BioStacks
NOW

Multi Collagen Protein Types I, II & III Unflavored

Powder · 13.1 Grams · 35 servings · $1.14/serving

iHerbAmazon
53 / 100Average

Best for

Skin

Score Breakdown

Formulation
51
Safety
100
Final score
53/100

Ingredients (3)

Collagen, Hydrolyzed

100%

Dose

11 g

Target

5–20 g

Form

Standard

Vitamin C

100%

Dose

100 mg

Target

40–200 mg

Form

Budget

Grape Seed Extract

33%

Dose

50 mg

Target

150–600 mg

Form

—

Other Ingredients

No other ingredients listed

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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.