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Green Tea Supplements, Drinks, and Brewable Teas Review

Green Tea Review: Supplements, Brewable, Matcha, and Bottled

Our tests identified the best green tea supplements, brewable teas, matchas, and bottled teas. See the top picks based on EGCG, polyphenols, caffeine, purity, taste, and cost. Also get the clinical evidence for green tea for heart health, weight loss, memory and cognition and learn about side effects.

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Encyclopedia Articles Found: (Articles do not mention brands)
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1.Green Tea
2.Black Tea
3.Observational study
4.Green Coffee Bean Extract
6.Functional Foods Index
8.Red Tea
9.Herbs & Supplements
10.Cancer Prevention (Reducing the Risk)
... More Results Answers to Questions Found:
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1.Can green tea help prevent the flu?
2.Is it true that green tea can interact with blood-thinning medications like warfarin (Coumadin) or clopidogrel (Plavix)?
3.It is okay to add milk to green tea?
4.Does microwaving green tea affect the amount of EGCG or other catechins in the tea?
5.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?
6.Is green tea from Japan contaminated with radiation?
7.Can I take cholesterol-lowering statin medication with green tea?
8.How does white tea compare to green tea and black tea in terms of antioxidant catechins? How about caffeine levels and lead contamination?
9.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?
10.Which bottled green teas have the most EGCG?
11.Should I worry about getting too much fluoride from drinking tea?
12.Does Gynostemma pentaphyllum really work as an AMPK activator and help for diabetes?
13.Have you evaluated a multivitamin by Vita Logic called Daily Extra?
14.How significant are the risks to drinking tea from China from heavy metals?
15.Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns?
16.I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug?
17.Is there a risk of liver toxicity with certain supplements?
18.Is it best to take probiotic supplements with or without food? It seems like everyone has a different recommendation.  (in Comments)
19.When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?
20.Do any supplements help with gum disease or periodontitis?
21.What is Protandim and does it really work?
22.Do any supplements help for flu?  (in Comments)
23.I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?
24.Can supplements help me lose weight?
25.How much caffeine is really in dark chocolate bars?
26.I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true?
27.Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs?
28.Do any supplements really help with brain function, like memory and cognition?
29.Which supplements should be taken with food?
30.Do any supplements help relieve stress?
31.What is PQQ? Does it help with aging and memory? Is it similar to CoQ10?
32.Which supplements help reduce the risk of colorectal cancer?
33.Are there any supplements I should avoid when taking acetaminophen (Tylenol)?
34.Are there vitamins or supplements that can reduce my risk of breast cancer?
35.I've heard that grapefruit juice can interact with medications because it inhibits an enzyme that breaks down drugs in the body. Do any supplements interact the same way with drugs?
36.Is Modified Citrus Pectin (MCP) helpful for prostate or breast cancer?
37.Which dietary supplements and health foods contain high levels of lead?
38.Which supplements can help me sleep?
39.Can white kidney bean extract really help me lose weight?
40.What are the best supplements for depression and anxiety?
41.What is Brain Bright and can it really improve memory or cognition?
42.Which supplements reduce the risk of stroke? Which increase the risk of stroke?
43.With herbal supplements, what is the difference between root powder and root extract? Does it matter?
44.How much should I expect to pay for supplements? Are higher-priced supplements any better than low-priced brands?

Clinical Updates Found:
2019 Green Tea & Stroke (11/12/2019)
 L-Theanine for Sleep and Cognition? (10/05/2019)
 Microplastics in Tea (10/01/2019)
 Does Green Tea Prevent Cognitive Decline? (09/24/2019)
 Green Tea and Blood Sugar (08/17/2019)
 No Ginseng In Ginseng Tea? (04/27/2019)
 Green Tea and Breast Cancer (04/02/2019)
 Green Tea for Lowering Blood Pressure (03/30/2019)
 Hot Tea & Cancer (03/20/2019)
 Getting the Most from Green Tea (01/30/2019)
2018 Cleaner Green Tea (10/27/2018)
 A Caution With Green Tea (10/16/2018)
 Green Tea as a Prebiotic (07/20/2018)
 Avoiding Green Tea Toxicity (04/24/2018)
 Green Tea and Ovarian Cancer (03/27/2018)
 Statins and Green Tea (03/07/2018)
 Matcha Green Tea for Memory & Cognition? (02/27/2018)
2017 How Hot Should Green Tea Be? (11/25/2017)
 How Much Tea Is Safe? (11/14/2017)
 Green Tea & Prostate Cancer (10/06/2017)
 Tea Drinking Associated with Less Cognitive Decline (03/18/2017)
 Colon Polyps and Green Tea (02/07/2017)
2016 Lower Risk of Death With Green Tea (07/06/2016)
 Green Tea & Cognition (06/18/2016)
 Don't Take Green Tea With Iron? (03/16/2016)
2015 Are Green Tea Pills Safe? (08/25/2015)
 Green Tea May Inhibit Starch Absorption (08/09/2015)
 Green Tea for Weight Management? (07/11/2015)
 Green Tea for Weight Control? (06/03/2015)
 Green Tea Extract and Prostate Cancer (04/22/2015)
 Another Use for Green Tea? (01/16/2015)
2014 Green Tea and Liver Toxicity (06/20/2014)
 Does Green Tea Really Help With Weight? (06/18/2014)
 Does Green Tea Improve Memory? (04/13/2014)
 Green Tea "Blocks" Beta-Blocker (01/18/2014)
2013 Liver Toxicity with Supplements, Including Green Tea (12/23/2013)
 Green Tea to Treat Fibroids (09/28/2013)
 Don't Drink Too Much Tea! (06/02/2013)
2011 Green Tea Extract and Weight Loss (09/25/2011)

