Strong evidencevitamin
Niacin for High Blood Pressure
Increases prostaglandin-mediated vasodilation and improves lipid profile, reducing LDL and triglycerides while raising HDL.
How strong is the research?
Strong evidence
Based on a meta-analysis of multiple studies — the highest level of research evidence.
How much to take
500–2000 mg
Prescription niacin more studied than OTC. Monitor liver function at doses above 1500 mg/day.
When to take it
Best taken: with food