BioStacks
California Gold Nutrition

Stabilized R-Lipoic Acid

1 Capsule · 30 servings · $0.35/serving

46 / 100Average

Best for

Score Breakdown

Formulation
53
Safety
87
Final score
46/100

Ingredients (2)

Biotin

15%

Dose

150 mcg

Target

1000–5000 mcg

Form

R-Lipoic Acid

33%

Dose

100 mg

Target

300–600 mg

Form

Premium

Other Ingredients (6)

Rice ExtractFiller

Rice-based ingredients carry risk of inorganic arsenic contamination. Vague labeling — 'rice extract' does not specify what is extracted or standardized. Used as a cheap filler with no supplemental benefit.

Magnesium StearateLubricant

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

Rice HullsAnti-caking

Ground outer husk of rice grains used as a plant-based flow and anti-caking agent

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Microcrystalline CelluloseBinder

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

HypromelloseCapsule

Plant-derived capsule material from cellulose

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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.