Recalls and Warnings Found:
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1.Mislabeled Green Tea Supplement Recalled (07/15/2019)
2.Supplements Promoted for Alzheimer's Disease and Dementia Sell "False Hope," Warns FDA (02/13/2019)
3.Another Green Tea Study Retracted (01/18/2019)
4.FDA Warns Seller of Weight Control Patches (06/19/2018)
5.Traditional Medicinals "Throat Coat" Lemon Echinacea Herbal Tea Recalled in Canada (04/24/2018)
6.Lithium Supplement Contaminated With E. Coli, Health Canada Warns (01/10/2018)
7.Health Canada Calls for Stronger Warnings of Liver Risk on Green Tea Extract Products (11/21/2017)
8.Weight Loss and Cleanse Supplements Contain Adulterated and Improperly Labeled Ingredients, FDA Warns (11/12/2017)
9.Herbal Teas Recalled Due To Botulism Risk (05/06/2017)
10.Seller of Tea Supplements Warned for Manufacturing Violations (02/28/2017)
11.Case of Hemorrhagic Stroke Linked to Redline Energy Drink (12/13/2016)
12.Liver Injuries Linked With Dietary Supplement Use on the Rise (11/04/2016)
13.Some Supplements May Cause or Exacerbate Heart Failure (Includes vitamin E and many herbs) (08/06/2016)
14.The Republic of Tea Recalls Turmeric/Ginger Teas Due to Salmonella Risk (05/02/2016)
15.Tea Recalled Due to Salmonella Risk (03/15/2016)
16.Green Tea from Tea Bags Linked to Acute Hepatitis (11/04/2015)
17.Herbal Extracts Recalled (09/16/2015)
18.Seller of Tea Warned for Drug Claims (03/17/2015)
19.Seller of Tea Drinks Warned for Drug Claims (03/06/2015)
20.Seller of Cholesterol, Arthritis Supplements and More Warned for Drug Claims (11/06/2014)
21.Seller of Prostate, Heart Supplements and More Warned for Drug Claims (11/06/2014)
22.Seller of Green Tea, Prostate, Pain Supplements and More Warned for Manufacturing Violations and Drug Claims (10/03/2014)
23.Maker of Joint and Weight Products Warned for Hidden Drugs, Manufacturing Violations (09/23/2014)
24.Marketer Banned From Selling Weight Loss Products (09/13/2014)
25.Marketers of Memory Supplement Settle FTC Charges of Deceptive Claims (06/12/2014)
26."Stem Cell" Supplement Recalled Due to Allergen Risk (01/21/2014)
27.Seller of Tea Supplements and Drinks Warned For Manufacturing Violations and Drug Claims (01/16/2014)
28.Weight Loss Supplement Claims Challenged (12/06/2013)
29."Diuretic" Weight Loss Supplement Recalled (11/30/2013)
30.Company Warned For Distributing Weight Loss Supplement Containing DMAA, Drug Claims (09/27/2013)
31.Tea and Papaya Supplement Company Warned For Drug Claims (08/28/2013)
32.Seller of Vitamin, Tea and MSM Supplements Warned For Drug Claims (08/21/2013)
33.Weight Loss Supplement Formulas For Men and Women Recalled Due To Undeclared Drugs (08/20/2013)
34.Fat Loss and Muscle Enhancement Supplements Found To Contain DMAA (08/01/2013)
35.Seller of Vision Supplement Warned For Drug Claims (07/05/2013)
36.Brewable Tea and Tea Supplement Company Warned For Manufacturing Violations and Drug Claims (05/24/2013)
37.Seller of Immune, Cholesterol, Liver and Blood Sugar Products Warned For Drug Claims (04/26/2013)
38.FDA Warns Consumers Of Weight Loss Supplement Containing Undeclared Drug (04/04/2013)
39.Probiotic Recalled Due To Undeclared Soy (03/21/2013)
40.Maker of Liquid Supplements Warned For Manufacturing Violations and Drug Claims (03/15/2013)
41.Maker of Liquid Omega-3 Supplements Warned For Manufacturing Violations (02/28/2013)
42.Weight Loss Supplement Recalled Due To Undeclared Drug (02/25/2013)
43.FDA and FTC Warn: Supplements Cannot Prevent, Treat Or Cure Cold And Flu (02/21/2013)
44.Energy Drink Recalled Due To Bacterial Contamination (02/15/2013)
45.Maker of Antioxidant and Anti-Aging Supplements Warned For Manufacturing Violations (02/14/2013)
46.FDA Warns Maker of Weight Loss and Whey Protein Supplements For Manufacturing Violations and Misbranding (02/13/2013)
47.Food for Health Warned for Manufacturing Violations and Drug Claims on Supplements (01/24/2013)
48.Consumers May Be Eligible For Cold, Allergy and Weight Loss Supplement Refunds (01/11/2013)
49.FDA Warns Aloe and Herbal Supplement Companies For Manufacturing Violations (01/10/2013)
50.Antioxidant Protandim Supplement Recalled Due To Risk of Metal Fragments (12/07/2012)
51.Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims (10/24/2012)
52.FDA Seizes Many Supplements from New York Company Due To Drug Claims (10/24/2012)
53.Maker of Omega-3, Bone and Brain and Supplements Warned For Drug Claims (09/10/2012)
54.Energy, Fat Loss Supplement Recalled For Ephedrine Alkaloids (08/31/2012)
55.Alistrol Health Inc. Warned Over Health Claims on Products (07/13/2012)
56.Seller of Cancer Cures Warned by FDA (03/03/2012)
57.FDA Warns XYMOGEN of Manufacturing and Labeling Violations Regarding Multiple Products (01/02/2012)
58.Maker of Hoodia and Green Tea Products to Pay $2.65 Million Settlement for Unfair Business Practices (02/07/2011)
59.Warning Labels to be Required for Green Tea and Black Cohosh Products (06/27/2007)
60.Sellers of Popular Weight Loss Supplements Pay $25 Million Over FTC Allegations of Deceptive Advertising (01/04/2007)
61.FTC Settles Claims with Marketers of FiberThin and Propolene (06/21/2005)
62.Recall Update for Certain Metabolife Bars - Excessive Vitamin A (01/31/2002)

