C-cells in the thyroid produce calcitonin, a hormone that helps regulate calcium levels
NAC's ability to cross the blood-brain barrier makes it a promising supplement for cognitive health support, allowing it to deliver antioxidant benefits directly to brain tissue
Guarino MP, Afonso RA, Raimundo N, Raposo JF, Macedo MP: Hepatic glutathione and nitric oxide are critical for hepatic insulin-sensitizing substance action
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Hereditary defects in production of the transcobalamins and their receptors may produce functional deficiencies in B12 and infantile megaloblastic anemia, and abnormal B12 related biochemistry, even in some cases with normal blood B12 levels
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