dosage for b12 injection VITAMIN Vitamin B12 Monthly Injection: Typical
Description
[2] Risk factors may occur possibly more in elderly people due to impaired intestinal absorption, and in children, premenopausal women, and pregnant women, whose diets are low in animal foods

Since everyone biology varies, trying both peptides at different times can help identify which works better for a specific person

2 A licensed provider reviews it

"Serum vitamin B12 concentrations and atrophic gastritis in older New Zealanders"
