BioStacks
Jarrow Formulas

Trans-Pterostilbene 50 mg

1 Capsule · 60 servings · $0.43/serving

41 / 100Average

Score Breakdown

Formulation
41
Safety
100
Final score
41/100

Ingredients (1)

trans-Pterostilbene

100%

Dose

50 mg

Target

50–250 mg

Form

Other Ingredients (4)

Magnesium StearateLubricant

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

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

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.

Track this supplement in your stack

Get personalized insights, interactions, and coverage recommendations.

Get Started Free

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.