Green Tea Leaf Extract (50% EGCG) Powder



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Supplement Facts & Directions

Supplement Facts

Serving Size: 500 milligrams
Servings Per Container: Varies
Amount Per Serving % Daily Value*
Green Tea (Camellia sinensis) (Leaf) 500 mg
  Standardized to 98% polyphenols
  80% Catechins
  50% EGCG

* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value Not Established
‡ These supplement facts may vary from the product you receive. Please call for exact numbers.

Other Ingredients: None


Free of: Added Sugar, Soy, Dairy, Yeast, Gluten, Corn & Additives.

Directions: As a dietary supplement, take 500 mg (3/16 tsp) up to two times daily or as directed by a physician. An accurate gram weight scale is recommended.

Warning: If you are pregnant, nursing, taking any medications, or have any medical conditions consult your physician before use. DO NOT use more than 1000 mg daily. Not intended for use longer than three months. Prolonged intake of EGCG may cause liver or kidney damage. Keep out of reach of children.

Product Details

What is Green Tea Extract Powder (50% EGCG)?

Green tea extract comes from the Camellia sinensis plant, as does white tea, yellow tea, oolong tea, dark tea, and black tea. Green tea is the least oxidized of the teas and contains the highest levels of Epigallocatechin Gallate (EGCG). EGCG is one of four catechins found in green tea and exerts the most potent effects. Green tea extract owes many of its benefits to its EGCG content. It has antioxidant and anti-inflammatory properties. It also supports heart and brain health and may enhance fat loss. Green tea extract may improve skin health and exercise performance as well.

PureBulk’s Green Tea Extract Powder contains at least 50% EGCG.

Potential Green Tea Extract Benefits

Green Tea Extract is Rich in Antioxidants

Green tea isn’t fermented like black tea, allowing it to retain its polyphenols and catechins like EGCG. Polyphenols and catechins are natural antioxidants that protect the body from free-radical compounds that destroy healthy cells. EGCG also inhibits pro-inflammatory cytokine activities. In clinical studies, polyphenols provided more antioxidant protection than vitamin E or vitamin C. Polyphenols also improve the performance of the body’s own natural antioxidant enzymes, including glutathione, a tripeptide that minimizes inflammation and protects cartilage. EGCG’s antioxidant activity also protects brain cells from oxidative stress and heavy metal activity.

Green Tea Supplements + Heart Health

Green tea extract increases the natural antioxidant potential in the blood. It also reduces LDL cholesterol oxidation by simultaneously settling on LDL cholesterol particles and sequestering adjacent free radicals. It also acts as a vasodilator to expand the arteries for improved blood flow. Researchers theorize this is because green tea catechins enhance nitric oxide’s bioavailability. Green tea catechins also exert significant inhibitory effects against the enzymes that convert squalene into cholesterol.

Green Tea Supplements + Exercise Performance

The antioxidants in green tea reduce oxidative damage and may delay muscle fatigue. One study noted that green tea extract enhanced the body’s antioxidant protection when combined with strength training. Another study showed that green tea extract protected sprinters against oxidative damage during repeated sprint tests. A different clinical trial reported that participants increased their running distance by 10.9% over a four-week period compared to the placebo group.

Green Tea Extract + Weight Loss

Combining green tea extract with caffeine exerts synergistic effects on weight loss. The combined compounds modulate hormones to enhance how many calories the body burns to digest food and generate body heat (thermogenesis). Increasing the body’s innate ability to burn calories may facilitate more weight loss. One study noted that participants burned about 179 calories more over a 24-hour period after taking caffeine and green tea extract. However, these effects are more noticeable in individuals who don’t regularly consume caffeine.

Green Tea Extract and Skin Health

Green tea extract may improve several aspects of skin health. Topically, it helps relieve redness and irritation. It may improve the overall appearance of the skin by helping with acne, moisturization, and skin aging. Multiple studies noted that topical green tea extract reduced inflammation, premature aging, and the loss of skin elasticity. It may reduce the damaging effects of UV rays, too.

Purity and Concentration

PureBulk's Green Tea Extract Powder (50% EGCG) is a pure green tea extract derived from the leaves of Camellia sinensis L. and is assayed to contain:

  • At least 98% polyphenols (at least 80% of these polyphenols are catechins)
  • At least 50% of catechins content is EGCG
  • Only 2% or less of caffeine

PureBulk’s Green Tea Extract Powder contains no fillers, additives, or anti-caking agents.

Mixing and Solubility

Green tea extract 50% (EGCG) is a water-soluble product.

Volumetric Measurements

Note: It is always recommended to verify these measurements with an accurate digital scale.

Warning: The amounts indicated in this table greatly exceed the recommended serving amount.
Measuring Spoon Size CC Miligrams
1 Tablespoon 14.79cc 7704mg
1/2 Tablespoon 7.39cc 3852mg
1 Teaspoon 4.93cc 2568mg
1/2 Teaspoon 2.46cc 1284mg
1/4 Teaspoon 1.23cc 642mg
1/8 Teaspoon 0.62cc 321mg
1/16 Teaspoon 0.31cc 160mg
1/32 Teaspoon 0.15cc 80mg


Green tea is considered likely safe for most adults, according to the National Institute of Health. Alertness, over-stimulation, and insomnia are possible side effects of taking large amounts. A prolonged high intake of EGCG may cause liver or kidney damage.

EGCG may cause neural tube defects if taken during pregnancy. Individuals with serious medical conditions or pregnant or lactating women should not take this supplement. Consult your physician before use.

References & Research

Tested by Accredited 3rd Party Labs

PureBulk's supplements are tested by accredited third party labs in the USA to ensure their identity, purity and potency. To receive a copy of these test results or any other PureBulk supplement please fill out the COA request form found here.

*NOTE: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

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