{"id":629389,"date":"2024-08-20T09:30:55","date_gmt":"2024-08-20T13:30:55","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=629389"},"modified":"2025-08-03T11:47:11","modified_gmt":"2025-08-03T15:47:11","slug":"o-positive-blood-type-diet-food-list","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/o-positive-blood-type-diet-food-list\/","title":{"rendered":"What is the O positive blood type diet?"},"content":{"rendered":"<p>The blood type diet, created by naturopathic physician Peter D&#8217;Adamo, ND, suggests that eating a diet specifically aligned with one\u2019s blood type can provide benefits such as improved digestion, increased energy levels, disease prevention, and weight loss. In his book <i>Eat Right 4 Your Type<\/i>, he outlines different eating plans for the other blood types: A, B, AB, and O.<\/p>\n<p><span style=\"font-weight: 400;\">Each blood type is <\/span><span style=\"font-weight: 400;\">identified<\/span><span style=\"font-weight: 400;\"> by the presence or absence of certain molecules called antigens on the surface of red blood cells. The basic premise of the diet is that a person\u2019s blood type determines their ability to digest and metabolize certain foods. For example:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Blood Type A:<\/b><span style=\"font-weight: 400;\"> Individuals with type A blood are advised to follow a vegetarian diet or plant-based diet full of fruits, vegetables, whole grains, legumes, and tofu with minimal meat, dairy, and processed foods.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Blood Type B:<\/b><span style=\"font-weight: 400;\"> D\u2019Adamo recommends lean meat, fish, dairy products, fruits, vegetables, and whole grains for this blood type. Corn, chicken, wheat, and lentils should be avoided, according to his suggestions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Blood Type AB: <\/b><span style=\"font-weight: 400;\">People with AB blood are advised to consume a combination of type A and B foods, such as tofu, seafood, dairy, fruits, vegetables, and whole grains.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Blood Type O:<\/b><span style=\"font-weight: 400;\"> Individuals with the O blood type are recommended to eat a high-protein diet incorporating lean meats, fish, and protein while limiting grains, dairy, and legumes.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Additionally, D\u2019Adamo says that people with O positive blood should incorporate a variety of fruits and vegetables, especially dark leafy greens, into their diet. Healthy fats like olive oil are preferred for cooking and salad dressing. However, research supporting these claims is limited.<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/blood-types\/\"><b>What does your blood type mean for your health?<\/b><\/a><\/p>\n<h2 id=\"what-is-the-best-diet-for-o-positive-blood\"><span style=\"font-weight: 400;\">What is the best diet for O positive blood?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Dr. D\u2019Adamo claims that your blood type impacts how you react to proteins called lectins that are found in certain foods, causing digestive and hormonal issues. He also proposes that people with different blood types are susceptible to different chronic diseases, and eating a particular way can help reduce these risks and enhance your overall health. For people with O positive blood, he recommends a high-protein diet that limits grains, beans, and dairy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However,\u00a0 there is no scientific evidence to support this claim; the blood type diet has been largely debunked, says <\/span><a href=\"https:\/\/www.medicalofficesofmanhattan.com\/our-team\/paunel-vukasinov-md\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Paunel Vukasinov, MD<\/span><\/a><span style=\"font-weight: 400;\">, a dual board-certified internist and obesity medicine specialist at the Medical Offices of Manhattan in New York, New York.<\/span><strong><br \/>\n<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">For example, the <\/span><a href=\"https:\/\/www.dietaryguidelines.gov\/sites\/default\/files\/2020-12\/Dietary_Guidelines_for_Americans_2020-2025.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">2020-2025 Dietary Guidelines for Americans<\/span><\/a><span style=\"font-weight: 400;\"> promote a plant-based diet rich in fruits, vegetables, whole grains, and legumes and low in red and processed meats, saturated fats, and alcohol. A private organization with a mission of encouraging plant-based diets, the Physicians Committee for Responsible Medicine, suggests that eating a high-protein, low-carbohydrate diet (high in saturated animal fats) is not ideal due to the <\/span><a href=\"https:\/\/www.pcrm.org\/good-nutrition\/nutrition-programs-policies\/2020-2025-dietary-guidelines\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">increased risk<\/span><\/a><span style=\"font-weight: 400;\"> of health conditions such as Type 2 diabetes, weight gain, and heart disease.