Is a daily 1,000 mcg dosage of vitamin B12 safe?
It’s pretty safe to take a daily vitamin B12 dosage of 1,000 mcg from supplements, but it isn’t necessary. Once a week is better!
dosage
What’s the maximum safe dose of vitamin D from supplements?
The upper recommended daily dosage of vitamin D is 4,000 IU. But, deficient people can take dosages up to 10,000 IU.
