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As a 2026 review noted, the original composition-of-matter patents "have likely expired reducing the commercial exclusivity that typically incentivizes industry-sponsored Phase II and III development" [13]
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
However, the accuracy of the BAC test depends on the proper maintenance and calibration of the equipment
Vitamin C: Known for its immune-boosting properties, Vitamin C helps fight infections, reduces inflammation, and promotes overall health
Zhao F, Zai X, Zhang Z, Xu J, Chen W
