Organic/inorganic minerals, minerals interactions, salts/ions/colloids and supplements?

Hi everyone,

I have read a lot of things regarding health (including this forum) these last months and I have found a lot of different theories about minerals, I would like to discuss a bit about it with you because I am quite confused and lost:

First of all it seems that we can find minerals in 3 forms: Salt or crystal, ionic and colloidal.
Then it is said that the body can only use organic minerals, that's too say minerals that are chelated (bond to a protein) like in plants or animals and that inorganic minerals like in supplements are just a waste for the body.
I've read too that there is an interaction in the absorption of minerals, so if you supplement with a mineral let's say Iron alone, you will deplete your body in Zinc or if you supply Magnesium you will deplete your body in Calcium.
Or maybe this interaction/antagonism theory is just saying that if you eat a food with some calcium and magnesium in it, if the ratio is too high in magnesium no calcium will be absorbed in your bowels?
I've read too that a bad liver/bile flow/stomach acid/gut flora/gut permeability/lymphatic congestion/cell walls will impair mineral utilisation and absorption by the cells...

So I need your knowledge on these topics please.
For supplements like iodine, Colloidal Silver (which is said to be a toxic heavy metal that the body doesn't use), Miracle-Mineral-Supplement and salts.
A lot of people are saying that salt are toxic just because they are not balanced in minerals but that celtic salt, himalayan salt are good, but when you look at the ratios of minerals in these salts they seem not good at all... But on this forum a lot of people seems really to love the Himalayan salt so I'm very curious.

About supplementation, people say that nowadays the soils are depleted in a lot of minerals due to intensive agriculture (and we are depleted due to SAD) so we should supplement mainly in: magnesium, iodine, boron, molybdenum, copper.
But the measurements in foods by labs are merely arbitrary and random no? Or is the level determined by the DNA of the plant? (in that case what about Epigenetics). What about Kervran's transmutations too?

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