Whey Protein Isolate
Thorne Whey Protein Isolate is a whey isolate protein powder with 21 g of protein per 1 scoop (30.2 g). It scores 82/100 on the TBPP Quality Score. It is NSF Certified for Sport.
Nutrition per serving
Chocolate flavor, from the label.
| Serving size | 1 scoop (30.2 g) |
|---|---|
| Protein | 21 g |
| Calories | 100 |
| Carbohydrates | 4 g |
| Sugar | 2 g |
| Fat | 1 g |
| Sodium | 105 mg |
| Protein by weight | 70% |
| Leucine | Not verified |
| BCAAs | Not verified |
How it scored
82 of 100 points. How we score
| Criterion | Points | Why |
|---|---|---|
| Protein density | 22 / 30 | 70% of each scoop is protein |
| Third-party testing | 25 / 25 | Lot-tested for banned substances |
| Label transparency | 10 / 20 | uses a proprietary blend |
| Sugar | 10 / 10 | 2 g sugar per serving |
| Ingredient simplicity | 10 / 10 | Natural flavors and sweeteners |
| Verified label data | 5 / 5 | 7 of 7 label values verified |
Formula and label
| Type | Whey Isolate |
|---|---|
| Protein sources | Whey Protein Isolate |
| Third-party testing | NSF Certified for Sport |
| Sweeteners | Evaporated Cane Juice Sugar, Rebaudioside A (Stevia) |
| Proprietary blend | Yes |
| Added free amino acids | No |
| Dietary | Gluten-Free, Soy-Free |
| Allergens | Milk |
| Made by | Thorne |
| Sold at | Thorne.com, Vitacost, Thrive Market, Fullscript |
Price
$65.00 for 30 servings. About $2.17 per serving, or $2.58 per 25 g of protein.
Sizes: 30 servings (906 g, chocolate), 14 single-serve travel packets
Flavors (2)
- Chocolate
- Vanilla
Sources
- https://www.thorne.com/products/dp/whey-protein-isolate-chocolate
- https://www.thorne.com/products/dp/whey-protein-isolate-chocolate-sp110p
- https://www.vitacost.com/products/thorne-whey-protein-isolate-chocolate-1-99-lb-906-g-68452
- https://www.vitacost.com/products/thorne-whey-protein-isolate-chocolate-14-packets-1-06-oz-30-2-g-each-150564
- https://fullscript.com/catalog/products/whey-protein-isolate-chocolate-flavored
- https://thrivemarket.com/p/thorne-whey-protein-isolate-chocolate
- https://www.vitacost.com/products/thorne-whey-protein-isolate-vanilla-14-packets-0-98-oz-27-9-g-each-150565
Thorne.com page (SP110) confirms 1 scoop, 30 servings, sodium 105 mg, whey protein isolate, ingredients (xanthan gum, alkalized cocoa, CMC gum, evaporated cane juice sugar, chocolate flavor, Reb A), bromelain+papain blend (30 mg, listed as proprietary blend), NSF Certified for Sport, Gluten Free/Soy Free, milk allergen, $65 for 30 scoops; it does not give scoop grams or calories/macros. Serving grams, calories, fat, carbs, sugars (2 g total, 1 g added), protein 21 g from Vitacost reproduction of the 906 g tub label. Thorne headline also states 21 g protein (25 g whey protein isolate ingredient weight). Vanilla packet label shows 3 g sugar and 75 mg sodium. Country of origin not confirmed.
Good to know
Last checked 2026-10-13. Labels change, so check the package before buying if you have allergies. If you are pregnant, nursing or buying for a child, ask your doctor before adding a supplement.