Scientists have documented that iron absorption efficiency can vary by as much as 400% depending on timing alone. This dramatic difference explains why many individuals experience persistent ...

If you take an iron supplement at the wrong time, your body may not absorb enough of the mineral. Foods, medications, other supplements, and certain health conditions can affect iron absorption.

To further optimize iron absorption, Swick says the best time of day to take your iron supplement is in the morning. This is because iron is tightly regulated by a peptide hormone called hepcidin.

For example, one study found that eating an iron-rich meal with 1000 milligrams of vitamin C increased iron absorption from 0.8 to 7.1%.

How to boost iron absorption: Besides longer cooking times, pairing high-iron foods with vitamin C is the best way to increase iron absorption in the body. This can be done through supplements or ...

Adding one simple, accessible herb to your smoothies can increase iron absorption and your overall well-being. Related:Too Much—and Too Little—of This Nutrient May Increase Your Colon Cancer ...

Tannins reduce absorption of non-heme iron, found in whole grains, nuts, seeds, legumes and leafy greens. Most herbal teas do not have tannins. Camellia sinensis, the tea plant, contains tannins.

Specific nutrients also enhance mineral bioavailability. Vitamin C, for example, improves non-heme iron absorption by converting it from ferric (Fe³⁺) to the more absorbable ferrous (Fe²⁺) form.

Advice Dear Doctor: 3 main causes of low iron levels are diet, absorption, and iron loss Published: Jun. 21, 2024, 6:10 a.m.