For managing any reaction or unexpected outcome, the Complications Consultant gives access to clinical support, and practitioners who want formal sign-off on technique can do so through accredited training academies
Additionally, a randomized, double-blind, placebo-controlled trial in 2,588 healthy older adults with mild hyperhomocysteinemia found that daily supplementation with 500 g of vitamin B 12 and 400 g of folic acid for two years reduced blood homocysteine concentrations but had no benefit on depressive symptoms in those with or without depressive symptoms at baseline (110)
This is why cross-checking your calculation with a second researcher before the first injection is standard protocol in institutional settings
Some people may have mild side effects, such as redness, swelling, or tenderness at the injection site
Regarding conversion, we can cite only a manufacturers claim saying that EAC is metabolized in the skin into pure ascorbic acid (and the ascorbic acid content of EAC is very high - 86,4% - compared to the usual 50-60% Vitamin C content of other derivatives)