In regards to Bud factor x I think you might want to take at this link. I am sure there is magnesium in it, but the main active ingredient is chitosan. ..it is not written on the packaging anywhere...I just did a search on DIY Bud Factor X and they talk about this "secret" ingredients in the following link, I was just wondering if you knew the concentration the recipe they suggest.https://youtu.be/pKJHTNY-j38