
Who Should Ask a Doctor Before Starting a Japanese Diet?
Most readers can start a Japanese-style plate alone. Ask a doctor first if you use insulin or SGLT2 inhibitors, or have kidney disease or are pregnant.
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How the Japanese approach to meals actually works, including washoku, ichiju-sansai, hara hachi bu and the Okinawa diet. Start here to understand the principles before you change anything.

Most readers can start a Japanese-style plate alone. Ask a doctor first if you use insulin or SGLT2 inhibitors, or have kidney disease or are pregnant.

What the Japanese diet is in practice: rice, dashi soup, small vegetable dishes, soy and seaweed, plus the salt problem – and a four-week plan to start.

Washoku Japanese diet explained: the one soup and three dishes set, the 80 percent fullness rule, the salt targets and the cost of a starter basket.

The Okinawa diet with real numbers: 1949 food groups, the foods to buy, what a week costs and how it compares with the Mediterranean diet for weight loss.

Japanese diet explained: the 1949 Okinawan plate in numbers, which blue zone claims hold up, plus UK shopping prices and a four-week plan.