Data table
NSF Certified for Sport Protein Powders
17 of 27 protein products checked here are NSF Certified for Sport — confirmed directly in NSF's live certified-products listing, not just claimed on the label.
Every product in the table confirmed against NSF's own Certified for Sport listing under the manufacturer's brand/company name, rather than taken on the strength of a package badge.
| whey concentrate/isolate/blend, casein, or plant | 'Informed Choice' = confirmed on that registry's own listing (Informed Sport itself was unreachable, see provenance); 'none found' = not located in either registry search | True if either certifiedNsfSport is true or certifiedInformed is not "none found" | proteinPerServingG ÷ servingSizeG, rounded — a rough purity signal, not a lab assay | True if proteinType is a plant protein (pea, rice, etc.) rather than whey/casein/collagen | Manufacturer-listed price for the container size in basis, at curation time — not a live price feed | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Optimum Nutrition | Gold Standard 100% Whey | whey concentrate/isolate blend | ✓ | Informed Choice (parent company Glanbia's ON line listed) | ✓ | 24 g | 31 g | 77 % | — | $44.99 | $1.1 |
| Muscle Milk (PepsiCo) | Genuine Protein Powder | whey/casein blend (Non Dairy formula also NSF-listed) | ✓ | none found | ✓ | 32 g | 71 g | 45 % | — | $34.99 | $1.75 |
| Garden of Life | Sport Certified Grass Fed Whey | whey isolate/concentrate blend, grass-fed | ✓ | Informed Choice ("Sport Certified Grass Fed Whey") | ✓ | 24 g | 34 g | 71 % | — | $39.99 | $2.35 |
| Garden of Life | Organic Plant-Based Performance Protein | plant (pea/organic sprout blend) | ✓ | none found | ✓ | 30 g | 43 g | 70 % | ✓ | $44.99 | $2.65 |
| Thorne | Whey Protein Isolate | whey isolate | ✓ | none found | ✓ | 21 g | 27 g | 78 % | — | $59 | $2.3 |
| Thorne | Plant Protein | plant (pea) | ✓ | none found | ✓ | 21 g | 33 g | 64 % | ✓ | $54 | $2.25 |
| Klean Athlete (Douglas Labs) | Klean Isolate | whey isolate | ✓ | none found | ✓ | 20 g | 26 g | 77 % | — | $54 | $2.7 |
| Klean Athlete (Douglas Labs) | Klean Casein | casein | ✓ | none found | ✓ | 24 g | 33 g | 73 % | — | $58 | $2.9 |
| Momentous | Essential Grass Fed-Whey Protein | whey, grass-fed | ✓ | none found | ✓ | 20 g | 25 g | 80 % | — | $65 | $2.6 |
| Momentous | Plant Protein | plant (pea/rice blend) | ✓ | none found | ✓ | 20 g | 30 g | 67 % | ✓ | $65 | $2.6 |
| Transparent Labs | 100% Grass-Fed Whey Protein Isolate | whey isolate, grass-fed | ✓ | none found (Transparent Labs Mass Gainer, Pump, Collagen, PurCaf found on Informed Choice — not this SKU) | ✓ | 28 g | 34 g | 82 % | — | $64.99 | $2.3 |
| Bare Performance Nutrition | Whey Protein Isolate | whey isolate | ✓ | none found | ✓ | 25 g | 32 g | 78 % | — | $54.99 | $2.2 |
| Bare Performance Nutrition | Vegan Protein | plant (pea/rice blend) | ✓ | none found | ✓ | 22 g | 34 g | 65 % | ✓ | $54.99 | $2.2 |
| 1st Phorm | Phormula-1 Clear Protein Powder | whey/collagen hydrolysate (clear, juice-like format) | ✓ | none found | ✓ | 20 g | 24 g | 83 % | — | $59.99 | $2.85 |
| Ladder (LeBron James/Arnold Schwarzenegger brand) | Premium Whey Protein | whey isolate/concentrate blend | ✓ | none found | ✓ | 25 g | 33 g | 76 % | — | $69.99 | $3.5 |
| Vega | Sport Premium Protein | plant (pea/pumpkin seed/sunflower seed blend) | ✓ | Informed Choice ("Performance Protein + Recovery" listed, different SKU name) | ✓ | 30 g | 46 g | 65 % | ✓ | $44.99 | $2.65 |
| GHOST | GHOST Whey Protein | whey concentrate/isolate blend | ✓ | none found | ✓ | 25 g | 33 g | 76 % | — | $49.99 | $2.15 |