howtosupplement
Weight/Heart/Inflammation

Green Tea Extract

Concentrated EGCG catechin extract studied for modest weight loss, blood pressure, and cholesterol support in adults with metabolic risk.

Green Tea Extract

Green Tea Extract

50
score
B
evidence
Caution
risk
Quick Take

Small metabolic benefits at best; liver safety concerns at higher doses mean it is not a first-line choice.

Green tea extract is a concentrated supplement made from Camellia sinensis leaves, rich in catechins such as EGCG; brewed green tea and matcha are the natural food sources. EGCG may modestly increase energy expenditure and fat oxidation, and it may also improve body weight, LDL cholesterol, blood pressure, triglycerides, and some inflammatory markers. The people most likely to notice benefit are adults with excess body weight or mild cardiometabolic risk who do not drink much green tea.

Proven Benefits

01
Supports modest weight loss
02
Lowers LDL cholesterol
03
Lowers blood pressure
04
May lower triglycerides
05
May improve fasting glucose
06
May improve endothelial function
07
May reduce CRP

Protocol

Amount
300-500 mg EGCG
Frequency
Once daily
When
With meals to reduce liver injury risk and improve absorption; avoid taking on an empty stomach.

Onset Time

4-12 weeks for weight and metabolic markers; acute fat oxidation within hours

Who Should Consider

Adults with mild metabolic syndrome
People seeking modest weight management help
Adults with elevated LDL or blood pressure
People who rarely drink green tea

How It Works

EGCG and related catechins inhibit catechol-O-methyltransferase, which helps prolong norepinephrine signaling and can increase thermogenesis and fat oxidation. They also modulate cellular signaling involved in insulin sensitivity, oxidative stress, and endothelial function.

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