HEALTH AID VITAMIN B3 X90 TABLETS is a B vitamin used to treat vitamin deficiencies as well as hyperlipidemia, dyslipidemia, hypertriglyceridemia, and to reduce the risk of myocardial infarctions. Health Aid Vitamin B3 acts to decrease levels of very low density lipoproteins and low density lipoproteins, while increasing levels of high density lipoproteins.