Re: What's the best assimilable form(s) of calcium supplement? Recommendations?

>> "And calcium requires magnesium, and a whole lot of other nutrients, to function properly, especially for bones. Yet magnesium can interfere with phosphatase."

>>>I know you understand this with that statement... the feed back loop that the body uses to help maintain some sense of homeostasis. This is but one of thousands of examples that include vitamins such as the B vitamins that can dramatically >>>affect mineral metabolism as can C, etc. etc. (any acid can affect an alkaline substance vis versa) it is all connected... with the body's feedback loops, and everything functioning properly, a mineral in over abundance will cause the body to >>>switch off need for that mineral and switch on the need for one or more of its antagonists through signals.
>>>

Not really. For example look at an over consumption of phosphorus. What happens? The body does not switch off its need for phosphorus. Instead the parathyroids release parathyroid hormone to break down bone tissue to raise calcium levels. This is not because there was a calcium deficiency in the blood. It is a perceived calcium deficiency from the high phosphorus. And the higher serum calcium now leads to problems including high blood pressure, constipation, muscle cramping, bronchial contraction, etc.

>> "protein blocks calcium absorption"

>>>A blanket statement that is partially incorrect IMO.

Actually a well known fact in Science and medicine. This is why vitamin D is added to milk, to help compensate for the protein's calcium absorption blocking action. Keep in mind though that again I am talking about free calcium, not chelated forms found in plants.

>>>Normal intake of proteins, fats and acidic foods promote calcium absorption... over consumption promotes malabsorption first, and then loss, if the over >>>consumption continues.

Actually that is really oversimplified, and not quite true. What is "normal" is very speculative. And both proteins and fats slow down digestion and can inhibit the absorption of many nutrients. This is why we are hungry a few hours after consuming a readily digestible and absorbed high carbohydrate diet. Yet, if we eat a hard to digest meal high in fats and proteins that also greatly slow down digestion and absorption we are still full for many more hours.

And eating acidic foods does not equate to better absorption. I can take calcium with rhubarb or chocolate that are high in oxalic acid and it is not going to allow me to absorb the calcium. Instead I will form insoluble calcium oxalate, which cannot be utilized by the body. And what if I take an acidic food with something like ginger, which is a strong antacid. So what you are referring to would be only in very ideal situations of only taking the calcium with acids that will not form insoluble salts and in a meal with nothing alkaline to neutralize the acids.

As for the NPK, herbicides and pesticides I don't buy any of that at all, and I addressed it in my last post.


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