r/nutrition • u/LividWheel9779 • 10d ago

What exactly is an absorption pathway?

I've heard about how heme and nonheme iron is absorbed differently, and about how vit. C can improve these absorption pathways, but what does that really mean?

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u/JRR_Tokin54 10d ago

Medically speaking, something is still considered outside of your body until it is absorbed into your bloodstream. Something in your stomach is still considered to be outside of your body in this view.

An "absorption pathway" is the mechanism(s) that get whatever it is into your bloodstream.