Also indexed as:Ferrous Sulfate
Interactions with Supplements, Foods, & Other Compounds
Many foods, beverages, and supplements have been shown to affect the absorption of iron.110
Foods, beverages and supplements that interfere with iron absorption include
Foods and supplements that increase iron absorption include
Although vitamin C increases iron absorption,136, 137, 138, 139 the effect is relatively minor.140
Although soy protein has been shown to decrease iron absorption (see above), certain soy-containing foods (e.g. tofu, miso, tempeh) have significantly improved iron absorption.143 Some soy sauces may also enhance iron absorption.144
Alcohol, but not red wine, has been reported to increase the absorption of ferric, but not ferrous, iron.145, 146
Iron has been reported to potentially interfere with manganese absorption. In one trial, women with high iron status had relatively poor absorption of manganese.147 In another trial studying manganese/iron interactions in women, increased intake of "non-heme iron"--the kind of iron found in most supplements--decreased manganese status.148 These interactions suggest that taking multiminerals that include manganese may protect against manganese deficiencies that might otherwise be triggered by taking isolated iron supplements.
Interactions with Medicines
Certain medicines interact with this supplement.
Types of interactions:beneficial= Beneficialadverse= Adversecheck= Check
The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers' package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a supplement with your doctor or pharmacist.
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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2016.