News Releases Found:
2018 Big Differences Found Among Green Teas -- ConsumerLab Tests Identify Best Green Tea in Bags, Matcha, Supplements, and Bottles -- (05/10/2018)
 Best Probiotic Supplements and Kombuchas? -- ConsumerLab Tests 41 Popular Products, Reveals Problems and Top Picks (05/02/2018)
 Magnesium, Curcumin, and Apple Cider Vinegar Rise in Popularity, While Probiotics Dip and Calcium Continues to Decline in Latest Survey of Supplement Users (02/24/2018)
2017 Vitamin D Supplements Maintain Top Spot in Popularity, as Probiotics Surpass Multivitamins to #4 Behind Fish Oil and CoQ10 in Latest Survey (02/24/2017)
2016 36% of Meal Replacement Powders and Shakes Fail's Tests of Quality (07/26/2016)
2015 Is Matcha a Better Form of Green Tea? Answers the Question (10/14/2015) Shows Chinese Consumers What's Really in Foods and Supplements -- U.S. Testing Company Expands to China, Launches (03/05/2015)
2014 Which Weight Loss Supplements Are Best? Reviews the Evidence and Tests the Quality of Popular Products (07/07/2014)
2013 Green Teas Vary in Strength and Amount of Lead Contamination, According to (05/21/2013)
2012 Tests Reveal What's Really In Green Tea Supplements and Bottled Drinks (12/21/2012)
 Fish oil and multivitamins most popular supplements in survey -- Internet most popular place to shop (02/05/2012)
2011 Vitamin D use increased 52% in past two years according to survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements (01/31/2011)
2010 finds carcinogenic form of chromium in supplements, including those for weight loss -- Reviews published of supplements containing chromium, green tea, 7-keto DHEA and stimulant formulas (03/02/2010) finds quality of most CLA supplements for slimming to be high; One brand mislabeled -- Report is first published in series on supplements for weight loss and slimming (01/20/2010)
2009 40% of Green Tea and Selenium Products Fail Review of Cancer-Prevention Supplements; Lycopene Supplements Pass (04/28/2009) Warns of Problems with Multivitamins and Vitamin Water -- Defects Found in Over 30% of Supplements Selected for Testing; Several Popular Children's Multis Exceed Tolerable Limits (03/31/2009)
2006 tests cancer-prevention supplements; several contaminated with lead or low in ingredient
— Report available for green tea, selenium, and lycopene supplements
(04/26/2006) reports on 29 popular melatonin sleep supplements (03/29/2006) reports on supplements for bone health containing calcium and vitamin D— Results posted for 32 supplements for adults and children; One found contaminated with lead (03/13/2006)
 Sexual enhancement supplements analyzed by (01/25/2006)
2005 Testing by identifies many problems with popular supplements for weight loss, slimming, and blood sugar control (11/15/2005)


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