can b12 injections affect your kidneys Vitamin for Aging and Longevity B12 Shots: Benefits, Uses, Safety,

Reported side effects are generally mild and include temporary gastrointestinal discomfort, headaches during initial use, occasional fatigue as the body adjusts, and rare nausea, especially when taken without food

The exact amount depends on the patients health, how bad the deficiency is, and the doctors advice

They certainly expected this criteria to be immutable though

The advanced protocol should only be implemented after successful tolerance of lower doses and under appropriate medical supervision

When neurological symptoms are present, treatment should be initiated promptly and not delayed pending test results