O Negative Blood Type Diet

I believed that no two people on the face of the earth were alike; no two people have the same fingerprints, lip prints or voice prints. No two blades of grass or snowflakes are alike. Because I felt that all people were different from one another, I did not think it was logical that they should eat the same foods. It became clear to me that since each person was housed in a special body with different strengths, weaknesses and nutritional requirements, the only way to maintain health or cure illness was to accommodate to that particular patient's specific needs.

- Dr. James L. D'Adamo

To some, the connection between their blood type and the diet required according to the blood type, may sound a bit far-fetched; whilst to others, it may be the most obvious link that they might or might not have thought of. Dr. D'Adamo came down to the conclusion that the kind of foods that were easily metabolized and were hence better for a person of a particular blood type weren't necessarily so for another.

Here, however, we're about to understand the basics of the O negative blood type diet. The diet for people of both, O positive as well as O negative blood type, is the same. The history of the O blood type will make it easier for you to understand why to eat what you should eat, as the origins from where you came help you understand your path better as to where you're headed.

O is for Old. The blood type O ancestors have been the Neanderthals, who were here almost 40,000 years ago and have been the roots of the people who branched out as O blood type. They hunted, and in organized packs, making use of weapons and tools that gave them strength beyond the measure of an ordinary bare-handed human, letting go of fear of any animal rivals they could have. And, they became efficient hunters without many natural predators at all. Their population went up and their main source of nutrition (fuel) was protein that came from meat. Later, however the competition between them and the scarcity of meat on those hunting grounds made them disperse far and wide, out of Africa towards Europe and Asia, soon occupying all lands except Antarctica.

Type O: The Hunter

Meat eater Robust and tough digestive tract Highly active immune system Best way to deal with stress is rigorous physical activity Cannot adapt easily to drastic dietary and environmental changes An efficient metabolism is essential to stay lean, healthy and energetic The Ketosis Key

There were slight alterations in the hunter-gatherer's physical demands, the general digestive activity and way of metabolism of the O blood type ancestors, due to a diet which was high in protein and fat, with a few carbohydrates. Which means that instead of carbohydrates being broken down to glucose, the body metabolizes fats and proteins to ketones, which are used instead of sugars, to keep glucose levels steady.

So, you may be sitting back and blinking and thinking to the thought of saturated fats that are unhealthy and that eating too much meat is bad for you. Meats that are injected and pumped up with hormones and other dangerous antibiotics to plump up, are certainly best to avoid most entirely. But organic meats aren't so bad for the O blood type and are actually the fuel that your body needs. Think about the foods that require hunting! It would certainly not be a field of wheat or a glass of milk. So, O blood types won't benefit much from drinking milk and eating bread. Their systems aren't quite so entirely adapted to dairy and grains the way that other blood types are.

Losing Weight

The main reason why you may be piling on the pounds is not the meat you eat, but due to the amount of grains, pulses and legumes you have in your diet. Wheat - whole wheat and wheat germ - has gluten, which puts a stress on your metabolism, acting against ketosis. This means that your calories are not utilized efficiently, stressing your digestive system out. The gluten lectins oppose the proper metabolism of insulin.

Another factor to consider is that the muscle tissue in O blood types is more acidic, hence you might as well avoid legumes, pulses and beans that have lectins making your muscle tissues a bit unnaturally alkaline.

The regulation of the thyroid is another factor to consider for weight gain. Hypothyroidism is another reason why O blood types gain weight. Insufficient levels of iodine lead to hypothyroidism symptoms of which include muscle loss and fatigue and retention of fluids that is the cause of bloating and weight gain.

Foods Promoting Weight Gain

Interfering with insulin and slowing metabolism:

Hindering the utilization of calories:Kidney beans Navy beans Lentils Hindering thyroid hormone:Cabbage Brussels sprouts Cauliflower Foods Promoting Weight Loss

Foods containing iodine to avoid hypothyroidism:Kelp Seafood Iodized salt Sources of vitamin B that are great for efficient metabolism:Liver Red meat Kale Spinach Broccoli In the sections below, 'highly beneficial' means foods that are like medicine, 'neutral' means foods that your body can tolerate in moderation, and 'avoid' means foods that aren't good for your body at all and may produce toxins or hinder your digestive or immune system in one way or another.

