BioStacks
Swanson

St. John's Wort Extract

1 Capsule · 120 servings · $0.06/serving

18 / 100Very Poor

Score Breakdown

Formulation
18
Safety
100
Final score
18/100

Ingredients (1)

St. John's Wort standardized extract300 mg

50% of effective dose

Other Ingredients

Fillers, coatings, and additives

3Safe

Calcium CarbonateBuffer

Safe

GelatinCapsule

Safe

Microcrystalline CelluloseBinder

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.