

The A negative blood type is only present in about 1 out of 16 individuals. There is little differentiation between AB positive and AB negative people when it comes to dietary recommendations. It claims that people with different blood types will thrive on different ways of eating - for instance, people with type O blood should eat more fat and protein in the form of meat and fish (similar to an Atkins or keto style diet), while people with type A blood should stick to mostly plants. It is very important to maintain sufficient supply of this blood type for it is rare. This diet strategy was proposed by Peter D'Adamo, an alternative medicine practitioner, in a popular book published in 1996. People with type O blood tend to have higher levels of stomach acid and therefore experience more ulcers. These findings refute the most popular version of the blood type diet, which suggests people with certain blood types should avoid a low-fat plant-based diet, and eat more meat and dairy. People with O negative blood following the Eat Right for Your Blood Type Diet are believed to be healthiest on a diet of lean protein, and only limited wheat and grains, which will cause them to gain weight. The blood type diet has previously been critiqued for lack of evidence


Neal Barnard, lead author of the study and president of the Physicians Committee, in a press release. "Our research shows that all blood types benefit equally from a vegan diet based on the consumption of fruits and vegetables, legumes and whole grains, looking specifically at weight loss and cardiometabolic health in overweight adults," said Dr. They found that the health effects of a plant based diet were consistent, regardless of participants' blood type.
#DIET A NEGATIVE BLOOD TYPE TRIAL#
The researchers did a separate analysis on those trial results to see if any of the health outcomes appeared to vary by blood type.
