How Much B12 Is Safe
Values below approximately 170250 pgmL 120180 picomolL for adults 5 indicate a vitamin B12 deficiency. Vitamin B12 is a water-soluble vitamin which means its generally safe at high doses. Vitamin B12 And The Vegan Diet Today S Dietitian Magazine The RDI for vitamin B12 ranges from 24 mcg for adults to 28 mcg for breastfeeding women. How much b12 is safe . For older adults who are already deficient taking one milligram of vitamin B12 daily for a month has been shown to reverse the deficiency and appears to be safe and without side effects. Consulting with your health care provider about the best dosage for your specific needs is recommended. During pregnancy that can be increased to 26 mcg and up to 28 mcg while breastfeeding. Still not sure how much B12 you should be taking. Theres no upper threshold due to its low levels of toxicity but you should still be careful. With the RDA at only 24 mcg for healthy adults taking 5000 mcg just creates expensive urine. It is