Biotin WHAT IS BIOTIN? You may know vitamin B7 under its more familiar name, BIOTIN, which has long been used to support optimal hair and skin health. But did you know that biotin is also known as “vitamin H”, from the German words "Haar" and "Haut," meaning hair and skin? Of course, biotin offers a lot more to health. So what is biotin exactly? https://www.nationalnutrition.ca/vitamin-b/single-b-vitamins/biotin.html #BIOTIN