Doctor King & Company | Best Quality Organic Japanese Matcha Green Tea

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Doctor King & Company | Best Quality Organic Japanese Matcha Green Tea

Welcome to Doctor King & Company Limited, London.



Dr. King explains why Finest (GRADE A) Ceremonial Grade ORGANIC JAPANESE MATCHA green tea is the best of all teas:

  • Organic Japanese Matcha is RECOMMENDED by Doctors and Nutritionists.
  • Organic Japanese Matcha is an excellent SUPERFOOD which is very HEALTHY. It has a high density of antioxidants. Research by Food Chemists at the University of Colorado showed that one gram of JAPANESE MATCHA contains 137 times the EGCG (epigallocatechin-3-gallate) antioxidants of a teabag of Starbucks China Green Tips green tea (Weiss et al., 2003). EGCG is the most powerful antioxidant in green tea. EGCG has 100 times the antioxidant power of Vitamin C (Mitscher et al., 1997). ANTIOXIDANTS are very important in helping to PROTECT the cells, DNA and other molecules inside your body from damage by free radicals. Free radicals are one of the important causes of many common diseases (including stroke, heart disease (and subsequent heart attacks) and injurious malignant tumours i.e. cancers). Matcha green tea also contains far more antioxidants than regular white tea or regular black tea. White tea (tea that is actually pale yellow in colour) is partially oxidised green tea. Black tea (tea that is actually dark brown in colour) is fully oxidised green tea. Oxidation refers to a process involving enzymes and oxygen that results in the yellowing/browning of green tea leaves. Research has shown that oxidation significantly reduces the amount of EGCG antioxidants in tea. Therefore, Japanese matcha green tea is the best of all teas in terms of the important protective antioxidants. That is one big reason why we recommend Japanese matcha! Other reasons are explained below.
  • Doctor King® Finest Ceremonial Grade Organic Japanese Matcha Green Tea is 100% Ceremonial GRADE A FIRST HARVEST matcha, which is the finest quality. Ceremonial GRADE A first harvest matcha green tea has been shown to contain more chlorophyll and L-theanine than other grades of matcha. It also contains far more chlorophyll and L-theanine than regular green tea or white tea or black tea. Chlorophyll is important for natural and effective detoxification (detox). L-theanine is an amino acid that has gentle positive effects on the body: L-theanine gently increases concentration, calms the mind and relaxes the body. The beauty of L-theanine is that it does all that without causing anxiety, palpitations, headaches, jitters, or caffeine spike and crash, which are negative effects that have been reported by some coffee drinkers. So, if you have not done so already, why not replace one cup of coffee a day with one cup of matcha green tea?
  • Our matcha is Certified ORGANIC by the Soil Association, Japan Organic & Natural Foods Association (JONA) and the United States Department of Agriculture (USDA). Organic plants are carefully grown without using harmful chemicals (e.g. pesticides and chemical fertilizers). That is one reason why organic is best. Other reasons are explained below.
  • One reason we advocate Japanese matcha is that research showed that Chinese matcha frequently contains high levels of lead. This is explained in more detail below.
  • Unlike some other brands, Doctor King® matcha has actually been LABORATORY-TESTED for pesticides, lead and radiation. Doctor King® matcha has been tested at Eurofins laboratories and Shin Nihon Kentei Kyokai laboratory in Japan. The results showed that pesticides are not present in Doctor King® matcha. Also, the results stated that lead and radiation were not detected in Doctor King® matcha.
  • Unlike some other brands, Doctor King® matcha is FRESHLY-MADE in Japan every month or so and is foil-packed for extra freshness.
  • The matcha is transported from Japan to the United Kingdom and to the United States of America by EXPRESS air freight (not slow shipping freight) to ensure that the matcha that reaches our customers is fresher. The fresher the matcha the better.
  • Our products are RECOMMENDED by customers.
  • The products are dispatched from centres all over the world to ensure efficient delivery to our customers.
  • So, if you want MATCHA AT ITS BEST, you have come to the right place.


For information about matcha and the different GRADES of matcha, click on the button below:


For more information about the health benefits of Organic Japanese Matcha, why you ought to buy ORGANIC matcha (and organic food where feasible) and why you ought to buy JAPANESE matcha rather than Chinese matcha, click on the button below:



Japanese "Matcha contains 137 times more antioxidants than regular green tea" (The Daily Telegraph, June 2013)


Japanese Matcha is "the NEXT BIG THING, and to consumers hungry for ways of getting healthy without doing anything too radical, it fits the bill" (The Independent, November 2013)


"Organic food has more of the antioxidant compounds linked to better health than regular (non-organic) food, and lower levels of toxic metals and pesticides, according to THE MOST COMPREHENSIVE SCIENTIFIC ANALYSIS TO DATE"..."Switching to organic fruit and vegetables could give the same benefit as adding one or two portions of the recommended 'five a day'."...."There are statistically significant, meaningful differences, with a range of antioxidants being substantially higher - between 19 and 69% - in organic food." (The Guardian, July 2014)


Organic is "one of the BEST choices that we can make for the health of our families" (Time Magazine, June 2014).


Japanese Matcha is one of "five healthy foods that will make their mark on 2016" (The Washington Post, January 2016)


"Gwyneth Paltrow and more stars warming up to matcha"

After a visit to NYC's Chalait (a trendy matcha bar in New York), Gwyneth Paltrow posted an Instagram with the message "New dreamy discovery to warm up a wintry day…" (Hello! Magazine, December 2015)


Japanese matcha "will be 2016's BIGGEST SUPERFOOD (and Kylie Jenner and Gwyneth Paltrow are fans)" (Daily Mail Online, January 2016)