Meats

One thing to be kept in mind is that you cannot quite eat excessive meat, as your ancestors didn't quite eat that amount either. Best, according to Dr. D'Adamo, is to stick to 175 g/6 oz for one meal. The high acid content in O blood types makes it possible for them to digest meat rather easily. The more exercise you take, the more protein is required. Balance out the amount of protein you take with fresh fruits and vegetables to avoid over acidification in your body that can lead to a lot of irritation of the lining of your stomach and can result into gruesome ulcers.

Highly Beneficial

Beef Buffalo Heart Kidney Lamb Liver Mutton Oxtail Sweetbreads Tripe Veal Venison NeutralChicken Duck Partridge Pheasant Poussin Quail Rabbit Turkey AvoidSeafood

As O blood type is vulnerable to thin blood, which resists clotting, the vitamin K found in seafood is highly beneficial as it promotes clotting of blood. Seafood is an excellent choice and source of iodine, which regulates thyroid function. Let us look at what seafood should be included in the diet for O negative blood type and what shouldn't make its way on your table. Seafood should be consumed more often than other meats for the O negative blood type.

Highly Beneficial

Bluefish Cod Hake Halibut Mackerel Red Snapper Perch Pike Rainbow trout Salmon Sardine Snapper Sole Striped bass Sturgeon Swordfish NeutralAbalone Albacore Anchovy Carp Clam Crab Crayfish Crocker Eels Frog legs Grouper Haddock Herring Lemon sole Lobster Mahi mahi Monkfish Mussels Oysters Prawns Red fish Sailfish Scallops Sea bass Sea trout Shark Smelts Snails Squid AvoidBarracuda Catfish Caviar Conch Pickled herring Octopus Smoked salmon Dairy Products and Eggs

Although milk products aren't beneficial at all to O negative blood types, if you're of African origin, you may find yourself particularly lactose intolerant. Best is to avoid milk products and eggs. You can have soy milk and soy cheese, which are good alternatives for proteins.

Neutral

Butter Feta cheese Goat milk cheese Mozzarella cheese Soy milk (particularly good) Soy cheese (particularly good) AvoidBlue cheese Brie Buttermilk Camembert Cottage cheese Crme fraiche

Edam cheese Emmental cheese Fromage frais Goat milk Gouda cheese Gruyre cheese Soft cheese Ice-cream Jarlsberg cheese Skimmed milk Muenster cheese Parmesan cheese Provolone cheese Neufchtel cheese Ricotta cheese Whey Yogurt Oils and Fats

Highly BeneficialLinseed oil (flaxseed) Olive oil NeutralCanola oil Cod liver oil Sesame oil AvoidCorn oil Cottonseed oil Groundnut oil Sunflower oil Nuts and Seeds

Nut butters are easier to digest for O negative blood types than eating them simply as nuts, as they have a tendency to cause digestive problems if not chewed well.

Highly Beneficial

NeutralAlmonds Almond butter Chestnuts Hazelnuts Hickory nuts Pecans Pine nuts Sesame seeds Sesame butter Sunflower margarine Sunflower seeds Tahini AvoidBrazil nuts Cashew nuts Peanuts Peanut butter Pistachio nuts Poppy seeds Beans and Pulses

Eating beans in moderation works best for the O negative blood type. Their muscle tissue is always slightly acidic and they burn fat faster when it is so. Beans, legumes and pulses make it a bit alkaline by depositing lectins that are less acidic. Highly beneficial beans mentioned below are good as they make your digestive tract stronger and keep a common problem of many O negative blood types, which is acidity, at bay and promote healing of the digestive tract.

