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Blood type diet: what it is and how it works
By Naturale Bio
The blood type diet: a relatively young eating style, it began to be talked about in 1996 starting from the idea of an American naturopath, Peter D'Adamo. A public success, if you consider that his book “Eat Right 4 Your Type” has sold almost ten million copies worldwide.
Blood type diet: where the idea comes from and the basis
His idea is based on an evolutionary concept: on a biological level, the different blood groups – A, B, AB e 0 – would define different "micro-stages" in the evolution of the human species. Each of these stages corresponds, historically, to very different moments in human habits and customs, even at a nutritional level.
For example, if it is well established that group 0 is the most ancient, then it is easy to think that our ancestors who had that blood were essentially hunter-gatherers, accustomed to eating mainly meat and wild vegetables such as fruit and roots.
The other blood groups, which appear later, are linked to eras in which, however, man had already further evolved in his abilities and habits, arriving at cultivation and breeding, therefore consuming different foods from his predecessors.
What each blood type should eat
Of course, we are no longer primitive and we have a vast availability of foods to choose from every day. However, what must an individual of each of the 4 blood groups do to follow this diet?
Here are some indications, again according to D'Adamo:
- Group 0, the oldest, dates back to when man was purely carnivorous because he was a hunter. Yes, to meat and fish and ok to pure vegetables and tubers. No to overly processed foods, cereal and milk derivatives, and also no to legumes and foods containing too much sugar. Almost a ketogenic, therefore;
- Group A, dates back to the time when man discovered agriculture and stopped hunting. Ok, so, to everything that is of plant origin: cereals, vegetables and fruit, seeds and grains, legumes, it is better not to overdo it with foods of animal origin, essentially a plant-based diet;
- Group B, when man starts breeding he also understands how to transform products derived from the presence of animals, such as milk and eggs, and begins to develop a more complex metabolism and digestive system. Ok, then, to dairy products and slightly more processed products, always with an eye on not exceeding sugars, preservatives and processing;
- Group AB, the most recent and "evolved", a summation of the previous ones, therefore individuals with this type of blood are more likely to be able to eat everything.
In conclusion: is the blood type diet good for you?
The premise is that there is, in reality, no scientific evidence that what D'Adamo claims is correct.
It is true, however, that those who undertake this diet often feel better: why?
Simply because, in principle, like any diet that aims to improve people's eating habits, the blood type diet is also based on universally correct principles, for example:
- eat pure and not overly processed products;
- limit industrial sugars and preservatives;
- focus on the quality and seasonality of the foods you put on the table etc.
Moderation and common sense – and not some “magic” trick or dietary diktat – bring the best results in the long term.
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