Primary Research · 2000
Prediction of dietary iron absorption: an algorithm for calculating absorption and bioavailability
Hallberg and Hulthén · American Journal of Clinical Nutrition, 2000
Key finding
Foundational model for non-heme iron absorption factoring vitamin C, phytates, tannins, and calcium interactions.
Read the paper
Open on PubMedhttps://pubmed.ncbi.nlm.nih.gov/10799384/
Cited in 2 guides
Roundup
Best Multivitamin for Adults Over 50: What to Actually Look For
Over 50, nutrient absorption declines and specific needs change (B12, D, calcium, iron). Most senior multivitamins get it wrong. Here's what to check.
Guide
Iron Supplements Guide 2026: Evidence-Based & Ranked
Learn who needs iron supplements, what bloodwork to get, and which forms won’t wreck your stomach. Covers dosing science most doctors skip.
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