b12 injections self administered Ivy Grove Surgery : Self-administration of injection Vitamin B12 Injection - Self

Vitamin D, too, contributes to reducing fatigue, especially in individuals who may be deficient

2 In comparison with other B vitamins, B 12 is not synthesized by animals, fungi, or plants

The deficiency rate at a cutoff of less than 211 pg/mL (156 pmol/L) at admission to a long-term care facility, according to one study, was 14%, and 38% of these older adults had levels lower than 407 pg/mL (300 pmol/L) [44]

And you dont have to worry about getting too much because its been reported that there are no reports of adverse effects associated with excess B12 intakebut thats not true

Metabolic endophenotype and related genotypes are associated with oxidative stress in children with autism

This study did not include the use of testosterone