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2. Vegan nutrition - Wikipedia

   en.wikipedia.org/wiki/Vegan_nutrition

   The German Society for Allergology and Clinical Immunology (DGAKI) position paper on vegan diets in 2023 noted that "to ensure an adequate supply of vitamin B12, but also of calcium, iron, iodine, zinc, as well as high-quality protein and long-chain omega-3 fatty acids (EPA/DHA), an in-depth study of the subject of nutrition, time investment ...

3. Vitamin B12 deficiency - Wikipedia

   en.wikipedia.org/wiki/Vitamin_B12_deficiency

   Treatment should take into account the cause and severity of the condition. [6] Treatment is done by vitamin B 12 supplementation, either by mouth or by injection. [3] Initially in high daily doses, followed by less frequent lower doses, as the condition improves. [3] If a reversible cause is found, that cause should be corrected if possible. [11]

4. Human nutrition - Wikipedia

   en.wikipedia.org/wiki/Human_nutrition

   The Recommended Dietary Allowance (RDA) for vitamin B12 is 0.9-2.4 μg/day, while the estimated average requirement in the U.S. and Canada is 0.7-2 μg/day. Elderly individuals with plasma vitamin B12 levels below 148 pmol/L are considered severely deficient, and those with levels between 148 and 221 pmol/L are marginally deficient.

5. Healthy diet - Wikipedia

   en.wikipedia.org/wiki/Healthy_diet

   The requirements for a healthy diet can be met from a variety of plant-based and animal-based foods, although additional sources of vitamin B12 are needed for those following a vegan diet. [4] Various nutrition guides are published by medical and governmental institutions to educate individuals on what they should be eating to be healthy.

6. Vegetarian nutrition - Wikipedia

   en.wikipedia.org/wiki/Vegetarian_nutrition

   A variety of vegetarian, and more specifically vegan, foods. Vegetarian nutrition is the set of health-related challenges and advantages of vegetarian diets.. Appropriately planned vegetarian diets are healthful and nutritionally adequate for all stages of the human life cycle, including during pregnancy, lactation, infancy, childhood, and adolescence. [1]

7. Vegetarian Diet Pyramid - Wikipedia

   en.wikipedia.org/wiki/Vegetarian_Diet_Pyramid

   According to the 2010 Dietary Guidelines for Americans, healthful diets contain the amounts of essential nutrients and energy needed to prevent nutritional deficiencies and excesses. Healthful diets also provide the right balance of carbohydrates, fat, and protein to reduce risks for chronic diseases, and they are obtained from a variety of ...