Carlyle Vitamin B12 100 mcg is a good option. As we noted earlier, the risk of toxicity with vitamin B12 is low because it’s water soluble. That being said, if you’re only slightly deficient ...

This product from Nordic Naturals provides 250 mcg of vitamin B12 in each capsule, along with an assortment of other essential B vitamins like niacin, folate, and biotin. Opting for a B complex ...

Vitamin B12 is a powerhouse nutrient—essential for healthy nerves, brain function, and red blood cell production. But deficiency is becoming increasingly common, especially among vegetarians. Symptoms ...

The recommended daily intake of Vitamin B12 varies by age and condition, with adults generally needing 2.4 mcg per day, while pregnant and breastfeeding women require 2.6–2.8 mcg.

In some countries, vitamin D is listed in micrograms, and the relationship is as follows: 2.5 mcg (micrograms) = 100 IU. 5 mcg = 200 IU. 10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU.