Exactly what I was going to say. I might add that you need all your B vitamins also. The easiest thing to do is drink a protein shake that has most of these in it, then just add the extra D3, quercetin etc... I drink Spiru-tein every day for lunch. It has most everything you need in it which keeps things simple. Add any fruit to it to your taste and have extra fiber also-win, win.

Exactly what I was going to say. I might add that you need all your B vitamins also. The easiest thing to do is drink a protein shake that has most of these in it, then just add the extra D3, quercetin etc... I drink Spiru-tein every day for lunch. It has most everything you need in it which keeps things simple. Add and fruit to it to your taste and have extra fiber also-win, win.

Exactly what I was going to say. I might add that you need all your B vitamins also.