Blood Type Diet – Blood Type A

By: Michael Lam, MD, MPH


Vegetarian diets are recommended for those with blood type AIndividuals with blood type A flourish on vegetarian diets. Type As are predisposed to heart disease, cancer, and diabetes. It is particularly important for sensitive Type As to get their foods in as natural a state as possible: fresh, pure, and organic. When you get on the Type A Diet, you will naturally be thinner. If you are accustomed to eating meat, you’ll lose weight rather rapidly in the beginning. Eliminating some of the toxic elements of meat from your diet greatly helps out the detoxification process in your body; and when you follow the Type diet, you can supercharge your immune system and potentially short-circuit the development of life-threatening diseases. This helps reduce the burden on the stress response systems of the body, curtailing and preventing symptoms of a dysfunctional NeuroEndoMetabolic (NEM) stress response.

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Your blood type A dietWhen Type As eat meat, they experience sluggishness. Type As have low stomach-acid content, therefore they have a hard time digesting meat. The slow and sometimes incomplete digestion generates a greater toxic load as microscopic organisms grow within the gut that are normally kept in check by a healthy gut microbiome. Reducing or eliminating meat from your diet prevents this increased toxic load from affecting your body’s detoxification process, an important circuit of the NEM stress response system.

This Since Type As eat very little animal protein, nuts and seeds supply an important protein component. Type As also thrive on the vegetable proteins found in beans and legumes, except those mentioned for the “Avoid” list. These beans can cause a decrease in insulin production, creating an imbalance in your body’s metabolic processes that generates stress, and which may cause obesity and diabetes over a long period of time. Tofu should be a staple in the Type A Diet.

Dairy foods are also poorly digested by Type As, and can cause metabolic slowdown. Type As can tolerate small amounts of fermented dairy products such as yogurt, kefir, nonfat sour cream, and cultured dairy products. The fermentation process breaks down and converts many of the offending and difficult to digest proteins and nutrients into forms which cause less stress, eliminating some of the load on the NEM stress response to make sure the body continues to run smoothly.

Vegetables are vital to the Type A Diet, providing minerals, enzymes and antioxidants. Type A are very sensitive to the lectins in potatoes, sweet potatoes, yams, cabbage, tomatoes and peppers. They aggravate the delicate stomach of Type A. Type A should eat more fruits that are alkaline, avoid mangoes, papaya and oranges for they cause extra stress to your digestive tract create imbalances in the metabolic circuits of the NEM stress response.

Diet for Blood Type A

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

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48 Comments

  • Baguma Eyole Geoffrey says:

    Does drinking much fluid lead to increase in weight gain? I used to be 58kg but when I began to feel thirsty, I would drink 5 liters of water daily until I gained 72kg.
    I had been controlling this for somtimes. Last year I denied myself food and reduced to 63kg but within a week when I took more fluid, I gained 3kg. A month ago I reduced from 71kg to 65.5kg but today am 68kg.
    Is it because of fluid? I do not eat the food type As are to avoid

  • Eyerus says:

    Thank you for having this information. I am blood type A. I will try to adjust my eating habit in this regards. I hope that I will come with a Change.
    Blessings

  • Christine says:

    I’m type A and I just recently took meat out of my diet and my energy level went through the roof.
    I also have Celiac disease so I can’t eat any gluten…..
    Yes, my diet is very limited but at least I don’t feel like sleeping all day…

  • Nontsikelelo RM says:

    I do agree with the information on blood type and diet. Before I even knew about this, I used to comment that when I eat Red Meat (love it a lot) I feel heavy and sickly. In the morning my feet become heavy to lift as well. I have a discomfort in the stomach. This happens to me when I drink red wine and coke. Maybe there is something common there. In addition, if take milk, eat cheese and other dairy products I feel extremely tired. I can relate all that to what is on the article. Am not sure if there could be anything else. Yes I am blood type A positive

  • Bill says:

    Gee! This is spot on. Before I had all kinds of nerve pain, allergies, and even arthritis pain. I kept visiting Doctors, and they didn’t know what my problem was, and just kept throwing meds at me. I also kept going to the Health food store near me, for vitamins that weren’t doing nothing. Then this wonderful lady that worked at the Health Food Store, asked me what Blood type I was. I said A Neg! and then she gave me this card on the foods I should, and shouldn’t be eating IAW my blood type. I never paid attentioned. Then this past Spring of 2017, my Allergies were killing me. I went to all these Doctors, and they just threw hard meds at me. Then again I went to the Health food Store, and this lady kept telling me that A Neg should be more on a vegetarian diet and no meat. So! I went on the diet she prescribed. It was dam hard, because I love red bloody meat. After about three weeks, the weight came off like butter, allergies went away, no arthritic pain, or morning stiffness. I feel fantastic. I went back to the Health food store, and I asked this Lady that why don’t Doctors go off blood types, and she said..Its not in their interest! I dropped the meats, breads, coffee, beer. Believe me, I yearn for it, but I will not trade in the healthy feeling that I now have, than for way I felt before, which was Horrorable! I loss about 12 lbs easy..and I also weightlift, ride bikes, and walk. My performance is that of a 30 year old. I am 66 now. And yes! with the meat diet before, allot of grains in my diet I was very, very sluggish…and we are talking about just about all my life, my diet has been all wrong!

