Fiber is essential fuel for all kinds of microbes that produce immune-modulating molecules and neurotransmitter precursors for us. >However, fiber also takes u

Fiber is essential fuel for all kinds of microbes that produce immune-modulating molecules and neurotransmitter precursors for us. >However, fiber also takes up valuable minerals, prohibiting their uptake. I do not think that the situation is as clear cut as you present it. If this were actually a concern, it would be beneficial to extract all nutrients from whole foods and consume them as a pill (vitamin) instead of eating our nutrition. This has not borne out in extensive research despite billions of dollars invested into developing and marketing nutrient supplements.