Blood Type Diet - Type O

Type Os thrive on intense physical exercise and animal protein. Unlike the other blood types, Type Os muscle tissue should be slightly on the acid side. Type Os can efficiently digest and metabolize meat because they tend to have high stomach-acid content. The success of the Type O Diet depends on the use of lean, chemical-free meats, poultry, and fish. Type Os don't find dairy products and grains quite as user friendly as do most of the other blood types.

Eating a Blood Type Diet for your type is importantThe initial weight loss on the Type O Diet is by restricting consumption of grains, breads, legumes, and beans. The leading factor in weight gain for Type Os is the gluten found in wheat germ and whole wheat products, which interferes with insulin efficiency and slow down metabolic rate. Another factor that contribute to weight gain is certain beans and legumes (lentils and kidney beans) contain lectins that deposit in the muscle tissues making them less "charged" for physical activity. The third factor in Type O weight gain is that Type Os have a tendency to have low levels of thyroid hormone or unstable thyroid functions, which also cause metabolic problems. Therefore it is good to avoid food that inhibits thyroid hormone (cabbage, brussels sprouts, cauliflower, mustard green) but increase hormone production (kelp, seafood, iodized salt).

Several classes of vegetables can cause big problems for Type Os, such as the Brassica family (cabbage, cauliflower, etc.) can inhibit the thyroid function. Eat more vegetables that are high in vitamin K, which helps the clotting factor which is weak in Type Os. The nightshade vegetables can cause lectin deposit in the tissue surrounding the joints.

Because of the high acidity stomach, Type Os should eat fruits of alkaline nature such as berries and plums..

Type Os should severely restrict the use of dairy products. Their system is not designed for the proper metabolism. If you are a Type O of African ancestry, you should eliminate dairy foods and eggs altogether.

The physiological characteristics individuals with blood type O are predisposed and how their bodies deal handle different kinds of diets is also tied to how their bodies handle stress. The body’s stress response is governed by the neuroendometabolic (NEM) stress response system, made up of multiple neuroendocrine and metabolic circuits, functional systems that mitigate and minimize the effect of stressors on the function of different organs and areas of the body. These circuits all work together to ensure the body’s continued function is not in question every time a stressful occurrence or event arises.

The archetypical blood type O physiology tends to have engender fragility in some components of the metabolic circuits of the NEM stress response. Accordingly, metabolic symptoms will likely arise first when the stress response system becomes disrupted or dysregulated such as weight gain and reduced exercise capacity. The first line of defense against such symptoms is first to adopt lifestyle practices to minimize stress and promote relaxation. On top of this, proper nutrition is another pillar critical to maintain proper metabolic health and a healthy body in general.

See Detailed Type O Food Chart
A comprehesive list of what foods to eat on a Blood Type Diet

« Blood Type Diet Main Page Type O Chart »
5 - "Hello, I am not writing with a specific question" Hello, I am not writing with a specific question. I am actually an Anatomy Instructor at one of our nation's most prestigious medical institutions, and I wanted to write and let you know that I truly have found your recommendations effective for me personally. I am a type O, and through the years of trial and error with various food regimens, I came to find out on my own many years ago that certain food groups tended to make me feel healthy and 'alive' and other food groups seemed problematic. On my own, I have gradually eliminated most wheat products and dairy and have gravitated to meat and seafood. I was stunned when I read your research because it so nearly perfectly matched my own, albeit non-scientific conclusions about what works for me. I am a healthy, vibrant 46 year old woman in excellent physical condition, take no medications for hypertension or cholesterol. I am five feet seven inches and weigh about 118 lbs- I am fit and lean. I do tend to gravitate to large amounts of physical exercise. Your research is quite fascinating. I am a testimonial to your work! Thank you.

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