BioStacks
Puritan's Pride

St. John's Wort 300 mg

1 Capsule · 100 servings

iHerbAmazon
15 / 100Very Poor

Best for

Stress & Mood

Score Breakdown

Formulation
15
Safety
100
Final score
15/100

Ingredients (1)

St. John's Wort Aerial Extract300 mg

50% of effective dose · Unspecified form

Other Ingredients

Fillers, coatings, and additives

4Safe

Magnesium StearateLubricant

Safe

Silicon DioxideAnti-caking

Safe

Dicalcium PhosphateBinder

Safe

GelatinCapsule

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.