Sencha fermented green tea leaves from Japan


High-Grade Fermented Tea

Sale price $19.00
At a glance

A unique organic fermented green tea with hints of plum and caramel, packed with new polyphenols. A great support for weight loss.

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Plucked during the first and second harvests, organic fermented green tea NADESHIKO is a new type of healthy tea made by producer Osada san in Shizuoka. Also called "rosé tea", its unique microbial fermentation process was developed thanks to Sake fermentation expertise, using the patented black koji (kurokoji). Koji is a fermentation starter based on a mold found all over in Japan and used to make Sake, soy sauce or miso. Moisture is added to the processed leaves, then is sterilized.

The leaves are then fermented with kurokoji. Unlike black tea and Pu'er tea, this microbial fermentation tea is processed in a clean room and only using patented kuro-koji-kin (black fermentation starters) with a unique processing flow. A blend of benifuuki, yabukita and zairai cultivars, NADESHIKO is a highly refreshing green tea similar in taste to wakoucha (Japanese black tea) or Chinese pu'er, but extra healthy thanks to high concentrations of catechin, citric acid and gallic acids developed under a strictly controlled procedure. Like all fermented foods, NADESHIKO is a tea that is highly effective to support your diet and fitness efforts.

Research conducted by a joint team at Shizuoka University and Saga University discovered two new types of polyphenols inside it that suppress the enzymes responsible for diabetes in adults. This, in turn, decreases levels of visceral fat, neutral fat and cholesterol. How does it work ? In this case, the patented microbial fermentation degrades the catechins found in the green tea to create two new polyphenols (teadenol A and teadenol B).

Teadenol A in particular has the scientifically-proved effect of suppressing appetite, increasing insulin secretion and thus exhibiting anti-diabetics effects (you can read more here). Post-fermented teas in general reduce the risk of atherosclerosis. Enjoy NADESHIKO's health benefits, its plum scent, sweet taste and hints of caramel. Read Alex's in-depth tasting notes here! 

Food Pairing

You may enjoy this tea by itself or pair it with chocolate or chocolate-based desserts, like mousse or flourless chocolate cake, or with fresh raspberries, strawberries, blackberries, or blueberries. The tea may also be served with red meat-based dishes, especially lamb-based dishes.


Net Weight: 60g
Harvest: 2022
Origin: 100% Japanese tea from Shizuoka
Quality and type: High-Grade Fermented Tea
Organic: Yes JAS
Cultivars: Benifuuki, Yabukita, Zairai
Conservation: 2 years unopened
Optimal tasting: within 2 years after opening

Producer Information

Natsumi Osada

Osada Natsumi is the fourth-generation director of Osada Seicha in Shizuoka.

A Japanese tea instructor holding a 8th dan (8th rank) dedicated to growing organic tea, he won multiple national awards for his teas over the past decades, including the Nihoncha Award 2021 (Platinum winner for his kamairicha, fukamushi sencha as well as NADESHIKO).

What Customers say

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Filter Reviews:
Tamara Z.
Canada Canada

Excellent tea

Very good tea, great taste. A little pricey but worth it. Highly recommended.

Jackie L.
United States United States


Not quite like the traditional tea I used to have. It had a unique flavor to it, and it reminded me of black tea. It went really good with some honey and sugar. I am satisfied with it.



This is an interesting tea and I like it more each time I brew it. Very powerful and potent with a unique flavor and wonderful scent. For me, this is a tea to have along with a meal or sweet snack, rather than on its own.



Never had Japanese fermented tea before. This tea has a very nice aroma and does have a subtly sweet taste.

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