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When developing a diet, other important factors to consider are beyond blood type. \u201cNutritional needs vary widely among individuals and are influenced by factors such as age, gender, activity level, health status, medical conditions, and genetic predispositions,\u201d says <\/span><a href=\"https:\/\/entirelynourished.com\/about\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Michelle Routhenstein<\/span><\/a><span style=\"font-weight: 400;\">, a registered dietitian at <\/span><a href=\"http:\/\/entirelynourished.com\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">EntirelyNourished.com<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cUltimately, it\u2019s important to emphasize that choosing a healthy way of eating that best fits your life and that you can stick with for the long-term is the right approach,\u201d says Dr. Vukasinov.<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/rarest-blood-type\/\"><b>What is the rarest blood type?<\/b><\/a><\/p>\n<h2 id=\"foods-for-o-positive-blood\"><span style=\"font-weight: 400;\">Foods for O positive blood<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">According to D\u2019Adamo\u2019s book, the <\/span><a href=\"https:\/\/integrative.ca\/uploads\/Resources-PDF\/Blood-Type-O-Food-List-Dr.-Peter-DAdamo-Integrative-Naturopathic-Vancouver.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">following foods<\/span><\/a><span style=\"font-weight: 400;\"> are mainstays of the O blood type diet, which is gluten-free and high in protein. Intense aerobic exercise is encouraged.<\/span><\/p>\n<h3 id=\"meat\"><span style=\"font-weight: 400;\">Meat<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">D\u2019Adamo believes that lean red meats such as beef, organ meats, and lamb are believed to benefit O positive individuals due to their high protein content. These meats are considered to be easily digestible and provide essential amino acids necessary for <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC9102337\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">muscle growth<\/span><\/a><span style=\"font-weight: 400;\"> and repair. Processed or fatty meats should be avoided, and eggs are neutral.<\/span><\/p>\n<h3 id=\"fish\"><span style=\"font-weight: 400;\">Fish<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Fish rich in omega-3 fatty acids, such as salmon, mackerel, and sardines, is advised by D\u2019Adamo for individuals with an O positive blood type. These <\/span><a href=\"https:\/\/www.uclahealth.org\/news\/article\/diet-rich-in-fatty-fish-good-for-cognitive-function\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">fatty fish<\/span><\/a><span style=\"font-weight: 400;\"> are believed to have anti-inflammatory properties and can help support heart health and brain function. Including fish in your diet can also provide a good source of protein and essential nutrients like vitamin D and B vitamins.<\/span><\/p>\n<h3 id=\"vegetables\"><span style=\"font-weight: 400;\">Vegetables<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">According to D&#8217;Adamo, individuals with O positive blood should focus on consuming a variety of vegetables, especially <\/span><a href=\"https:\/\/www.ars.usda.gov\/plains-area\/gfnd\/gfhnrc\/docs\/news-articles\/2013\/dark-green-leafy-vegetables\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">dark leafy greens<\/span><\/a><span style=\"font-weight: 400;\"> like spinach, kale, and broccoli. These vegetables are rich in vitamins, minerals, and antioxidants. They are believed to support optimal digestion, boost immune system function, and provide essential nutrients for overall health.\u00a0<\/span><\/p>\n<h3 id=\"fruits\"><span style=\"font-weight: 400;\">Fruits<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">D&#8217;Adamo says that individuals with O positive blood should incorporate a variety of whole fruits into their diet, including <\/span><a href=\"https:\/\/www.nature.com\/articles\/s41430-022-01138-x\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">berries, cherries<\/span><\/a><span style=\"font-weight: 400;\">, and <\/span><a href=\"https:\/\/health.clevelandclinic.org\/benefits-of-figs\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">figs<\/span><\/a><span style=\"font-weight: 400;\">. These fruits are believed to provide antioxidants, promote healthy digestion, and support immune function.<\/span><\/p>\n<h3 id=\"olive-oil\"><span style=\"font-weight: 400;\">Olive oil<\/span><\/h3>\n<p><a href=\"https:\/\/www.health.harvard.edu\/nutrition\/is-extra-virgin-olive-oil-extra-healthy\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Olive oil<\/span><\/a><span style=\"font-weight: 400;\"> is a healthy fat option for individuals with O positive blood, according to Dr. Adamo. It is rich in monounsaturated fats, which have heart-healthy benefits. It can also provide anti-inflammatory properties and support brain health. Incorporating olive oil into the diet can help add flavor to meals and provide essential fatty acids.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A sample meal plan on the diet might include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Breakfast: Cooked oatmeal with fresh fruit and walnuts.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lunch: Ground beef patty on a whole grain bun; salad with lemon and olive oil.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dinner: Salmon with brown rice and spinach.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Snacks: Fresh berries and broccoli, pumpkin seeds, or Ezekiel bread.