What Are Compound Ingredients and Why Should You Care?

Continuing with our vitamin and mineral series, in today’s blog post I will be discussing compound ingredients and the labelling requirements that apply to them. I’ll begin with the admission that I only learned about compound ingredients in vitamins and minerals very recently while developing a new product that I hope to have with you later this year.  I had never given much thought to them before then – I think I just assumed that vitamin B1 powder was made only of vitamin B1, that vitamin C powder was made only of vitamin C, and that magnesium citrate powder was made only of magnesium citrate.  Beyond the vague notion that they must be made in some sort of laboratory by chemists, I had really never considered that vitamins and mineral powders might themselves be made with other ingredients.  I suppose I thought of them as being extracted from things rather…