BioStacks
Best for
Ingredients (5)
Naturally sourced Caffeine
100%Dose
100 mg
Target
100–400 mg
Form
—
L-Theanine
100%Dose
160 mg
Target
100–250 mg
Form
—
Rhodiola rosea root extract
69%Dose
100 mg
Target
144–400 mg
Form
Standard
Green Tea leaf (Camellia sinensis) extract
Amount not found
Green Coffee bean (Coffea arabica and Coffea canephora) extract
Amount not found
Other Ingredients (2)
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.
HypromelloseCapsule
Plant-derived capsule material from cellulose
How to Take It
Best taken in the morning
Contains Caffeine, which is stimulating — keep it to the morning. Take it between meals, away from food.
On an empty stomach
On the label
As a dietary supplement, take two veggie capsules up to three times per day with water. Do not exceed recommended dosage.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$12.77
Cheaper than 95% of 55 rhodiola rosea 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.