BioStacks
Nature's Way

St. John's Wort 300 mg

1 Capsule · 90 servings · $0.21/serving

15 / 100Very Poor

Score Breakdown

Formulation
15
Safety
100
Final score
15/100

Ingredients (3)

St. John's Wort extract

50%

Dose

300 mg

Target

600–1200 mg

Form

Not listed

Spirulina

4%

Dose

40 mg

Target

1000–3000 mg

Form

Rosemary

80 mg

Not in our database

Other Ingredients (3)

Magnesium StearateLubricant

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

Microcrystalline CelluloseBinder

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

Capsule ShellCapsule

Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.

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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.