  • Ginny says:

    are these books in KINDLE

  • Sharlee says:

    I am type A and I do not see eggs on the list at all. Are they permitted?

    • Dorine Lam RDN says:

      For blood type A, egg white is neutral, egg yolk and whole egg is occasionally.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • lindsay says:

    I am type A! But, I am confused on a couple items here. Can I eat dairy like mozzarella cheese? It says no dairy but this cheese is neutral? Then, I can have soy yogurt but not greek yogurts, OR can I have greek yogurt but only a few times a week (Caucasian)?

    Also, for granola … this is an avoid. But does it depend on what the granola is made up of? Thanks!!

    • Dorine Lam RDN says:

      For Blood Type A, mozzarella cheese is neutral/beneficial. Yogurt (dairy) is neutral. Soy milk is beneficial.
      Granola is ok if you use the allowed ingredients.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Mibe reefs says:

    Lol I’m a+ and I’ve had dairy and oj for breakfast basically everyday for the past year at least, very rarely have stomach problem s afterwards. And for what blood types is consuming organic food and drink not important for…? As if processed foods are important for certain blood types???

    • Dorine Lam RDN says:

      Actually, the benefits of organic food and harmfulness of processed foods applies to all blood type.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Monique Robinson says:

    Hello there!! 🙂

    I purchased the book ” Blood Type A Food, Beverage and Supplement Lists, and was wondering if I’m able to eat chia and hemp seeds and also Spirulina and Camu Camu powder.

    Thank you for helping me with this.

    Sincerely,

    Monique Robinson

    • Dorine Lam RDN says:

      Unfortunately, I don’t have information for what you are asking.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Baguma Eyole Geoffrey says:

    I have discovered i suffer a lot from inflamation. What i usually eat helps a lot in fighting microbes though meat, some fruits and veges i have to stop. Can you advice me how to fight inflamation?

  • Susan Wolfgeher says:

    I AM A POSItive

    • Dorine Lam RDN says:

      What is your question or comment?

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Susan Wolfgeher says:

    I have an aggressive form of endometrial cancer and after trying alternatives have had to resort to chemo. I have been encouraged to do a modified Keto diet with about 20-30 carbs per day 10 protein and the rest fat . I also did an IGG AND IGE blood sensitivity test showing I am sensitive to bananas, sesame, almonds and eggs. ( I am already gluten free) now I’m encouraged to include the blood type diet which I was aware of and followed somewhat . So now I’m so confused which is the most necessary in regards to the cancer. Coconut was one of my staples and on the blood type diet it seems to be not so good. I know cancer thrives on sugar so using ketones for energy makes a lot of sense, but I LOVE MEAT and now they say no red meat due to blood type . . I’m just wondering which portions of these diets are going to inhibit my cancer . I’m really at a loss! Can u help. I also am convinced that fungus plays a huge role in cancer formation so there go my pickles, acv and numerous other foods

  • Lora pace says:

    Is it possible for resicpes for boold A pls

    • Dorine Lam RDN says:

      Dr Peter D’Adamo’s book on Eat Right For Your Blood Type has some recipes and menu plans.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Lora pace says:

    Is it good VITAMINS super once a day and omega3 fish oil my bood is A POSSITIVE TKS

  • Odongo Romano says:

    Thank you, now i know what to eat and what not to eat

  • Earnest Casey says:

    Hi Can you give me a good diet for a 68 year old man over weight 258 6ft tall WHite Please give me your recommendation

    • Dorine Lam RDN says:

      For blood type A – most important to avoid the following foods to lose weight: wheat (wheat and white flour products), meat, dairy, kidney beans, and lima beans.

      The easiest way to follow the blood type diet is to remember the foods to avoid and stay away from these foods for a few months. Observe your body and see how you have improved in your health.

      Blood Type Diet is based on how the protein in the food called lectin affects blood agglutination.The blood type diet is fitting for most of the people. Due to tremendous variation in individual constitution, there is no guaranteed success with it. If you would like to follow the blood type diet, I would recommend that you follow it vigorously for 3 months, even though you don’t see much harm or benefit in certain food. After 3 months, if you see no improvements in your health, then you can deviate and use the blood type diet as a general guideline and not overeat the foods that should be avoided for your Blood Type, but take them with care and in small amounts.

      Also follow the following as a guide: Blood Type A, Metabolic Syndrome

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Steven Buwembo says:

    Thanks very much for all what you do. Can you please help me and send me all the types of food and what kind of food nutrients i must be taking. My blood group is B.

    Thanks in advance

    • Dorine Lam RDN says:

      Dr Peter D’Adamo’s book on Eat Right For Your Blood Type has some recipes and menu plans.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Simone says:

    Hi I’m a+ and have rheumatoid arthritis will this diet help me?!

