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Supertopics:
Blood Vessel Health
Nutrients Lacking in Vegan Diets
Vitamin B12 (Cobalamin)
Vegans Need Vitamin B12 Supplements
Subtopics:
Vegans Need Vitamin B12 Supplements Miscellany
Vegan Stroke Risk May Be from Low Vitamin B12
Nori Seaweed as Vitamin B12 Source