does b12 injections make you tired Vitamin B12: Symptoms, Dosage & Toxicity Risks Why Do I Feel Worse

Glaser K, Girschick HJ, Schropp C, Speer CP

Why Vitamin B12 Matters for Nerve Health Vitamin B12 (cobalamin) is an essential water-soluble vitamin required for: Myelin repair (protective coating around nerves) Neurotransmitter function DNA synthesis & cellular repair Red blood cell formation & oxygen delivery The body cannot manufacture B12 , and deficiency is common especially among older adults, vegans/vegetarians, people with absorption disorders, and those taking drugs like metformin

3) If calcium intake is high, regularly monitor the blood and calcium level

The peptide mobilizes fat, but you need to burn it through activity