I can't speak for coral calcium or ultra 7, but MGN 3 should be on every cancer patients list. Why? Because a cancer patients immune system is under terrible duress and MGN 3 'encourages' the NK cells to working harder (a lot harder -between 100 to 300% harder). Also, it does this without overstimulating your immune function.
With the boost to your immune system, your body can begin the process of healing; and this is especially important if you have opted for conventional treatments -chemothapy, in its numerous forms, rides rough-shod over your immune system, doing incredible amounts of damage -I'm sure most of you, as I, have seen this first hand.
Boosting your immune system, then, is incredibly important. Remember though, that due to way chemotherapy works, many/most of your white cells are destroyed by it; this product, and others like it, work on the existing NK cells, so it is probably more cost effective to begin after your chemo has finished. That said, because chemo is only 'so' effective against most cancers, you should not neglect for one moment the role your immune system will play in your successful recovery. I would do it throughout, and look for other ways to promote your health too.
Conrad :)