injection vitamin b12 use Dosage Best Vitamin B12 Injection Site:

SERM, selective estrogen receptor modulator

While its best-known role is in erythropoiesis (red blood cell formation), its also involved in: DNA synthesis Regeneration of bone marrow, GI lining, and respiratory tract lining Nervous system development and maintenance (11) Prevention of anemia Although a B12 deficiency isnt as common as vitamin D or even folate, it still happens

Who might it not be right for Pregnant or breastfeeding individuals (data very limited)

Biochemical Pharmacology 147:141-152

Nevertheless, the consistent theme in patient before-and-after photos and reports is an improvement in skin firmness and hair quality over a period of weeks to months