define glutathione Glutathione: Benefits and Supplements Glutathione for the skin |

The NIH states that the following are the average daily recommended amounts of B12 for different age groups: Infants 06 months: 0.4 microgram Infants 712 months: 0.5 microgram Toddlers 13 years: 0.9 microgram Children 48 years: 1.2 micrograms Children 913 years: 1.8 micrograms Adult men and women over age 14: 2.4 micrograms Women who are pregnant: 2.6 micrograms Women who are breastfeeding: 2.8 micrograms Here are some tips for how to choose the vitamin B12 dosage that is right for you: If you know that you are deficient in B12, you may need to take a high dose to begin with, up to 10,000 micrograms per day in some cases, to bring your levels up

The frustrating part is that most guides skip the details

Front Endocrinol (2020) 11:25

The peptide portion, GHK, has a strong affinity for copper ions