BioStacks
Ingredients (3)
Green Tea extract
100%Dose
400 mg
Target
200–500 mg
Form
—
decaffeinated Green Tea
25%Dose
50 mg
Target
200–500 mg
Form
—
naturally occurring Caffeine
4%Dose
4 mg
Target
100–400 mg
Form
—
Other Ingredients (3)
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
How to Take It
Best taken in the morning
Contains caffeine — keep it to the morning. Take with food; high-dose EGCG on an empty stomach stresses the liver.
With food
Keep it away from iron-rich meals
Space it a couple of hours from Iron
On the label
Take 1 capsule daily with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$16.97
Near the median of 24 caffeine 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.