can b12 injections be given subcutaneously Optimal Injection Sites for Maximum Absorption and Benefits Vitamin B12 Injection Sites: All

Folate metabolism can be impaired by 2 different polymorphisms of MTHFR: MTHFR 677CT + MTHFR 1298AC = lowest MTHFR activity MTHFR 677C/T is associated with a significant decrease of MTHFR enzymatic activity that can reach up to 70% in homozygous (MTHFR T/T), while the heterozygous (C/T) genotype has a 35% decreased activity

The timeline on how long peptides take to work depends on what the treatment is intended to do

Get one injection dosage daily or on alternate days as suggested by the doctor

Those with a deficiency may notice an increase in their level of energy after supplementation

however, in 2010 it was reported that low bioavailability precluded further development