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Product Review: Green Tea Supplements, Drinks, Brewable Teas, and Matcha Review

Initial Posting: 12/21/12  Last Update: 3/27/18
What's Really In Green Tea Supplements, Brewable Teas,  and Bottled Drinks?

Find Out in the New Report!

Green Tea Supplements, Drinks, and Brewable Teas Review
Green tea supplements, brewable teas, matcha, and bottled drinks reviewed in report
Andrew Lessman's Green Tea EGCG-200 Harney & Sons Organic Green Rishi Teahouse Matcha
Arizona Green Tea -- Ginseng & Honey Healthy Origins Teavigo Salada Green Tea Naturally Decaffeinated
Bigelow Green Tea Honest Tea Green Tea with Honey Solgar Green Tea Leaf Extract
Bigelow Green Tea-Certified 100% Organic Kirkland Signature Green Tea Swanson Superior Herbs Green Tea Extract
Bigelow Green Tea-Naturally Decaffeinated Life Extension Mega Green Tea Extract Teavana Green Tea Gyokuro Imperial
Celestial Seasonings Green Tea (K-Cup) Lipton Green Tea Teavana Imperial Matcha
Diet Snapple Green Tea Nature's Bounty Green Tea Extract The Republic Tea Double Green Matcha Tea
DoMatcha New Chapter Green & White Tea Force Trunature (Costco) Green Tea
Encha Organic Matcha NOW EGCg Green Tea Extract Vitamin Shoppe Green Tea Extract
Enzymatic Therapy Green Tea Elite with EGCG Omega Sports Green Tea Vitamin World Green Tea
Gaia Herbs Green Tea Puritan's Pride Green Tea  
Make sure the green tea supplement, brewable tea, matcha, or drink passed our tests and is right for you!

Isn't your health worth it?
What's the best way to get green tea? Is it from supplements, or by drinking green tea which you brew, prepare from matcha powder, or buy in a bottle? tested the strength and purity of 30 green tea products to help you decide and know what's really in these products.
Green tea supplements may lower the risk of certain types of cancer, shrink uterine fibroids, and aid in weight control, and drinking green tea has been associated with a lower risk of cardiovascular disease, diabetes, as well as a lower risk of some cancers. The apparent active compounds in green tea are EGCG and other catechins. However, amounts of these compounds in green tea supplements, brewable teas, matcha, and bottled drinks can vary enormously. Our tests revealed that green tea supplements provided 22 mg to over 300 mg of EGCG in a suggested daily serving, depending on the brand. Bottled green teas contained just 4 mg to 47 mg of EGCG per cup. Our tests of brewable green tea (from tea bags, loose tea, or a K-Cup) found levels ranging from 25 to 86 mg of EGCG per serving, while matcha products provided 17 mg to 109 mg of EGCG per serving. Three products failed to contain their listed amounts of EGCG or catechins and one product provided fewer servings than promised. found the cost to obtain 200 mg of EGCG from green tea products ranged from as little as $0.10 to more than $70.  Just as striking was that caffeine levels ranged from virtually none in some products to more than 130 mg in a single capsule of a supplement which didn't even mention caffeine on its label. That's 40 mg more caffeine that in a regular cup of coffee!
Our tests of brewable teas also revealed lead contamination in the tea leaves of several products -- although, fortunately, most of this lead stays in the leaves rather than going into the tea.  
It is critical that you choose and use green tea products carefully.
You must be a member to get's test results for green tea supplements, brewable teas, or bottled drinks. In the report, you'll discover:
    • How much EGCG, caffeine, and lead is in each product -- including supplements, bottled drinks, brewable teas and matcha
    • Which green tea supplements passed and which failed quality testing and review  
    • Price comparisons showing how to get a green tea product with EGCG at the lowest cost
    • The amount of EGCG in doses of green tea shown to be effective in preliminary studies for weight control and cancer prevention
    • The number of cups of green tea associated with reduced risk of cardiovascular disease, diabetes, and some cancers  
    • Concerns, cautions, and potential side effects for green tea -- including drug interactions, a warning for women who are pregnant or nursing, and a caution for drinking excessive tea

If you already are a member, SIGN IN now.

Learn More About Which Green Tea Supplements, Drinks, Brewable Teas and Matcha Passed the Test Answers -- for Green Tea Supplements, Drinks, Brewable Teas, and Matcha Review
Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns? Get the answer >>

I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug? Get the answer >>

I recently purchased some matcha green tea powder claiming to contain up to "137 times the EGCG" that is in brewed green tea. However, the label does not state an actual amount of EGCG and the company would not provide me with any analysis. Is the label true? Get the answer >>

Can L-theanine help as a sleep aid? Will be testing these supplements? Get the answer >>

Do any supplements help with gum disease or periodontitis? Get the answer >>

Which supplements can help to lower blood pressure? Get the answer >>

Which bottled green teas have the most EGCG? Get the answer >>

After developing kidney stones, I was told to avoid tea -- but recently I've heard that green tea might actually be helpful for kidney stones. Is that true? Get the answer >>

How significant are the risks to drinking tea from China from heavy metals? Get the answer >>

What is Brain Bright and can it really improve memory or cognition? Get the answer >>

Is it true that green tea can interact with blood-thinning medications like warfarin (Coumadin) or clopidogrel (Plavix)? Get the answer >>

How does white tea compare to green tea and black tea in terms of antioxidant catechins? How about caffeine levels and lead contamination? Get the answer >>

Can I take cholesterol-lowering statin medication with green tea? Get the answer >>

Are there vitamins or supplements that can reduce my risk of breast cancer? Get the answer >>

Can green tea help prevent the flu? Get the answer >>
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