b12 injection with syntrhoid Compounded Hydroxocobalamin (Vitamin B12) B12 Shots - ProMD Health
Description
The effect of folate fortification on folic acid-based homocysteine-lowering intervention and stroke risk: a meta-analysis

Butaphosphan in combination with Cyanocobalamin (Vitamin B12) acts as a metabolic stimulant, roborant, and tonic

Bioavailability of oral formulations is typically 1-3% compared to near 100% for subcutaneous injection

For patients without absorption disorders, high-dose oral supplements of 1,000 to 2,000 mcg daily have been shown to be comparably effective at correcting mild to moderate deficiency at lower cost and greater convenience.

There are others as well
