Many people who take B-vitamin supplements are concerned about the uncomfortable "niacin flush," a temporary reddening and warming of the skin. This sensation is specifically associated with nicotinic acid (a form of vitamin B3). ALG Pharma VitalGold B complex uses niacinamide instead. Niacinamide is a widely used form of vitamin B3 in supplements because it performs the same metabolic functions without triggering the histamine release that causes flushing. This makes it a comfortable option for those who have experienced irritation with other B-complex products or who wish to avoid the temporary skin changes entirely. The product provides 100% of the nutrient reference value for niacin in this non-flushing form, ensuring you receive the full benefit for energy metabolism and nervous system support without the side effect.