pfizer b12 injection Compounded Methylcobalamin (Vitamin B12) Injection, 5mg/mL Vitamin B12 Injection for Weight
Description
Huang ZH, Espiritu DJ, Uy A, Holterman AX, Vitello J, Mazzone T
Endocrinology 135 , 10661072 (1994)
Cent Eur J Immunol
The exception involves individuals with specific genetic variants in the MTHFR, MTR, or MTRR genes that impair B12 metabolism
Theres no official frequency guideline
