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Artisanal Fermented Soy
The ancient Japanese secret to longevity, carefully crafted in the heart of Lazio.

Otani Organic Tofu Soy Natto is an extraordinary product, dedicated to true connoisseurs of Japanese culinary culture and anyone who puts health first. Obtained by fermenting organic yellow soybeans with live cultures (Bacillus subtilis var. natto), this food has a stringy texture and a bold, complex, and earthy aroma.
Unlike commercially frozen versions, Otani's Natto is artisanally produced in Montecompatri, guaranteeing unparalleled freshness and enzymatic vitality. It is a "living" food in the truest sense of the word: a concentration of nutrients transformed by slow fermentation, making the soy incredibly digestible and functional. The quality of the organic soy used, combined with Otani's artisanal expertise, makes this Natto a rare excellence among Italian fermented foods.
Choosing this product means embracing a cornerstone of the macrobiotic diet. Although its taste and texture may be unusual at first, natto is captivating for the sensation of energy and well-being it instills in the body, representing the perfect synthesis of ancient Eastern tradition and local organic supply chains.
Natto boasts a millennia-old history in Japan, where legend has it that it was accidentally discovered by samurai warriors who preserved boiled soybeans in rice straw. For centuries, it was the quintessential energy breakfast for monks and rural populations, revered as an "elixir of long life." Its traditional production required constant heat and patience, transforming simple legumes into a food that protects the heart and bones.
Otani Organic Tofu preserves this ancestral technique, adapting it to the highest standards of organic safety. Producing natto by hand means knowing how to carefully monitor the fermentation process, allowing the live cultures to create the characteristic stringy texture that holds the secret to its properties. It's a bridge between Japan's ancient history and the Castelli Romani region, where a passion for well-being becomes a daily staple.
Natto is considered one of the most nutritious foods in the world. It is the only significant dietary source of nattokinase, an enzyme studied for its ability to support blood circulation and cardiovascular health. It is also very rich in vitamin K2 (MK-7), essential for bone health and the proper distribution of calcium in the body, preventing it from depositing in the arteries.
As a fermented product, natto is a powerful ally of the intestinal microbiota; its live cultures promote a balanced bacterial flora and strengthen the immune system. It is an exceptional source of complete plant-based proteins, fiber, and minerals such as manganese and iron. Choosing Otani's organic version guarantees the absence of GMOs and pesticides, offering pure, powerful, and deeply regenerating nutrition for the entire body.
Tofu Bio Otani, located in Montecompatri (Rome), is an artisanal company of excellence driven by a deep understanding of macrobiotics. For decades, it has processed organic soy using original Japanese methods, offering fresh, living products free of any chemical additives.
Water, organic yellow soybeans, live cultures (Bacillus subtilis var. natto).
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I keep Natto, which I ordered and order at regular intervals, usually every month and a half, consuming half a pack a day, in the freezer and defrosting it every other day.
Natto improves cardiovascular and bone health thanks to nattokinase and vitamin K2, and the presence of its bacterium Bacillus subtilis when consumed is confirmed by the thick, stringy white slime that is created by stirring the soybeans 200 times rapidly immediately before consumption.
I make the natto look and taste nice for myself by adding some kimchi, sliced ginger and 1 teaspoon of shiro miso.
excellent
Let's hope he does well