Essential for Vegans and Vegetarians Vitamin B12 is primarily found in animal-based foods such as meat, fish, eggs, and dairy
Faster Absorption Bypasses the digestive tract, making injections useful for low dietary intake, absorption issues, or medications that reduce B12 uptake
But having a low B12 level or a vitamin B12 deficiency can cause physical, neurological and psychological issues
At times the needle can hit a small blood vessel causing a small amount of bleeding under the skin This causes a bruise to appear which resolves over a few days
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