Highly Beneficial

Aduki beans Black-eyed beans Pinto beans NeutralBlack beans Broad beans Cannellini beans Chickpeas Green beans Lima beans Green peas Sugar snap beans and peas AvoidKidney beans Navy beans Lentils - brown, green and red Soy beans Cereals

People having an O negative blood type are most susceptible to huge amounts of weight gain due to the gluten in whole wheat and whole wheat products and because of presence of lectins in them that get in the way of proper absorption of other nutrients. Thus, with the metabolic processes hindered and made sluggish, you tend to put on weight.

Neutral

Amaranth Barley Buckwheat Cream of rice Puffed millet Oat bran Oatmeal Rice bran Puffed rice Spelt AvoidCornflakes Cornmeal Cream of wheat Familia Farina Granola Grape nuts Wheat bran Wheat germ Shredded wheat Breads and Muffins

To begin with, breads aren't the best choice when it comes to O negative blood types as a lot of them contain wheat. If you're having a daily sandwich for breakfast or toast, maybe it would be best to switch to something else as it isn't the most beneficial, taking into consideration the gluten content in it. The genetic make up isn't quite designed to be able to metabolize grains well. However, you can always benefit from the sprouted wheat Essene bread as the lectins present in it are quite destroyed by the sprouting process.

Highly Beneficial

Sprouted wheat Essene bread NeutralBrown rice bread Gluten-free bread Millet bread Rice cakes 100% Rye bread Rye crisps Soy wheat flour Spelt bread Ryvita crispbreads Finn crisps Wasa bread AvoidBagels Corn muffins Cornbread Durum wheat bread English muffins Matzos Multi-grain bread Oat bran muffins Polenta Pumpernickel bread Wheat bran muffins Whole wheat bread Grains and Pastas

No grains or pastas are highly beneficial to the blood type. Most pastas are made from semolina, so it's best to check the package for ingredients before you buy it. Make sure to buy gluten-free pastas.

Neutral

Buckwheat flour Barley flour Kasha Rye flour Rice flour Spelt flour Quinoa Rice vermicelli Rice - basmati, brown and white Soba (buckwheat) noodles Tapioca Wild rice AvoidCouscous Durum wheat flour Gluten flour Graham flour Oat flour Plain flour Self-raising flour Semolina pasta Sprouted wheat flour Whole wheat flour Veggies, Sprouts, Soy and Fresh Herbs

It is important to consider vitamin K when you're wanting to buy vegetables, as vitamin K helps clot blood. There are certain veggies that may trigger allergic reactions in your body, whilst some that get in the way of efficient thyroid function. However, all fresh herbs are beneficial for the O negative blood type.

Highly Beneficial

Beetroot leaves Broccoli Collard greens Dandelion greens Endive Escarole Garlic Globe artichokes Horseradish Kale Kohlrabi Leeks Okra Onions - red, Spanish and yellow Parsley Red capsicum Pumpkin Seaweeds Spinach Sweet potatoes Swiss chard Tapioca Turnips NeutralAsparagus Bamboo shoots Beetroots Broad beans Capsicum - green and yellow Carrots Celery Chervil Chicory Coriander Courgettes Cucumber Daikons Dill Fennel Ginger Green olives Jalapeo Jicama beans Lettuce - buttherhead, cos, iceberg, Webb Mangetouts Mesclun salad mixture Moong bean sprouts Mushrooms - abalone, chanterelles, enoki, porcini, Portobello, tree oyster Radicchio Radish sprouts Radishes Rapini Rocket Shallots Spring onions Squash - all kinds Swedes Tempe Tofu Tomatoes Water chestnuts Watercress Yams AvoidAlfalfa sprouts Avocado Aubergine Cabbage - Chinese, red, and white Mushrooms - cultivated, shiitake Mustard greens Olives - black, Greek, and Spanish Potatoes - red, and white Sweet corn Fruits

Fruits most beneficial to the O negative blood type are ones that will keep their acidic digestive tract alkaline.

