BioStacks
Ingredients (4)
Selenium
100%Dose/day
400 mcg
Target
100–200 mcg
Form
Premium
Alpha-Lipoic Acid
100%Dose/day
400 mg
Target
300–600 mg
Form
Budget
N-Acetyl L-Cysteine
83%Dose/day
500 mg
Target
600–1800 mg
Form
—
Milk Thistle (seed) extract
100%Dose/day
525 mg
Target
150–600 mg
Form
Not listed
Other Ingredients (3)
Bamboo ExtractFiller
Plant-derived silica source used as a natural anti-caking agent and carrier (silica content ~70%)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
HypromelloseCapsule
Plant-derived capsule material from cellulose
Price Check
$31.90
Near the median of 74 NAC 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.