Visit this site for info: https://www.hsph.harvard.edu/nutritionsource/vitamin-a/#:~:text=RDA%3A%20The%20Recommended%20Dietary%20Allowance,cause%20harmful%20effects%20on%20health. 5000 units is more than you need. 5-MTHF is a form of folic acid.
Answered 2/10/2022
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