Whey Isolaat: what buyers say
How the score works
Mixes well according to buyers, but taste and batches vary a lot.
A plain link to the shop; we get nothing for it. Supplist is owned by simpliSELF B.V., which also sells its own supplements.
AI (Claude) summary of 343 reviews from XXL Nutrition's web shop, read on 16 October 2026, spot-checked by people. We don't verify ourselves that reviewers are buyers. How we use reviews
What buyers like
- +Many reviewers say it dissolves quickly without lumps, even in water. 63×
- +Vanilla, chocolate and strawberry-banana are often called tasty and not too sweet. 31×
- +The neutral, unsweetened variant is handy in food and recipes. 11×
- +Reviewers easily mix it into yoghurt, quark, oats or pancakes. 14×
What buyers complain about
- –Many buyers taste a chemical, bitter or unpleasant aftertaste. 37×
- –Several buyers find the flavours far too sweet. 17×
- –Regular customers report that taste or dissolving suddenly changes from batch to batch. 25×
- –Customers complain about sharply higher prices. 20×
- –The bag seals poorly and is seen as awkward. 16×
Watch out
- !Cookies & cream and coconut get the most flavour complaints. 23×
- !Some buyers get lumps or a lot of foam. 19×
- !A few buyers report diarrhoea, cramps, nausea or a skin rash. 7×
- !One buyer found instant coffee in cookies & cream, not mentioned online. 1×
- !The bag often no longer seals once powder gets in the seal. 7×
- !According to regular customers, the price has risen sharply. 6×
The number is how many of the 343 reviews we read mention this. We only show points about taste, mixing, packaging, price and reported complaints, not about effects.
XXL Nutrition doesn't allow automated price checks. See the price in the shop.
How the score of 6.2 is made
Frequently asked questions
What do buyers think of XXL Nutrition Whey Isolaat?
Mixes well according to buyers, but taste and batches vary a lot. Supplist score 6.2 out of 10, number 15 in protein.
What do buyers like most?
Many reviewers say it dissolves quickly without lumps, even in water. (63 of 343 reviews read)
What's the most common complaint?
Many buyers taste a chemical, bitter or unpleasant aftertaste. (37 of 343 reviews read)
Other protein
8.3Gold Standard 100% Isolate
- Many buyers like the taste, especially vanilla, strawberry and chocolate. 58×
- Some find the chocolate flavour too bland, artificial or odd. 4×
7.7Clear Whey Isolate
- Almost all reviewers find the lemonade flavour tasty and fresh, especially Tropical. 41×
- Several buyers find it too sweet and add extra water. 6×
7.5Gold Standard 100% Whey
- Many buyers like the taste, especially chocolate and vanilla ice cream. 77×
- Some flavours disappoint: cookies and cream, strawberry, hazelnut, peanut butter. 15×
7.2Collageen Poeder
- Almost all reviewers like the fruity lemonade flavour. 42×
- Some find the flavour strong or a bit chemical and dilute it further. 5×
Reviews read on 16 October 2026; prices checked on 16 October 2026. Prices in the shop may have changed since. A summary of what buyers say, not medical advice.