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Timing/spacing out consumption of minerals so that they don't interfere with each other? (Will the calcium in my milk interfere with the copper in my liverwurst?)

by (396)
Updated about 5 hours ago
Created February 12, 2014 at 8:44 PM

So I've heard some vague discussion about how some minerals can interfere with the absorption of other minerals. Eg, calcium can block the absorption of iron.

I've heard some say that you only have to worry about this when taking SUPPLEMENTAL forms of these minerals- ie, your body would handle calcium found in milk differently than it would calcium found in a tablet of Citracal.

I've been on a big (whole, grass-fed, organic, unhomogenized) milk kick lately, and I don't want the calcium in it to reduce the absorption of other minerals I'm eating.

How big of an issue is this? What minerals can calcium interfere with? (And what other mineral vs mineral absorption issues should we worry about?). How important is meal timing with regard to these minerals? Should I avoid washing down my steak or liverwurst with a glass of milk, since it might interfere with the iron or copper, respectively? Does calcium interfere with copper?

43873f3cea4f22f91653b0f5ec7ab9d9
396 · February 13, 2014 at 12:42 AM

I agree; I've put a lot of thought into my paleo lifestyle, having gone from very strict to now a very, very relaxed approach. The food timing thing is the only thing I'm possibly overthinking in my lifestyle. Worrying about food timing is not productive, and I realize such an issue is probably approaching diminishing returns- but I would put up with "milk timing" if it could make a difference. The liverwurst I buy is a bit expensive, and I mainly eat it for the copper (also vitamin A), so I don't want to "waste" it if the calcium in the milk negates the copper.

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787 · February 12, 2014 at 8:50 PM

I've often wondered this myself, if i should eat everything separately, like if my massive salad with some meat & drenched in fats will stop me getting the water soluble vitamin C from the veggies etc... but i think its quite natural to save the days gatherings, throw it all together & chow down

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2 Answers

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5650 · February 12, 2014 at 11:05 PM

i dont focus on this at all and my bloodwork is good.

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208 · February 12, 2014 at 9:42 PM

Life is too short to be getting this bogged down with eating timing. I can understand if you are taking prescription meds and want to be clear of issues with those interfering with supplements and real food.

43873f3cea4f22f91653b0f5ec7ab9d9
396 · February 13, 2014 at 12:42 AM

I agree; I've put a lot of thought into my paleo lifestyle, having gone from very strict to now a very, very relaxed approach. The food timing thing is the only thing I'm possibly overthinking in my lifestyle. Worrying about food timing is not productive, and I realize such an issue is probably approaching diminishing returns- but I would put up with "milk timing" if it could make a difference. The liverwurst I buy is a bit expensive, and I mainly eat it for the copper (also vitamin A), so I don't want to "waste" it if the calcium in the milk negates the copper.

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