The impact of B vitamins on the functioning of methylation cycle in the liver and the kidneys of hyper- and hypothyroid rats.

Unlabelled: Hyperhomocysteinemia is a risk factor for endothelial dysfunction and, consequently, for cardiovascular disease and multiple other conditions. Impairment of homocysteine metabolism is known to occur in thyroid dysfunction. In particular, patients with hypothyroidism have significantly higher homocysteine levels than healthy people.