On the recommendation of someone here, I tried this
magtein.com/. I don't know if it helped my heart, but I sure got sharper in the brain function. I could say an entire sentence. LOL! I just did the recommendation on the bottle. Same with the CoQ10 - I did the recommendation on the bottle. But, I am very sensitive to vitamins, minerals, and herbs. You might have to start there and see if it is enough.