BioStacks
Nature's Bounty

St. John's Wort 300 mg

1 Capsule · 100 servings · $0.12/serving

15 / 100Very Poor

Score Breakdown

Formulation
15
Safety
100
Final score
15/100

Ingredients (1)

St. John's Wort extract

50%

Dose

300 mg

Target

600–1200 mg

Form

Not listed

Other Ingredients (4)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Dicalcium PhosphateBinder

Calcium and phosphorus compound used as binder

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.