BioStacks
GNC

Pycnogenol 100 mg

1 Capsule · 30 servings · $1.23/serving

iHerbAmazon
59 / 100Average

Score Breakdown

Formulation
79
Safety
75
Final score
59/100

Ingredients (1)

Pycnogenol

100%

Dose

100 mg

Target

50–200 mg

Form

—

Other Ingredients (4)

Titanium DioxideColorant

Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Sodium Copper ChlorophyllinColor

Water-soluble semisynthetic chlorophyll derivative used as a green colorant

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

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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.

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