BioStacks
Source Naturals

Mega Strength Beta Sitosterol, 375 mg

1 Tablet × 3/day · 120 servings · $0.13/serving

iHerbAmazon

Ingredients (4)

beta-Sitosterol

100%

Dose/day

1125 mg

Target

800–3000 mg

Form

—

Campesterol

70%

Dose/day

561 mg

Target

800–3000 mg

Form

—

Stigmasterol

49%

Dose/day

393 mg

Target

800–3000 mg

Form

—

Calcium

32 mg

Trace amount — not scored

Other Ingredients (7)

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

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

Hydroxypropyl CelluloseBinder

An inert modified-cellulose polymer used as a binder, film-former, and disintegrant.

Microcrystalline CelluloseBinder

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

Microcrystalline CelluloseBinder

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

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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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.

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