Ingredient Moderate Evidence

Green Tea Extract (EGCG)

Catechins studied for modest increases in fat oxidation and metabolic rate.

Reviewed for medical accuracy · Health Editorial Team
Updated May 2026

Quick answer: This ingredient has moderate evidence — some solid clinical support, though results aren't fully consistent across studies. Catechins studied for modest increases in fat oxidation and metabolic rate.

What Is Green Tea Extract (EGCG)?

Green Tea Extract (EGCG) is most commonly studied and used for weight management. Catechins studied for modest increases in fat oxidation and metabolic rate. The strength of evidence behind it is currently classified as moderate — this ingredient has moderate evidence — some solid clinical support, though results aren't fully consistent across studies.

Which of Our Products Include Green Tea Extract (EGCG)?

Here's where Green Tea Extract (EGCG) shows up in our current formulas:

Trimoryn

Weight Management Formula View Product →

Works Well Combined With

In the Weight Management category, Green Tea Extract (EGCG) is often formulated alongside other ingredients that target the same goal through different mechanisms — which is why you'll frequently see it in a blend rather than sold alone:

  • Glucomannan
  • Caffeine
  • Chromium Picolinate
  • CLA (Conjugated Linoleic Acid)
  • Garcinia Cambogia

Combining ingredients with different, complementary mechanisms is generally more useful than taking several ingredients that all do the same thing — it's worth checking a product's full ingredient list rather than judging it on one "hero" ingredient alone.

A Quick Note on Safety

As with any supplement ingredient, individual response varies, and it's worth checking with a healthcare provider before starting Green Tea Extract (EGCG) if you're pregnant, nursing, taking medication, or managing a health condition. For a full breakdown of dosage and side effects, see the related health goal guide below.

Frequently Asked Questions

Is Green Tea Extract (EGCG) safe to take daily?

At studied doses, most people tolerate it well, though it's always worth checking with a healthcare provider, especially if combined with other supplements or medication.

How is the evidence level determined?

We classify evidence as Strong, Moderate, or Limited based on the quantity, size, and consistency of clinical research specifically studying this ingredient for this use. See our Editorial Policy for details.

Can I take Green Tea Extract (EGCG) on its own instead of a blended formula?

Yes — standalone versions are usually available. A blend simply combines it with complementary ingredients for convenience and broader coverage of the same health goal.