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.



If you are looking to buy authentic BEST QUALITY MATCHA at a REASONABLE PRICE, you've come to the right place. Dr. King MB ChB BSc (Hons.) explains why Doctor King® FINEST CEREMONIAL GRADE ORGANIC JAPANESE MATCHA green tea is the WORLD'S HEALTHIEST TEA:

  • Organic Japanese Matcha is an excellent SUPERFOOD, which is very HEALTHY. It has a high density of antioxidants. Research by experienced Food Chemists at the University of Colorado, USA, showed that one cup of Japanese matcha green tea made with one gram of Japanese matcha contains a phenomenal 137 TIMES the EGCG (epigallocatechin-3-gallate) ANTIOXIDANTS of one cup of green tea made with a teabag of Starbucks China Green Tips green tea (Weiss et al., 2003). EGCG is the most powerful antioxidant in tea. EGCG has 100 times the antioxidant power of Vitamin C (Mitscher et al., 1997). Antioxidants are very important in PROTECTING cells, DNA and other molecules in your body from damage by free radicals. Free radicals are a cause of many diseases (e.g. stroke, heart disease - and subsequent heart attacks - and injurious malignant tumours i.e. cancer). Matcha green tea also contains far more antioxidants than regular white tea and regular black tea. White tea is partially oxidised green tea. Black tea is fully oxidised green tea. Oxidation is the process involving enzymes and oxygen that results in 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 healthy 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 matcha, which is the finest quality. It is the KING OF GREEN TEAS. It could well be the world's finest green tea. Research has shown that Grade A ceremonial matcha picked in the first harvest contains more chlorophyll and L-theanine than any other grade of matcha (e.g. mid-grade or culinary grade matcha) and any other tea. Chlorophyll is important for natural and effective detoxification (detox). L-theanine is a special amino acid that has gentle positive effects on the body: it gently increases concentration, calms the mind and relaxes the body without causing anxiety, palpitations, headache, jitters, caffeine spike and crash, and sleep disturbance, which are negative effects that have been reported by some regular coffee-drinkers. So, if you have not done so already, why not try replacing one cup of coffee with one cup of matcha green tea every day?
  • Our matcha is certified ORGANIC by 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's one reason why we recommend organic. Other reasons are explained below.
  • We sell only JAPANESE matcha. We advocate Japanese matcha because good American research showed that Chinese matcha frequently contains high levels of lead. This is discussed in more detail below.
  • Unlike some other brands, Doctor King® matcha has actually been LABORATORY-TESTED at Eurofins laboratories (Berlin, Germany) and Shin Nihon Kentei Kyokai laboratory in Japan. The results showed that pesticides are not present in Doctor King® matcha. Also, lead and radiation were "not detected" in Doctor King® matcha.
  • Unlike some other brands, our matcha is FRESHLY MADE in Japan in small batches 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 sea freight) to ensure that the matcha that reaches our customers is fresher. The fresher the matcha the better.
  • Organic Japanese Matcha is RECOMMENDED by Doctors and Nutritionists.
  • Our products are RECOMMENDED by customers.
  • The products are dispatched from centres all over the world to ensure fast delivery to our customers.




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


For information about the excellent health benefits of Doctor King® Finest Ceremonial Grade 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 visiting 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, January 2016)


"Make way for matcha..."

"The trend has even developed into entire matcha destinations, such as MatchaBar and Cha Cha Matcha in New York City." (USA Today, January 2017)

"Japan's Prime Minister, Shinzō Abe, treats Great Britain's Prime Minister, Theresa May, to a traditional Japanese matcha green tea for two."

"The two leaders met at the Omotesenke Teahouse in the old imperial capital, where the teamaking ceremony dates back to a man called Sen no Rikyū, the 16th-century founder of the tradition". (The Times, August 2017)

"The Top Food Trends For 2018" will include “Matcha”