and patients with pernicious anemia who have optic neuropathy COBALAMIN (Vitamin B12) Deficiency Causes Vegetarians (dietary deficiency) Older adults: atrophic gastritis affects 10% 30% and leads to decrease in hydrochloric acid secretion in the stomach and decreased absorption of Vitamin B12 The liver can store up to six years worth of Vitamin B12 so deficiencies are rare Effects of deficiency Megaloblastic anaemia (pernicious anaemia) Progressive demyelination of nerve cells Elevation in levels of circulating homocysteine that leads to production of defective collagen and elastin with a negative impact on arteries, bone and skin Deep vein thrombosis is associated with homocysteinemia that causes the activation of the intrinsic coagulation cascade Symptoms include fatigue, weakness, constipation, loss of appetite and weight loss Numbness, tingling of the feet imbalance, depression, confusion, dementia, poor memory and glossitis

What is the recommended dose for a vitamin B12 (B12) injection?
What If I Get Persistent Injection Site Welts or Nodules
B12 injections provide cyanocobalamin, a form of vitamin B12, to help treat or prevent low B12 levels
AHK-CU COPPER PEPTIDE, 8% CONCENTRATION: This water-based scalp serum is built on AHK-Cu, a less common copper peptide than the widely used GHK-Cu, and a costlier one to source
Hydroxocobalamin and cyanocobalamin are eliminated unchanged by the kidneys