# Iron Tartrate

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/iron-tartrate
**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 complex

## Overview

Iron tartrate is an iron salt compound formed by combining iron with tartaric acid, theoretically designed to provide supplemental iron. However, no clinical trials have established its effectiveness or safety profile for iron deficiency treatment.

## Health Benefits

• No clinically proven health benefits - no human trials identified in available research
• Potential iron supplementation - theoretical benefit as an iron salt, but no specific evidence
• No documented therapeutic effects - research limited to chemical structure data
• No established medical uses - DrugBank lists the compound but notes no detailed applications
• Insufficient evidence - all potential benefits remain unsubstantiated by clinical research

## Mechanism of Action

Iron tartrate theoretically releases elemental iron in the digestive tract through dissociation of the iron-tartrate bond. The released iron would then follow standard iron absorption pathways via divalent metal transporter 1 (DMT1) and ferroportin in intestinal enterocytes. The tartaric acid component may theoretically enhance iron solubility, though this mechanism remains unproven in clinical settings.

## Clinical Summary

No human clinical trials have been conducted specifically on iron tartrate supplementation. Available research is limited to chemical characterization and structural analysis studies. Unlike other iron salts such as ferrous sulfate or ferrous gluconate, iron tartrate lacks documented efficacy data for treating iron deficiency anemia. The absence of clinical evidence makes it impossible to establish therapeutic dosages or compare its bioavailability to proven iron supplements.

## Nutritional Profile

Iron tartrate is an iron salt of tartaric acid, providing elemental iron (Fe²⁺/Fe³⁺) as its primary micronutrient contribution. Elemental iron content varies by salt ratio, but iron tartrate typically yields approximately 20-25% elemental iron by molecular weight (based on ferrous tartrate: Fe molecular weight 55.85 g/mol within total MW ~203.94 g/mol). As an iron salt, it theoretically contributes bioavailable iron for hemoglobin synthesis and enzymatic function. The tartrate anion (derived from tartaric acid, C₄H₆O₆) is a naturally occurring organic acid found in grapes and wine. Bioavailability data specific to iron tartrate is absent from clinical literature; however, organic iron salts generally demonstrate moderate bioavailability compared to ferrous sulfate (the reference standard at ~20% absorption). The tartrate component may modestly improve solubility in gastric conditions relative to inorganic iron salts. No established serving size, RDA contribution percentage, or macronutrient content is documented — this compound is characterized primarily through its chemical structure rather than nutritional profiling studies.

## Dosage & Preparation

No clinically studied dosage ranges have been established for iron tartrate, as no human trials are available. Commercial products specify iron content (~20% Fe in ferric forms) but lack dosing guidance. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Safety profile remains undefined due to lack of clinical testing in humans. Theoretical side effects would mirror other iron supplements, including gastrointestinal upset, constipation, and potential iron overload with excessive intake. Iron supplements generally interact with antibiotics, [thyroid](/ingredients/condition/hormonal) medications, and calcium supplements by reducing absorption. Pregnant women should avoid iron tartrate specifically due to insufficient safety data, despite iron being essential during pregnancy.

## Scientific Research

No human clinical trials, randomized controlled trials, or meta-analyses specifically on iron tartrate were identified in the available sources. The research consists solely of chemical structure and property data from PubChem and DrugBank databases, with no linked PubMed citations or clinical studies.

## Historical & Cultural Context

No historical or traditional medicine uses for iron tartrate are documented in the available sources. The research focuses exclusively on chemical properties without mention of use in traditional systems like Ayurveda or Traditional Chinese Medicine.

## Synergistic Combinations

Vitamin C (ascorbic acid) is the most well-established iron absorption enhancer, reducing Fe³⁺ to the more absorbable Fe²⁺ form and chelating iron to prevent inhibitory compound formation — pairing 25-100mg ascorbic acid with iron salts can increase non-heme iron absorption by 2-4 fold. L-lysine (500mg range) has been shown to enhance iron absorption through competitive inhibition of inhibitory polyphenol binding at intestinal absorption sites, making it a useful co-factor. Folic acid (vitamin B9) pairs synergistically because both iron and folate address overlapping pathways in red blood cell production and anemia prevention — iron supports hemoglobin synthesis while folate enables erythrocyte maturation, creating complementary hematopoietic support. Copper (as copper gluconate or bisglycinate, ~1-2mg) is essential for ceruloplasmin activity, which oxidizes Fe²⁺ to Fe³⁺ for transferrin binding and cellular iron transport, meaning copper deficiency directly impairs iron utilization regardless of iron intake.

## Frequently Asked Questions

### Is iron tartrate better than ferrous sulfate?

No evidence supports iron tartrate's superiority over ferrous sulfate. Ferrous sulfate has extensive clinical validation for treating iron deficiency, while iron tartrate lacks human trials demonstrating effectiveness or bioavailability.

### What is the recommended dosage of iron tartrate?

No established dosage exists for iron tartrate due to absence of clinical studies. Standard iron supplementation typically provides 18-65mg elemental iron daily, but iron tartrate's elemental iron content and absorption rate remain uncharacterized.

### Can iron tartrate cause stomach upset?

While no specific data exists for iron tartrate, iron supplements commonly cause nausea, constipation, and abdominal discomfort. Iron tartrate would theoretically carry similar gastrointestinal risks as other iron salts.

### Is iron tartrate safe during pregnancy?

Safety during pregnancy is unknown due to lack of human studies. Pregnant women should use clinically proven iron supplements like ferrous sulfate rather than unvalidated forms like iron tartrate.

### How does iron tartrate compare to iron bisglycinate?

Iron bisglycinate has clinical evidence showing better tolerability and absorption compared to traditional iron salts. Iron tartrate lacks any comparative studies or established bioavailability data to make meaningful comparisons.

### What is the chemical composition of iron tartrate and how is it made?

Iron tartrate is a chemical compound formed by binding iron with tartaric acid, creating an iron salt with specific molecular properties. The tartrate component is derived from tartaric acid, a naturally occurring organic acid found in grapes and tamarinds. This particular formulation is designed to improve iron's stability and potential absorption characteristics compared to some other iron salts. However, research specifically validating its chemical advantages in human supplementation remains limited.

### Does iron tartrate have any documented side effects beyond stomach upset?

Beyond gastrointestinal discomfort, iron supplements in general can cause constipation, nausea, or darkened stools due to unabsorbed iron in the digestive tract. Iron tartrate specifically has not been extensively studied for a comprehensive side effect profile in clinical trials. High doses of any iron supplement carry risks of iron overload (hemochromatosis) in susceptible individuals, though this is rare with standard supplementation. Individuals with iron storage disorders should consult healthcare providers before using any iron supplement.

### Why is iron tartrate used in supplements if there is limited research supporting it?

Iron tartrate is included in formulations because tartaric acid may theoretically enhance iron's solubility and stability in supplement products, potentially improving shelf-life and consistency. The tartrate salt form is generally recognized as safe (GRAS) for use in dietary supplements, though this safety designation does not confirm efficacy. Manufacturers may select this form based on manufacturing convenience, cost considerations, or historical use rather than robust clinical validation. Consumers should be aware that its selection does not necessarily indicate superior performance compared to more extensively researched iron forms.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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