High levels of niacin linked to heart disease, new research suggests >>> https://www.nature.com/articles/s41591-023-02793-8 >>> Excess amounts of vitamin B3, which is found in meat, fish, nuts, and fortified cereals and breads — may trigger inflammation and damage blood vessels >>> https://www.nbcnews.com/health/heart-health/high-levels-niacin-may-increase-heart-disease-risk-know-b-vitamin-rcna139249 >>> The recommended daily allowance of niacin for men is 16 mg per day and for women 14 mg per day