BioStacks
Best for
Ingredients (5)
Green Tea leaves extract
100%Dose
250 mg
Target
200–500 mg
Form
—
Green Tea leaves extract
100%Dose
250 mg
Target
200–500 mg
Form
—
Polyphenols
100%Dose
187.5 mg
Target
100–1000 mg
Form
—
EGCG
63%Dose
125 mg
Target
200–500 mg
Form
—
Polyphenols
35%Dose
35 mg
Target
100–1000 mg
Form
—
Other Ingredients (2)
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
HypromelloseCapsule
Plant-derived capsule material from cellulose
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
As a dietary supplement, take one capsule daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$34.99
Near the median of 67 green tea leaf extract 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.