can you take folic acid with b12 injections Vitamin and Folate Together? (11 Benefits Explained) – WhyNotNatural Folic Acid and Vitamin B12:

Each one is a growth hormone-releasing peptide, and both support your body's own signaling rather than replacing it

Supplementation with trimethylglycine (betaine) at 12g daily or SAMe (S-adenosylmethionine) at 400800mg daily can offset potential methyl donor depletion

The injected hydroxocobalamin is transported via the bloodstream to tissues throughout the body, where it acts as a cofactor for two critical enzymatic reactions: the conversion of homocysteine to methionine and the conversion of methylmalonyl-CoA to succinyl-CoA

The honest answer is that vitamin B12 deficiency recovery depends on what caused the low level and how long symptoms have been building

Doses greater than 0.4 mg/day should be avoided until the diagnosis of pernicious anemia is ruled out