BioStacks
Best for
Ingredients (4)
Acetyl-Glutathione
100%Dose
300 mg
Target
250–1000 mg
Form
—
Vitamin E
60%Dose
30 mg
Target
50–268 mg
Form
Not listed
Vitamin C
40%Dose
10 mg
Target
25–500 mg
Form
Standard
Magnesium
2 mgTrace amount — not scored
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Take it anytime
Fat-soluble — take with a meal containing fat for better absorption. Time of day doesn't matter.
With a meal containing fat
On the label
Take 1 capsule per day, or as recommended by your healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$51.97
Pricier than 93% of 544 vitamin C 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.