    • Dorine Lam RDN says:

      Blood Type Diet is based on how the protein in the food called lectin affects blood agglutination. The blood type diet is fitting for most of the people. Due to tremendous variation in individual constitution, there is no guaranteed success with it. If you would like to follow the blood type diet, I would recommend that you follow it vigorously for 3 months, even though you don’t see much harm or benefit in certain food. After 3 months, if you see no improvements in your health, then you can deviate and use the blood type diet as a general guideline and not overeat the foods that should be avoided for your Blood Type, but take them with care and in small amounts.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • paula says:

    Hi, I am type A with hypothyroidism so I need to what the greens that I eat also, is there anything that will help me and foods that I must stay clear of.

    • Dorine Lam RDN says:

      Being Blood Type A, most vegetables are neutral or beneficial to you. Do avoid cabbage, eggplant, any kind of peppers, sweet potato, tomatoes and yam. The easiest way to follow the blood type diet is to remember the foods to avoid and stay away from these foods for a few months. Observe your body and see how you have improved in your health.

      Blood Type Diet is based on how the protein in the food called lectin affects blood agglutination.The blood type diet is fitting for most of the people. Due to tremendous variation in individual constitution, there is no guaranteed success with it. If you would like to follow the blood type diet, I would recommend that you follow it vigorously for 3 months, even though you don’t see much harm or benefit in certain food. After 3 months, if you see no improvements in your health, then you can deviate and use the blood type diet as a general guideline and not overeat the foods that should be avoided for your Blood Type, but take them with care and in small amounts.

      Also follow the following as a guide: Blood Type A

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Gabrielle says:

    Does this diet help with bloating and water retention? Does it help with chronic pain? Is this diet proven

    • Terri says:

      Removing processed foods reduce sodium immediately and the swelling and bloat goes quickly. Try it.

  • Sheila says:

    Hello
    Can type a eat chocolate please?

    • Dorine Lam RDN says:

      Yes, chocolate is neutral for Blood Type A.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Anne McCann says:

    Hi my bold type is A positive and I have been diagnosed with genetic Haemochomatosis, would a blood type diet benefit me?

  • Baguma Eyole Geoffrey says:

    I am 53 years but from childhood had big problems of eating. I struggle to finish a meal. I can takes hours to finish a meal. What I like most are fruits and vegetables., chicken. Only roasted meat caught my appetite some years back. But when I was in Israel during winter i developed gout only to be healed when I dipped myself into Dead Sea.
    I am a good eater of mangoes, papaya and oranges but will stop it. Each season i eat them i put on weight but with stomach upset.
    Will you always be available to me since am just starting to practice after attending a seminar yesterday about nutrition.
    Are you on Whatsapp or messenger where I can call you?

    • Dorine Lam RDN says:

      You can always write to me. If you want to call me, click “Call me” on http://www.drlam.com, and my office can schedule a free consultation for you.

      If you eat certain foods and it cause you stomach discomfort and gaining weight, the mood may create some internal inflammation. It is best to rotate or avoid the said food.

      The blood type diet is fitting for most of the people. Due to tremendous variation in individual constitution, there is no guaranteed success with it. If you would like to follow the blood type diet, I would recommend that you follow it vigorously for 3 months, even though you don’t see much harm or benefit in certain food. After 3 months, if you see no improvements in your health, then you can deviate and use the blood type diet as a general guideline and not overeat the foods that should be avoided for your Blood Type, but take them with care and in small amounts.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Tamia says:

    My Blood Type is A Negative. After reviewing the chart, I see that I can’t eat shellfish such as Shrimp, crab (My Favorite), or Lobster. Why is this the case

    • Dorine Lam RDN says:

      You have some very good valid questions. Blood Type Diet is based on how the protein in the food called lectin affects blood agglutination. The diet is founded by Dr Peter D’adamo. There are some principles in the blood type diet that are not accepted in conventional medicine and their recommendations. Ie coconut and soy are some of these discrepancies.

      Dorine Lam, RDN, MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • Khewitt says:

    I’m struggling to cope with a diet based on eating fresh fruit and vegetables. I’m A+ and for a 12 days my diet has been based on spinach/tomatoes/cucumber/gerkins/bean sprouts/olives/lettuce/pears/pineapple/pawpaw/apple and some white meat. (I don’t have access to a wide variety of fresh foods/nuts/seeds). Though these foods are not exactly a sudden change for my body, since the 12 days of eating strictly I’ve really struggled with stomach cramps, bloating, water retention and even some weight gain! constipation…followed the next day by diarrhoea …..is this normal? I’ve had my gallbladder taken out so i struggle with digestion of most things. Should I stick it out and hope things get better?

  • Mimi says:

    I am type A ..I love cannellini beans , jalepenos and tomatoes ..am I harming my body?

  • Marvin says:

    I would like to ask if granola is alright to eat for a blood type-b person.

    • Dorine Lam RDN says:

      Depending on the grains that the granola is made with. If it is made with only oat, then yes, if it has wheat in it, then no.

      Dorine Lam, RDN , MS, MPH
      Registered Dietitian and Senior Holistic Nutritionist

  • KATHEE FERRIS says:

    Are COJI/WOLFBERRIES acceptable for blood type A?
    THANKS