Some common side effects of B12 shots include mild soreness where you got the injection, feeling dizzy, or having a headache
Distinct from classical GH signaling (experimental): Research suggests minimal stimulation of IGF-1 and limited activation of pathways typically driven by full-length growth hormone
NAD+ has been shown to reduce inflammation, which is a key contributor to the experience of pain
Hydroxocobalamin 1mg intramuscular injections reactivate metabolic pathways after chronic deficiency, potentially causing temporary symptoms during adjustment Common side effects include injection site pain, headaches, and nausea, typically resolving within 2472 hours Rapid red blood cell production may increase demand for folate and iron, occasionally creating relative deficiencies in these co-factors Serious reactions requiring urgent assessment include difficulty breathing, chest pain, severe weakness, or progressive neurological symptoms Recovery follows a predictable pattern: blood cell improvement within 35 days, haemoglobin normalisation over 12 months, neurological recovery potentially taking several months Table of Contents Why Do I Feel Worse After My B12 Injection