AMP Pure Isolate
GNC AMP AMP Pure Isolate is a whey isolate protein powder with 25 g of protein per About 1 scoop (29.7 g). It scores 52/100 on the TBPP Quality Score. It is Informed Choice.
Nutrition per serving
Vanilla Custard flavor, from the label.
| Serving size | About 1 scoop (29.7 g) |
|---|---|
| Protein | 25 g |
| Calories | Not verified |
| Carbohydrates | Not verified |
| Sugar | 0 g |
| Fat | Not verified |
| Sodium | Not verified |
| Protein by weight | Not verified |
| Leucine | Not verified |
| BCAAs | Not verified |
How it scored
52 of 100 points. How we score
| Criterion | Points | Why |
|---|---|---|
| Protein density | 0 / 30 | Protein % by weight not verified |
| Third-party testing | 15 / 25 | Independently tested for contaminants or label accuracy |
| Label transparency | 20 / 20 | Fully disclosed formula, no amino spiking |
| Sugar | 10 / 10 | 0 g sugar per serving |
| Ingredient simplicity | 6 / 10 | Mix of natural and artificial flavors or sweeteners |
| Verified label data | 1 / 5 | 2 of 7 label values verified |
Formula and label
| Type | Whey Isolate |
|---|---|
| Protein sources | Whey Protein Isolate |
| Third-party testing | Informed Choice |
| Sweeteners | Sucralose |
| Proprietary blend | No |
| Added free amino acids | No |
| Dietary | Gluten-Free |
| Allergens | Milk |
| Made by | GNC AMP (GNC Holdings) |
| Sold at | GNC, Walmart, Target |
Price
$64.99–$129.99 for 58 servings. About $1.12 per serving, or $1.12 per 25 g of protein.
Sizes: 22 servings, 28 servings, 58 servings, 70 servings
Flavors (7)
- Vanilla Custard
- Cookies & Cream
- Chocolate Peanut Butter Cup
- Chocolate Frosting
- Chocolate Lava Cake
- Strawberry
- Banana Cream
Sources
- https://www.gnc.com/whey-protein/739969.html
- https://www.gnc.com/whey-protein/GNCAMPPureIsolateNew.html
- https://www.gnc.com/whey-protein/414853.html
- https://www.gnc.com/whey-protein/739975.html
- https://www.gnc.com/whey-protein/414850.html
- https://www.gnc.com/whey-protein/414858.html
- https://www.gnc.com/whey-protein/414852.html
- https://choice.wetestyoutrust.com/supplement-search/gnc/amp-pure-isolate
- https://choice.wetestyoutrust.com/certified-products
GNC.com direct fetches were bot-redirected; nutrition from GNC.com Vanilla Custard 58-serving label as reproduced in search-result snippets of gnc.com pages. Ingredients include natural and artificial flavor, sucralose, sunflower lecithin (no soy listed). Gluten-free stated on GNC pages for some flavors. Informed Choice confirmed on certifier site (certified 2017, on Aug-2026 list). Prices from GNC listings of varying age; may be stale. country_of_origin not verified. Retailers Walmart/Target from task brief, not independently verified. VERIFIER 2026-10-14: third-party nutrition databases (eatthismuch, fatsecret) list Vanilla Custard as 1 scoop 32 g, 120 kcal, 3 g carbs, 0.5 g fat, 85-100 mg sodium, conflicting with the 29.7 g/110 kcal/2 g/0 g/135 mg values; GNC label could not be re-fetched (bot redirect), so conflicting fields set to null. Protein 25 g agrees across sources.
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.