standard b12 injection dose Vitamin 3000, 100 mL Optimal Vitamin B12 Dosage and

If your vitamin B12 deficiency is not caused by a lack of vitamin B12 in your diet, youll usually need to have an injection of B12 (hydroxocobalamin) every 2 to 3 months for maintenance

The injection also has other uses to note for

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Many users find that metabolic benefits persist for several weeks after discontinuing treatment, suggesting lasting improvements in cellular function

1,360 mcg DFE (800 mcg) offolinic acid, a methyl-free form of folate

the product is sterile, non-pyrogenic, with pH 4.57.0 per manufacturing specification