b12 injection self administration How To Self-Inject Vitamin B12 Injection - Self
Description
For Lebers optic atrophy or smokers blindness, the usual dose starts at 1000mcg, given daily for 2 weeks, followed by twice weekly

But a monthly 4000 mcg dose would be 4 mL, with the same concentration

It provides additional fat metabolism support without adding hormonal burden

Additionally, individuals with active cancer are generally advised against NAD+ therapy due to theoretical risks of fueling cancer cell metabolism
However, vitamin B12 is often very healthy, and there are limited side effects

fourth bottle covers margin
