Question

which vitamin supplement can help reduce ldl blood cholesterol and increase hdl blood cholesterol?
a. niacin
b. folic acid
c. thiamin
d. ascorbic acid

Explanation:

Niacin, also known as vitamin B3, has lipid - modifying effects. It can decrease LDL cholesterol levels and increase HDL cholesterol levels. Folic acid, thiamin, and ascorbic acid do not have these specific cholesterol - modifying properties.

Answer:

A. niacin