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Comment · Mon, August 12, 2019

Absorption of calcium and magnesium taken simultaneously?

Original post in this thread

sligfy · 6 points

I know that calcium and magnesium compete for absorption and that it's best to spread them out.

However, it's still super convenient to put a bunch of magnesium in my dairy-based smoothie. So I consume magnesium and calcium together in every sip. The amount of magnesium in my smoothies is roughly equal to the amount of calcium.

Is it reasonable to assume that I absorb approx half of the magnesium that I would if I took without calcium?

What they were answering

amemento · 1 points

Are there any studies on magnesium transport across the BBB for the different chelate forms, Micromag and Magtein?

I tried finding threonic acid alone but couldn't find a source except for alibaba(which I guess for something simple? as threonic acid shouldn't require third party testing?), have you got any suggestions?

u/MisterYouAreSoDumb

Everything requires 3rd party testing. Threonic acid is not common on its own. It's mostly used as an intermediate, which is why you don't see it. I am considering offering it as a standalone product, though.

I am not aware of a study directly comparing relative BBB transport between threonate and glycinate, but I see no reason why they would be different. Both threonic acid and glycine pass the BBB just fine, as does elemental magnesium.

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