Can be a calorie deficient diet. No long-term weight loss studies conducted. For Your Blood Type Peter J. D'Adamo is a Naturopathic Physician. Certain foods react with certain blood types and have adverse effects. Thus, making you more susceptible to illness and weight gain.
Proportions depend on blood type.
None of the Diets are extremely low calorie. Not based on published scientific evidence. Timing of meals not discussed.