b12 injection demonstration Shot: Step-by-Step Guide for Self-Injection B12 Shot Demonstration & Information
Description
High doses of supplemental B3 (niacin) Additionally, high doses of B6 Another side effect of B-complex supplements is that they can turn your urine bright yellow

Similarly, women who are breastfeeding should avoid NAD+ injections, since it is unknown whether the exogenous NAD+ could affect the nursing infant or alter milk composition
Injections can help restore proper neurological function and prevent long-term damage
Meets USP standards

Food and Nutrition Bulletin
The short answer is: it depends on where you go
