In the normal state, blood has no business anywhere except in the confines of the heart and blood vessels and in the sinusoids of the marrow, liver, and spleen. Of the average 5 L of blood, only 2.25 L, or 45%, consists of cells.
Take-away: Calcium and magnesium may best be taken in the evening with food or before nighttime sleep. Since zinc should not be taken with calcium and apart from iron, it is most useful if taken earlier in the day either slightly before/after food. Iron should ideally be taken on an empty stomach and separately from other multivitamin/multimineral combinations.
Common Uses of Zinc. The metallic chemical element Zinc is one of the most widely-used metals across the world. Zinc is found in many everyday items, and it is also an essential mineral for the human body.However, zinc-based products are not always safe, and they can actually cause zinc poisoning if the element is somehow ingested or absorbed into the body. One common product with zinc is denture cream.inc is found in many everyday items, and it is also an essential mineral for the human body. However, zinc-based products are not always safe, and they can actually cause zinc poisoning if the element is somehow ingested or absorbed into the body.