what is the best vitamin supplement for vegetarians?
['Vitamin B12. Foods often touted to be rich in vitamin B12 include unwashed organic produce, mushrooms grown in B12-rich soils, nori, spirulina, chlorella, and nutritional yeast. ... ', 'Vitamin D. ... ', 'Long-chain omega-3s. ... ', 'Iodine. ... ', 'Iron. ... ', 'Calcium. ... ', 'Zinc.']