injectable b12 1000 mcg Vitamin B-12 mcg/ml, 500 ml but a deficiency may occur in certain health conditions (e.g. Nature Made Vitamin B12 1000

If you have a B-12 deficiency, it can be more challenging to lose weight, and you might feel sluggish or tired, so B-12 injections can help boost your energy and metabolism.

Most people can prevent vitamin B12 deficiency by eating foods that have vitamin B12

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

B12 shots are usually safe