a few years ago, a blood test showed i was low on vitamin d. **ask a dietitian.** i'm not educated in nutrition. but i would say these are necessary for vegans. i listed what i take. vitamin d - deva vegan vitamin d3 magnesium - now foods magnesium veg. capsules omega 3 - deva vegan omega 3 iodine - morton iodized salt. morton co. says it's vegan b12 - now foods b12 lozenges other b vitamins - anthony's nutritional yeast. other supplements: nature's way dgl licorice now foods l-glutamine now foods silymarin now foods vitamin c tablets deva nutrition and now foods are good companies. but not all of their supplements are vegan. sometimes i take a turmeric & ginger capsule, instead of aspirin, advil, aleve, etc.