# Iron Tartarate

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/iron-tartarate
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Mineral
**Also Known As:** Ferrous tartrate, Ferric tartrate, Iron(II) tartrate, Iron(III) tartrate, Tartaric acid iron salt, Iron tartaric acid chelate, C₄H₆FeO₆, C₁₂H₁₂Fe₂O₁₈, Chelated iron tartrate

## Overview

Iron tartarate is a chelated iron supplement that combines ferrous iron with tartaric acid to enhance absorption. The tartaric acid acts as a chelating agent, forming stable complexes that may improve iron bioavailability compared to standard iron salts.

## Health Benefits

• Iron supplementation for nutritional support (evidence quality: not specified in available research)
• Enhanced mineral bioavailability through tartrate chelation (evidence quality: theoretical basis only)
• Potential iron deficiency support (evidence quality: no clinical trials provided)
• May support normal iron [metabolism](/ingredients/condition/weight-management) (evidence quality: no specific studies cited)
• Possible improved absorption compared to other iron forms (evidence quality: no comparative data available)

## Mechanism of Action

Iron tartarate works through chelation, where tartaric acid forms coordinate bonds with ferrous iron ions, creating a stable complex that protects iron from precipitation in alkaline conditions. This chelated form may bypass some absorption inhibitors in the intestinal tract and facilitate transport across intestinal epithelial cells. Once absorbed, iron is incorporated into hemoglobin, myoglobin, and iron-containing enzymes involved in cellular [energy production](/ingredients/condition/energy).

## Clinical Summary

Limited clinical research exists specifically for iron tartarate compared to other iron forms. Most evidence supporting its use comes from general iron supplementation studies and theoretical chelation chemistry principles. No large-scale randomized controlled trials have directly compared iron tartarate to ferrous sulfate or other standard iron supplements. The evidence for enhanced bioavailability remains primarily theoretical, based on chelation chemistry rather than human clinical trials.

## Nutritional Profile

Iron Tartarate is a chelated mineral salt compound formed by the coordination of iron (Fe) with tartaric acid (L-tartaric acid, C4H6O6). Primary active constituent is elemental iron, typically present at approximately 20-24% elemental iron by molecular weight in the ferrous tartrate form (FeTaO4·nH2O). The compound exists predominantly in the ferrous (Fe²⁺) oxidation state, which is the physiologically preferred form for intestinal absorption via DMT-1 (divalent metal transporter-1) in the duodenum and upper jejunum. Tartrate ligand contributes organic acid character (tartaric acid backbone) which maintains iron in solution at higher pH ranges compared to inorganic iron salts such as ferrous sulfate, theoretically improving solubility in the alkaline environment of the small intestine. No meaningful macronutrient contribution (negligible protein, fat, or carbohydrate content at supplemental doses). No dietary fiber content. No vitamin content inherent to the compound itself. Bioavailability is theoretically enhanced compared to ferric (Fe³⁺) salts due to chelation maintaining solubility, though direct comparative clinical bioavailability data versus ferrous sulfate or ferrous bisglycinate is limited in published literature. Tartrate component is metabolized via normal organic acid pathways and does not accumulate. Typical supplemental doses deliver 15-65 mg elemental iron per serving depending on formulation context.

## Dosage & Preparation

No clinically studied dosage ranges for iron tartrate were found in the available research. Standardization information and dose-response data are not available. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Iron tartarate may cause typical iron supplement side effects including nausea, constipation, stomach upset, and dark stools. It can interact with tetracycline antibiotics, [thyroid](/ingredients/condition/hormonal) medications, and proton pump inhibitors, reducing their absorption. Concurrent use with calcium, zinc, or magnesium supplements may decrease iron absorption. Pregnant women should consult healthcare providers before use, as iron needs increase during pregnancy but excessive intake can be harmful.

## Scientific Research

The available research dossier contains no human clinical trials, randomized controlled trials, or meta-analyses evaluating iron tartrate efficacy or safety. The only referenced study is from 2013 in Acta Crystallographica focusing on iron(II) citrate coordination polymers' structural properties rather than clinical outcomes.

## Historical & Cultural Context

No information regarding traditional or historical use of iron tartrate in medicine systems was provided in the available research sources.

## Synergistic Combinations

Vitamin C, folic acid, vitamin B12, copper, vitamin B6

## Frequently Asked Questions

### What is the typical dosage of iron tartarate?

Standard iron tartarate dosages typically range from 18-65 mg of elemental iron daily for adults. The exact amount of elemental iron varies by product, so checking the supplement label for elemental iron content is essential for proper dosing.

### Is iron tartarate better absorbed than ferrous sulfate?

Theoretical evidence suggests iron tartarate may have improved absorption due to chelation, but no direct clinical trials have proven superior bioavailability over ferrous sulfate. Most comparative absorption studies focus on other chelated iron forms like iron bisglycinate.

### Can iron tartarate cause stomach upset?

Yes, iron tartarate can cause gastrointestinal side effects including nausea, stomach pain, and constipation, similar to other iron supplements. Taking it with food may reduce stomach irritation but can also decrease absorption efficiency.

### Should iron tartarate be taken with vitamin C?

Taking iron tartarate with vitamin C (ascorbic acid) can enhance iron absorption by converting ferric iron to the more absorbable ferrous form. A dose of 100-200 mg vitamin C with iron supplements is commonly recommended for optimal absorption.

### How long does it take to see results from iron tartarate?

Iron levels typically begin improving within 2-4 weeks of consistent supplementation, with hemoglobin levels showing measurable increases after 4-6 weeks. Complete restoration of iron stores may take 3-6 months depending on the severity of deficiency and individual absorption rates.

### Does iron tartarate interact with common medications?

Iron tartarate may interact with certain medications, including tetracycline and fluoroquinolone antibiotics, which can reduce antibiotic absorption when taken simultaneously. Thyroid medications, bisphosphonates, and levodopa may also have reduced effectiveness if taken with iron supplements due to chelation effects. It is recommended to separate iron tartarate intake from these medications by at least 2 hours to minimize potential interactions. Consult with a healthcare provider before combining iron tartarate with prescription medications.

### Who should avoid taking iron tartarate supplements?

Individuals with hemochromatosis, thalassemia, or other iron overload conditions should avoid iron tartarate supplementation without medical supervision, as excess iron can accumulate in tissues and cause damage. People with active gastrointestinal ulcers or inflammatory bowel diseases may experience worsening symptoms and should consult a healthcare provider before use. Those with a history of iron poisoning or certain genetic iron metabolism disorders should also avoid supplementation without professional guidance.

### What is the difference between iron tartarate and other iron supplement forms?

Iron tartarate is a chelated form of iron bound to tartaric acid, which theoretically may enhance absorption compared to non-chelated forms like ferrous sulfate or ferrous fumarate. Unlike some iron forms that require acidic stomach conditions for optimal absorption, tartrate chelation may allow for absorption across a wider pH range in the digestive tract. However, direct clinical evidence comparing iron tartarate's bioavailability to other forms is limited, making it difficult to definitively establish superiority over alternatives.

---

*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
*License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*