Inadequate secretion of intrinsic factor, resulting from lesions that destroy the gastric mucosa (which can be caused by ingestion of corrosives, extensive tumors, and conditions associated with gastric atrophy, such as multiple sclerosis, certain endocrine disorders, iron deficiency, and subtotal gastrectomy) Structural lesions leading to vitamin B 12 deficiency, including regional ileitis, ileal reactions, and malignancies Competition for vitamin B 12 by intestinal parasites or bacteria
346 Moreover, mounting evidence has shown that NAD + -dependent sirtuins can extend the lifespan of yeast, worms, flies and mice and alleviate many diseases of aging-related pathologies
Espinosa E, Murray T
Shiri Levy, a board-certified physician who specializes in managing disorders of the thyroid, parathyroid, pituitary and adrenal glands, lipids, osteoporosis and diabetes
What conditions or symptoms can IV therapy help with
Commonly reported reactions in human studies are generally mild to moderate gastrointestinal issues, including nausea, vomiting, and diarrhea
