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Best Protein Powder

GNC AMP

AMP Wheybolic (Original, 2026 formula)

GNC AMP AMP Wheybolic (Original, 2026 formula) is a whey blend protein powder with 50 g of protein per 2 scoops. It scores 39/100 on the TBPP Quality Score. It is Informed Choice and Informed Protein.

Informed ChoiceInformed ProteinAdded amino acids
Our score
39/100
Methodology v1.0
Protein
50g
2 scoops
Sugar
2g
Per serving
Protein by weight
—
Price
—
Not verified

Nutrition per serving

Chocolate Fudge flavor, from the label.

Nutrition per serving
Serving size2 scoops
Protein50 g
Calories240
Carbohydrates5 g
Sugar2 g
Fat1.5 g
SodiumNot verified
Protein by weightNot verified
Leucine6.2 g
BCAAsNot verified

How it scored

39 of 100 points. How we score

CriterionPointsWhy
Protein density0 / 30Protein % by weight not verified
Third-party testing15 / 25Independently tested for contaminants or label accuracy
Label transparency10 / 20adds free amino acids that inflate the protein number
Sugar10 / 102 g sugar per serving
Ingredient simplicity0 / 10Flavor system not verified
Verified label data4 / 55 of 7 label values verified

Formula and label

Formula and label
TypeWhey Blend
Protein sourcesWhey Protein Isolate, Whey Protein Concentrate
Third-party testingInformed Choice, Informed Protein
SweetenersNot verified
Proprietary blendNo
Added free amino acidsYes
DietaryNone listed
AllergensMilk
Made byGNC AMP (GNC Holdings)
Sold atGNC

Price

We could not verify a current U.S. price.

Sizes: 13 servings, 26 servings, 52 servings

Flavors (4)

  • Chocolate Fudge
  • Classic Vanilla
  • Strawberries & Cream
  • Cookies & Cream

Sources

GNC.com is bot-protected (PerimeterX); nutrition taken from search-indexed text of GNC's own Chocolate Fudge 52-serving label (450061): 2 scoops 64.7 g, 240 kcal, 1.5 g fat, 230 mg sodium, 5 g carbs, 2 g sugar, 50 g protein; consistent with Stack3d. Protein sources and 6.2 g leucine per GNC press release. Informed Choice 'AMP Wheybolic' (certified 2017-06-07, North America) via search-indexed certifier page. Flavor system and soy allergen not verified. Price null: press release states $49.99 but Stack3d reports $89.99 and sizes are unspecified. Brand-level flavor list in press release is broader (Strawberry, Fruity Cereal, Banana, Natural Chocolate, Natural Vanilla, Peanut Butter) but per-formula mapping unconfirmed. | Verifier 2026-10-14: GNC.com and gnc newsroom unreachable (bot protection); protein 50 g, 240 kcal, 5 g carbs, 2 g sugar, 1.5 g fat re-confirmed via Stack3d (2 scoops); 6.2 g leucine, whey isolate + whey protein, Informed Choice and Informed Protein confirmed via GNC press release on PR Newswire. Serving weight (64.7 g), sodium and sweeteners could not be independently re-confirmed, so set to null (protein_pct_by_weight nulled as it depended on serving weight).

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.

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Sugar
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Sugar
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