Single-day and three-day banana diet – effects and assessments
Alicja Kowalska
2026-03-15
6 min. read
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Following the publication of the Watanabe couple's book, the banana diet became a phenomenon not only in Japan but globally. The media quickly began promoting it, and millions of individuals struggling with obesity or aiming for a slim figure adopted the recommended dietary approach. Read the article to learn more about the principles of this diet and its potential effects.
The banana diet
The banana diet was developed by a couple from Tokyo Hitoshi and Sumiko Watanabe. According to the creators and proponents of the banana diet, they provide our body with all the necessary nutrients. Their main ingredient is sugar starch, which is modified into easily digestible sugar. Additionally, in its composition we can find calcium, phosphorus, fluoride, magnesium, and seregamines, etc. Group B, vitamins C, A, and E. It is characterized by a fairly moderate nutritional value, as 100 g of this raw food supplies 100 calories. One of the basic diets used in this diet is to eat up to a maximum of 19 hours after this diet.
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