BioStacks
Best for
Ingredients (9)
Caffeine
100%Dose
100 mg
Target
100–400 mg
Form
—
Chinese Red Ginseng
100%Dose
250 mg
Target
200–400 mg
Form
—
Gotu Kola
100%Dose
300 mg
Target
250–750 mg
Form
—
Guarana
100%Dose
400 mg
Target
50–500 mg
Form
—
Vitamin B-12
80%Dose
200 mcg
Target
250–5000 mcg
Form
Budget
Other Ingredients (4)
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.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Best taken in the morning
Contains Caffeine, which is stimulating — keep it to the morning. Green Tea Leaf Extract is easier on the stomach taken with food.
With food
Keep it away from iron-rich meals
Space it a couple of hours from Iron
On the label
For adults, take one (1) quick release capsule up to four times daily, preferably with meals. Do not exceed two (2) quick release capsules more often than every four hours.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$9.99
Cheaper than 92% of 50 korean ginseng 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.