Red, green, or dark purple fresh plums are all healthy fruit choices for type O persons to make as part of their Blood Type diet. This, according to the official Blood Type diet website, is because plums contain elements that might prevent your body from producing polyamines. Your risk of cancer and digestive issues can both increase with a high blood polyamine content. He also asserts that eating plums can reduce an individual with type O’s excreted indican level. People with digestive disorders frequently have high urine indicators. Prunes, which are dried plums. Particularly for diabetics with blood type O following the plan, prunes are advised. You may also consume prune puree, which you can make yourself or buy. It has significantly less fat and cholesterol than butter or oil and can be used as a substitute in baked goods. For every 1/4 cup of fat, allow 1/4 cup of prune puree. Fresh and dried figs are excellent foods for people with type O blood. Both are said to affect indican and polyamine levels similarly to prunes and plums. Avoid figs that have been candied or that have been canned in heavy syrup because they both contain a lot of sugar. Fresh figs cut into cups make up one serving of fruit, but dried figs are only counted as half a serving. To avoid consuming too many calories, limit your intake of dried fruits. Numerous more fruits that are thought to be neutral for blood type O people can be consumed. These fruits are not dangerous, according to the diet’s principle, but they do not provide type O individuals with the same precise medical advantages as figs, prunes, and plums. However, they do include fiber and important vitamins and minerals including potassium and vitamin C. Cherries, apples, all types of grapes, watermelon, pears, bananas, blueberries, lemons, grapefruit, papayas, and raspberries are a few examples of foods that are suitable for those with blood type O.