers 70-80% protein content with a natural, creamy texture. You will get a reliable source of all essential amino acids including BCAAs to support muscle recovery after training. With 70g of protein per 100g (around 21g per 30g serving), Reflex Nutrition 100% Whey sits in a solid mid-range for a whey concentrate product.
What else do you need to know?
Reflex Nutrition 100% Whey is a whey concentrate protein powder made by Reflex Nutrition. It comes in 720g sizes. Every price on WheyWise is read from the retailer’s own page and re-checked daily and sorted by cost per 100g, so you can see both the cheapest option and how current it is. All links to Amazon and retailer sites are affiliate links - this is how WheyWise stays free.
Frequently asked questions
Where is the cheapest place to buy Reflex Nutrition 100% Whey in the UK?
We refresh Reflex Nutrition 100% Whey pricing daily from Amazon UK and show the fetch time next to every figure. If no verified price is showing above, we do not currently hold one we would stand behind, and the buy button will take you to the live listing to check.
How much protein does 100% Whey contain per 100g?
100% Whey contains 70g of protein per 100g, with 21g per 30g serving. It is a whey concentrate product.
Is Reflex Nutrition 100% Whey currently in stock?
At the last check, 0 out of 3 tracked variants were in stock. Stock status carries the same fetch time as the price shown above, so check the retailer listing before ordering.
Pick your pack
1 size · any flavour · cost per 100g for each
Where to buy in the UK
720g · 3 offers for this selection · sorted by cost per 100g
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