BioStacks
Best for
Ingredients (2)
D-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 (5)
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
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
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Take it between meals, away from food.
On an empty stomach
On the label
Take 1 capsule once or twice daily, preferably between meals or as recommended by a nutritionally-informed physician.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$21.59
Near the median of 101 ALA supplements
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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.