Highly Beneficial

Figs - fresh, dried Plums - green, purple, and red Prunes NeutralApples Apricots Bananas Black currants Blueberries Boysenberries Cherries Cranberries Currants Red dates Elderberries Gooseberries Grapefruit Grapes - green, purple, red Guava Kiwi Kumquats Lemons Limes Loganberries Lychees Mangoes Melons - canang, casaba, Crenshaw, Christmas, musk, Spanish Nectarines Papayas Peaches Pears Persimmons Pineapples Pomegranates Prickly pears Raisins Raspberries Star fruit Watermelons AvoidBlackberries Coconuts Melon - cantaloupe, honeydew Oranges Plantains Rhubarb Strawberries Tangerines Juices

Vegetable juices are preferred over fruit juices in the diet for O negative blood type due to their alkalinity. Avoid drinking juices high in sugars. Pineapple juice is great for preventing bloating and acidity.

Highly Beneficial

Black cherry juice Pineapple juice Prune juice NeutralApricot juice Carrot juice Celery juice Cucumber juice Cranberry juice Grape juice Grapefruit juice Papaya juice Tomato water (with lemon) Vegetable juices of vegetables that are highly beneficial (mentioned earlier) AvoidApple cider Apple juice Cabbage juice Orange juice Spices, Dry Herbs and Flavorings

These can improve your digestive as well as immune system, if eaten rightly.

Highly Beneficial

Carob Cayenne pepper Seaweeds - dulse, kelp Turmeric NeutralAgar Allspice Almond essence Anise Arrowroot Barley malt Basil Bay leaf Bergamot Brown rice syrup Capers Caraway Cardamom Chervil Chive Chocolate Cloves Coriander Corn syrup Cream of tartar Cumin Dill Garlic Gelatine - plain Honey Horseradish Maple syrup Marjoram Mint Miso Molasses Mustard - dry Paprika Pepper - peppercorns, red pepper flakes Peppermint Pimento Rapadura Rice syrup Rosemary Saffron Sage Salt Savory Soy sauce Spearmint Sugar - brown, white Tamari Tamarind Tarragon Thyme AvoidCinnamon Cornflour Nutmeg Pepper - ground black and white Vanilla - essence, pod Vinegars - balsamic, cider, distilled, white, herb, malt, red and white wine Condiments

Whilst there aren't any highly beneficial condiments for the O negative blood type diet plan, you can use the ones that are neutral for you in moderation, making sure they're low-fat and low-sugar. Best is to use olive oil, lemon juice and garlic.

Neutral

Jam (from the fruits that are beneficial as mentioned earlier) Jelly (from acceptable fruits) Mustards Salad dressing (low-fat and from beneficial and neutral ingredients) Worcestershire sauce AvoidKetchup Mayonnaise Pickles - Branston, dill, kosher, sweet, sour Relish Herbal Teas

Herbal teas are very healing and promote strengthening of the digestive and immune system when had rightly.

Highly Beneficial

Cayenne Chickweed Dandelion Fenugreek Ginger Hops Linden Lime leaf Parsley Peppermint Rose hip Sarsaparilla NeutralCatnip Chamomile Chinese angelica Elderflower Ginseng Green tea Hawthorn Horehound Liquorice root Mullein Raspberry leaf Sage Scullcap Spearmint Thyme Valerian Vervain Yarrow AvoidAlfalfa Aloe Burdock root Coltsfoot Cornsilk Echinacea Gentian Golden seal Red clover Rhubarb Senna Shepherd's purse St. John's wort Strawberry leaf Yellow dock Other Beverages

A bit of wine and lager is allowed in moderation for O negative blood types. If you're habituated to drinking coffee, it's best to cut down slowly as this is bound to make your stomach quite acidic.

Highly Beneficial

NeutralLager Wine - red, rose, white AvoidCoffee - decaffeinated, regular Distilled spirits Soda - cola, diet, others Tea - black, decaffeinated, regular Bringing the acceptable ingredients together, you can always come up with your own diet plan. There are some elaborately explained recipes along with the kinds of dietary supplements that O blood types require. Dr. D'Adamo's book also mentions about all other blood types and a more in-depth insight. By the end of it, it is up to you to know what foods work best for you and which don't. As Voltaire has rightly said - "Nothing would be more tiresome than eating and drinking if God had not made them a pleasure as well as a necessity."

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