<\/span><\/li>\n<\/ul>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/best-diets-by-health-condition\/\"><b>The best diet for 15 common health conditions<\/b><\/a><\/p>\n<h2 id=\"foods-to-avoid-for-o-positive\"><span style=\"font-weight: 400;\">Foods to avoid for O positive<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Conversely, people with O positive blood should avoid certain foods. D\u2019Adamo says these foods may cause digestive issues, inflammation, and other health problems for individuals with this blood type.<\/span><\/p>\n<h3 id=\"wheat\"><span style=\"font-weight: 400;\">Wheat<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Wheat and wheat products, such as bread, pasta, and pastries, should be limited in the O positive blood type diet. That&#8217;s because wheat contains lectins (plant proteins), which can be beneficial, according to a <\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0733521014000228\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">topic review<\/span><\/a><span style=\"font-weight: 400;\">, but that can interfere with the digestive system of individuals with O positive blood, according to Dr. D\u2019Adamo. He says that lectins contribute to inflammation and digestive issues and interfere with nutrient absorption in the digestive tract.<\/span><\/p>\n<h3 id=\"corn\"><span style=\"font-weight: 400;\">Corn<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Corn is another food that D\u2019Adamo advises limiting in the O positive blood type diet. Similar to wheat, corn contains <\/span><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s00003-019-01261-1\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">lectins<\/span><\/a><span style=\"font-weight: 400;\"> that D\u2019Adamo believes negatively affect individuals with O positive blood.\u00a0<\/span><\/p>\n<h3 id=\"legumes\"><span style=\"font-weight: 400;\">Legumes<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Legumes, including beans, lentils, and peanuts, are also advised to be limited in the O positive blood type diet due to their <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC8618113\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">lectin content<\/span><\/a><span style=\"font-weight: 400;\">. D&#8217;Adamo suggests choosing other protein sources, such as lean meats.<\/span><\/p>\n<h3 id=\"kidney-beans\"><span style=\"font-weight: 400;\">Kidney beans<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Kidney beans are specifically mentioned as a food to be avoided in the O positive blood type diet. They contain a lectin called<\/span> <a href=\"https:\/\/www.sciencedirect.com\/topics\/agricultural-and-biological-sciences\/phytohaemagglutinin\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">phytohemagglutinin<\/span><\/a><span style=\"font-weight: 400;\">, which can be toxic when consumed in large amounts or undercooked. D&#8217;Adamo says this lectin is particularly problematic for individuals with O positive blood.<\/span><\/p>\n<h3 id=\"dairy\"><span style=\"font-weight: 400;\">Dairy<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Dairy products like milk, cheese, and yogurt should be avoided on the O positive blood type diet. D\u2019Adamo says that individuals with O positive blood may have difficulty digesting lactose, the sugar found in dairy products. <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/what-is-lactose-intolerance\/\"><span style=\"font-weight: 400;\">Lactose intolerance<\/span><\/a><span style=\"font-weight: 400;\"> can lead to digestive issues such as bloating, gas, and discomfort. Opting for dairy alternatives such as almond milk, soy milk, or coconut milk is recommended.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\t\t<div class=\"singlecare-dynamic-newsletter-wrapper sin-newsletter-wrapper\">\n\t\t\t<span class=\"heading\">Get our wellness newsletter<\/span>\n\t\t\t<form class=\"form-wrapper\" data-newsletter-form=\"1\" data-subsource=\"Wellness Newsletter\">\n\t\t\t\t<div class=\"input-wrapper\">\n\t\t\t\t\t<label for=\"dynamic-email\">Email<\/label>\n\t\t\t\t\t<input type=\"email\" id=\"dynamic-email\" class=\"email\" required>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"input-wrapper\">\n\t\t\t\t\t<input class=\"submit-form-btn\" type=\"submit\" value=\"Click to sign up\">\n\t\t\t\t<\/div>\n\t\t\t<\/form>\n\t\t\t<p class=\"success-message\" aria-live=\"polite\"><\/p>\n\t\t<\/div>\n\t<\/span><\/p>\n<h3 id=\"caffeine\"><span style=\"font-weight: 400;\">Caffeine<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Caffeine should be limited, as D\u2019Adamo believes that individuals with type O positive blood may be more sensitive to its stimulating effects. <\/span><a href=\"https:\/\/medlineplus.gov\/caffeine.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Excessive caffeine consumption<\/span><\/a><span style=\"font-weight: 400;\"> can lead to increased heart rate, nervousness, and disrupted sleep patterns. D&#8217;Adamo suggests opting for herbal teas or caffeine-free alternatives.<\/span><\/p>\n<h3 id=\"alcohol\"><span style=\"font-weight: 400;\">Alcohol<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Individuals with O positive blood may have a lower tolerance to alcohol and may experience its adverse effects more intensely, according to D\u2019Adamo. <\/span><a href=\"https:\/\/www.niaaa.nih.gov\/alcohols-effects-health\/alcohols-effects-body\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Excessive alcohol consumption<\/span><\/a><span style=\"font-weight: 400;\"> can potentially lead to liver damage, impaired judgment, and other health issues.