Nutritional Considerations
Raw vegans must ensure that their intake of vitamin B12 is adequate, since it does not occur reliably in plant foods. Vitamin B12 deficiency can have serious consequences such as anemia and neurodegenerative disease. The Vegan Society and Vegan Outreach, among others, recommend that vegans either consistently eat foods fortified with B or take a B supplement. Tempeh, seaweed, spirulina, organic produce, soil, and intestinal bacteria have not been shown to be reliable sources of B for the dietary needs of vegans.
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