This post covers: What vitamin B12 does in your body and why it matters for women specifically Seven signs that your levels may be low Why Indian women are at particular risk The right tests to ask for Indian food sources and how to get enough Supplementation, and what changes during pregnancy and breastfeeding What Vitamin B12 Does in Your Body Vitamin B12 (cobalamin) performs three functions that, when disrupted, produce a very recognisable set of symptoms
Oral Dosing Runs Higher Injectable: 200 to 500mcg per dose Oral: 500 to 1,000mcg per dose, once or twice daily, taken on an empty stomach Higher oral doses are used to make up for the fact that the gut absorbs the compound poorly compared to injections
Common Causes of Injection Reactions Histamine release from immune cells in the skin Sensitivity to specific peptide structures Minor tissue trauma from the injection Injection volume or concentration Irritation from bacteriostatic water Why Some People React More Than Others Individuals with more reactive immune systems may experience stronger responses
Certificates of Analysis describing analytical testing and batch verification are available to support rigorous biochemical and signaling research
Example for testing Try these sample numbers: First Test: 150 mIU/mL Second Test: 350 mIU/mL Time Gap: 48 Hours Result Your doubling time is 39.3 Hours