Whey Protein Isolate
Leaner, lower-lactose protein source.
Educational only — not medical advice. BodEvo summarizes research cautiously and labels estimates as estimates. Talk to a physician or registered dietitian before starting any supplement, diet, or training program.
What the evidence says
Similar effectiveness to concentrate for protein synthesis. Lower lactose is the main advantage.
Typical dose & timing
Dose: 20–40 g protein per serving as needed
Timing: Any time.
Role in a stack
Protein coverage.
Redundancy check: Redundant if whey concentrate already covers protein needs.
Cautions & safety
Count toward total daily protein and calories.
More expensive than concentrate. Better for lactose sensitivity.
Best for
cutting · lactose-sensitive users · lower-calorie intake
Buying guide
Budget: Isolate is generally pricier than concentrate — buy the smallest size first to test tolerance and taste.
Standard: Mid-tier isolate with good amino acid profile and low carb/fat content.
Premium: Cross-flow filtered isolate with third-party certification.
Source-verified products
Real products in this category, ordered by review count. Each price and rating comes from the product's own page, recorded 2026-07-29 — follow the link for current values. Links go to the product's source page and never affect this ranking.
- Phormula-1 (Whey Protein Isolate)
1st Phorm · $64.99 · 4.9/5 (26542 ratings) · premium tier - Transparent Labs Grass-Fed Whey Protein Isolate
Transparent Labs · $59.99 · 4.71/5 (6720 ratings) · premium tier - Phormula-1 Clear (Whey Protein Isolate)
1st Phorm · $44.99 · 4.9/5 (4134 ratings) · mid tier - Whey Protein Isolate 90% Powder
BulkSupplements · $22.97 · 4.82/5 (3009 ratings) · budget tier - NOW Sports Whey Protein Isolate, Creamy Vanilla
NOW Sports · $98.21 · 4.6/5 (2103 ratings) · premium tier - Whey Protein Isolate
Kaged · $74.00 · 4.8/5 (1366 ratings) · premium tier - Whey Protein Isolate
Swolverine · $62.99 · 4.9/5 (743 ratings) · mid tier - Naked Grass-Fed Whey Protein Isolate
Naked Nutrition · $64.99 · 4.9/5 (605 ratings) · mid tier - Nutricost Whey Protein Isolate Powder
Nutricost · $54.97 · 4.45/5 (200 ratings) · mid tier - Clear Naked Whey (Whey Protein Isolate)
Naked Nutrition · $44.99 · 4.6/5 (191 ratings) · budget tier - Authentic ISO Grass-Fed Whey Protein Isolate
Jacked Factory · $44.99 · 4.6/5 (143 ratings) · budget tier - Hydrolyzed Whey Protein Isolate Powder
BulkSupplements · $21.97 · 4.7/5 (87 ratings) · budget tier
References
- Whey protein supplementation during resistance training augments lean body mass. Journal of the American College of Nutrition (2014)
Whey protein supplementation augments lean body mass gains during resistance training. Isolate offers similar benefits to concentrate with less lactose.
Use it in the app: open the Supplement Library and Stack Builder — free, local-first, no account required.