BioStacks
GNC

Premier Collagen Powder (Unflavored)

Powder · 10.1 G · 14 servings · $1.43/serving

61 / 100Good

Best for

Score Breakdown

Formulation
59
Safety
100
Final score
61/100

Ingredients (6)

Copper2000 mcg

Optimal dose

Hydrolyzed Bovine CollagenSynergy9 g

Optimal dose · Premium form

Vitamin CSynergy50 mg

Within effective range · Budget form

Biotin15 mcg

2% of effective dose

Zinc5 mg

33% of effective dose · Standard form

Other Ingredients

Fillers, coatings, and additives

2Safe

Silicon DioxideAnti-caking

Safe

Dicalcium PhosphateBinder

Safe

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.