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Originally Posted by senior citizen
Heme iron comes from animal products, whereas, non-heme iron is found in plants.
The human body regulates non-heme iron absorption, keeping us safe from the ill effects of iron overload.
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Great information! A plus for vegans/vegetarians.
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Heme iron is less easily regulated, and as such, can be problematic as it is absorbed faster, and in higher quantities, than non-heme iron.
Excess iron is one of the culprits behind several degenerative diseases, including, but not limited to, arthritis, diabetes, cancer, and heart disease.
[Also] Iron accumulates in the brain as people age and is often implicated in neurodegenerative disease as a result.
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I was wondering what this has to do with B12, but now I think I understand: If one relies on eating a lot of meat to get their B12, they put themselves at risk for lots of degenerative diseases as they age. Very good point.