BioStacks
Best for
Ingredients (5)
Black Pepper Extract
100%Dose
5 mg
Target
5–20 mg
Form
—
Maca Extract
67%Dose
1000 mg
Target
1500–3000 mg
Form
—
Korean Red Ginseng Extract
13%Dose
25 mg
Target
200–400 mg
Form
—
Ashwagandha Extract
17%Dose
50 mg
Target
300–600 mg
Form
Budget
Tongkat Ali Extract
10%Dose
20 mg
Target
200–400 mg
Form
—
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.
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
How to Take It
Best taken in the evening
Often taken in the evening for sleep and cortisol; take with food to avoid stomach upset.
With food
On the label
Take 3 vegetarian capsules daily, or as directed by a healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$13.99
Cheaper than 70% of 50 maca root supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.