Excess niacin fuels inflammation, cardiovascular disease through newly discovered pathway. Cleveland Clinic researchers have identified a new pathway that contributes to cardiovascular disease associated with high levels of niacin, a common B vitamin previously recommended to lower cholesterol. The team, led by Stanley Hazen, M.D., Ph.D., discovered a link between 4PY, a breakdown product from … Continue reading Warning: High Levels of Niacin (Vitamin B3) Linked to Heart Disease