Protein powder / Thorne
Thorne
Whey Protein Isolate
Cost per 25 g protein$2.58at Vitacost
Dose math
- Serving size
- 30.2 g
- Protein per serving
- 21 g
- Servings per container (label)
- 30
25 g protein takes 1.19 servings of this product.
At the best price: $65.00 ÷ (30 servings × 21 g) × 25 g = $2.58
Prices
| Store | Price | Servings | Cost per 25 g protein | Checked |
|---|---|---|---|---|
| Vitacost | $65.00 | 30 | $2.58 | Oct 22, 2026 |
Prices are read from each store's own page and marked stale after 14 days. The best price is the lowest cost per 25 g protein among prices that aren't stale. Star ratings are the store's own reviews and never affect rankings.
Third-party certification
- NSF Certified for SportCurrentListing checked Oct 22, 2026See the certifier's listing
Lab results (COAs)
No certificate of analysis found.
Why tier B
- Current third-party certification: met
- NSF Certified for Sport: listing verified 2026-10-22.
- COA from an accredited lab, on the finished product, under 2 years old: not met
- No COA found.
Tier A needs both checks. Tier B needs at least one COA or certification. Tier C has neither. The tier sits next to the price and is never blended into it.
Label details
Other ingredients alkalized cocoa powder, chocolate flavors, evaporated cane juice sugar, rebaudioside A (from stevia), xanthan gum, carboxymethylcellulose gum