BioStacks
Best for
Ingredients (4)
Selenium
100%Dose
100 mcg
Target
100–200 mcg
Form
Premium
Vitamin C
100%Dose
100 mg
Target
100–500 mg
Form
Standard
L-Ergothioneine
100%Dose
30 mg
Target
5–25 mg
Form
—
L-Glutathione
30%Dose
75 mg
Target
250–1000 mg
Form
Budget
Other Ingredients (5)
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
PhospholipidsCarrier
Naturally occurring phospholipids (primarily phosphatidylcholine) used to form liposomal encapsulation for nutrient delivery
PhospholipidsCarrier
Naturally occurring phospholipids (primarily phosphatidylcholine) used to form liposomal encapsulation for nutrient delivery
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
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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.