<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/high-blood-pressure-diet\/\"><b>High blood pressure diet<\/b><\/a><\/p>\n<h2 id=\"supplements-for-o-positive-blood-type\"><span style=\"font-weight: 400;\">Supplements for O positive blood type<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">While the O positive blood type diet primarily focuses on food choices, certain nutrients are recommended for those with type O positive blood. Specific <\/span><a href=\"https:\/\/www.4yourtype.com\/type-o-products\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">supplements<\/span><\/a><span style=\"font-weight: 400;\"> are sold on D\u2019Adamo\u2019s website to address potential deficiencies of the diet, such as:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Prebiotics<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Probiotics<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Multivitamins containing vitamin A, vitamin C, and vitamin B12<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Protein powders<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Digestive enzymes<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seaweed supplements containing vitamin K, vitamin D, and calcium<\/span><\/li>\n<\/ul>\n<h2 id=\"the-science-behind-blood-type-and-diet\"><span style=\"font-weight: 400;\">The science behind blood type and diet<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">But does the blood type diet work? While Peter D&#8217;Adamo&#8217;s theory on blood type and diet is popular, the scientific evidence supporting the relationship between blood type and diet is limited and controversial.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For example, no research supports the idea that certain blood types are more sensitive to caffeine and alcohol or more likely to develop lactose intolerance. And because <\/span><a href=\"https:\/\/www.ifm.org\/news-insights\/is-the-intake-of-lectins-linked-to-health-issues\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">lectins<\/span><\/a><span style=\"font-weight: 400;\"> are highest in raw foods, proper food preparation and cooking methods\u2014like steaming, boiling, soaking, and deseeding\u2014dramatically reduce their lectin content. What\u2019s more, foods containing lectins are sources of important nutrients.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">One <\/span><a href=\"https:\/\/journals.plos.org\/plosone\/article?id=10.1371\/journal.pone.0084749\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">study<\/span><\/a><span style=\"font-weight: 400;\"> found that individuals who followed the blood type A-specific diet experienced improved <\/span><span style=\"font-weight: 400;\">cardiometabolic risk factors like BMI, blood pressure, blood sugar levels, and cholesterol. However, this applied to everyone who followed the diet regardless of their blood type. <\/span><span style=\"font-weight: 400;\">A <\/span><a href=\"https:\/\/ajcn.nutrition.org\/article\/S0002-9165(23)05137-7\/fulltext\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">research review<\/span><\/a><span style=\"font-weight: 400;\"> concluded that no evidence exists to verify the health benefits of eating according to blood type.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The bottom line? \u201c<\/span><span style=\"font-weight: 400;\">The theory that blood type influences optimal diet lacks validated scientific evidence,\u201d says Routhenstein. Following restrictive diet plans based on unsupported theories, such as avoiding entire food groups like dairy or carbs based on blood type, can potentially lead to nutritional deficiencies and abnormal cardiometabolic metrics if not adequately assessed and tailored, urges Routhenstein.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Critically evaluating dietary recommendations is essential to ensure they are supported by science, as unproven fad diets can potentially lead to harmful health outcomes, advises Dr. Vukasinov. \u201cProper evaluation ensures that recommendations support balanced nutrition, providing essential vitamins, minerals, proteins, fats, and carbohydrates necessary for overall health,\u201d he says, adding that recommendations based on rigorous scientific research are more likely to be effective and safe.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">I<\/span><span style=\"font-weight: 400;\">t is important to approach diet and health in a personalized manner and consult with a healthcare provider, such as a registered dietitian, for individualized guidance.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The blood type diet, created by naturopathic physician Peter D&#8217;Adamo, ND, suggests that eating a diet specifically aligned with one\u2019s blood type can provide benefits such as improved digestion, increased energy levels, disease prevention, and weight loss. In his book Eat Right 4 Your Type, he outlines different eating plans for the other blood types: [&hellip;]<\/p>\n","protected":false},"author":135,"featured_media":629395,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"tags":[553],"coauthors":[20608],"class_list":["post-629389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wellness","tag-nutrition","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>O positive blood type diet foods<\/title>\n<meta name=\"description\" content=\"Unlock your O positive blood type diet! 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