What is it? You might be thinking what Niacinamide, I have never heard of it before. It is a type of vitamin B-3 nutrient that is present in our everyday lives in various ways, shapes, and forms.Niacinamide helps our bodies regulate healthy kidneys and brains. Niacinamide, or more commonly known as a B-3 deficiency, can lead to serious health complications but we will not be talking about those today.  Niacinamide is most commonly knows for the benefits it has for our skins. You might have seen or known some people who are quite old and nearing retirement age very soon. However, when you see them in the whole you say…