Multiple choice general knowledge science & technology What is the chemical name of Vitamin B3 ? Retinoids Ariboflavinosis Pyridoxal Niacin Reveal answer Fill a bubble to check yourself D Correct answer Explanation Vitamin B3 is known as niacin or nicotinic acid. It's crucial for DNA repair and cholesterol regulation. Pyridoxal is Vitamin B6, and ariboflavinosis is a B2 deficiency disease.