Food Facts · Your food guide
Whey Protein
A two-part guide comparing whey concentrate and isolate, example servings and certification checks.
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Part 1: Nutrition Spotlight: Whey Protein
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Concentrate vs isolate.
Whey concentrate
Usually better value; a little more fat and lactose.
Whey isolate
Usually more protein per gram; less fat and lactose.
Complete protein
Both provide all nine essential amino acids, including leucine.
Avoid high-sugar blends
Compare sugars per 100 g. Check ingredients for added sugar.
Check milk & lactose
Some sugar is natural lactose. Both are unsuitable for milk allergy; isolate is not always lactose-free.
Part 2: Whey Protein: Benefits & Portions
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Example serving
30 g powder: ~20–27 g protein. Check label; scoops vary.
Muscle support
Both support muscle growth and repair. Use to help meet your daily protein target.
Independent quality check
Informed Protein and NSF Certified for Sport verify protein label claims.
Check the official list
Use protein.wetestyoutrust.com or nsfsport.com. Match the product, flavour and regional version.
UK-available certified picks
- Myprotein — Impact Whey Isolate
- Applied Nutrition — Critical Whey Professional
- Momentous — Grass-Fed Whey Isolate
Certification applies to listed versions.