Let's cut to the chase: Ferrous Fumarate is the old reliable of the iron world.
It's not the newest form. It's not the most bioavailable (bisglycinate wins that trophy). It's not the gentlest on the stomach (bisglycinate again). But here's what it is: cost‑effective, stable, well‑studied, and officially recognized by every major pharmacopoeia on the planet (USP, EP, BP). That's a lot of credentials for one reddish‑brown powder.
We make it by reacting iron with fumaric acid - the same fumaric acid that's part of your body's Krebs cycle (energy production). The result is a fine powder that packs about 33% elemental iron by weight. That's a lot of iron in a small dose. Good for formulation. Less good if you spill it on a white counter.
Ferrous Fumarate has been keeping people's hemoglobin numbers up for decades. It's the iron of choice in many generic supplements, prenatal vitamins, and clinical protocols - not because it's fancy, but because it works and it's affordable.
So if you're looking for a no‑nonsense, proven, pharmacopoeia‑grade iron powder that won't break your budget, welcome to Ferrous Fumarate. It's the steel‑toed boot of iron supplements: not elegant, but exactly right for the job.
Specification: 98.0% – 101.0% (USP/EP/BP compliant)
Sample: Sample Available
Test method: Titration / ICP-MS / USP method
Synonyms: Iron(II) fumarate, Ferrous fumarate, Fumaric acid iron(II) salt
MOQ: 1 KG | Package: 1kg/foil bag, 25kgs/drum
Certificate: HACCP, ISO 22000, HALAL, GMP, USP/EP/BP
Molecular Formula: FeC₄H₂O₄ | CAS: 141-01-5
Product Characteristics
Appearance
High Elemental Iron Content
Good Stability
Pharmacopoeia Compliant
Particle Size
GMP Manufacturing
COA (Certificate of Analysis)
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Benefits of Ferrous Fumarate Powder
01High Elemental Iron per Gram
At 33% iron, you can make smaller tablets/capsules than with gluconate or bisglycinate. Smaller pills = easier to swallow = happier customers.
02Supports Hemoglobin Production
Iron is the core of hemoglobin. Hemoglobin carries oxygen. Oxygen keeps you from feeling like a zombie. Do the math.
03Well‑Studied & Trusted
Ferrous Fumarate is in countless clinical trials, pharmacopoeias, and supplement brands. No one is going to ask "what's that?" - because it's a known quantity.
04Cost‑Effective
More affordable than chelated forms like bisglycinate. If you're making a high‑volume, price‑sensitive product, this is your friend.
05Works with Vitamin C
Vitamin C reduces ferric to ferrous and forms a soluble complex. Always recommend pairing them.
06Stable & Predictable
No oxidation drama. No special storage conditions. Just reliable iron, batch after batch.
Application Fields
Dietary Supplements: Tablets, capsules, and chewables for general iron support. The classic choice for over‑the‑counter iron supplements.
Prenatal Vitamins: Ferrous Fumarate is widely used in prenatal formulations because it delivers high iron per tablet - important when the pill is already full of other nutrients.
Generic Iron Supplements: Cost‑effective and meets pharmacopoeia specs. The go‑to for value‑oriented brands.
Clinical Nutrition: Used in hospital settings and medical foods. Familiar to doctors and pharmacists.
Multivitamin Blends: Works well in multi‑formulations. Just be mindful of competition with calcium and zinc.
Food Fortification (Technical Grade): Used in some food fortification programs, though sensory challenges require careful formulation.
Production Process
Product Quality Advantage
33% Elemental Iron – High iron density for smaller tablets.
USP/EP/BP Compliant – Pharmacopoeia‑grade quality.
Good Stability – No oxidation drama.
Cost‑Effective – Affordable without cutting corners.
Full Traceability – Batch-specific COA and stability data.
cGMP Certified – Quality you can trust.
Annual Capacity: 1,500 Tons | 15+ years of ingredient production expertise
Professional ODM/OEM Services
We deliver end-to-end ODM/OEM solutions for Ferrous Fumarate products. From concept to finished bottle - we've got you covered.
① Cooperation Models
OEM: Reproduce your formula with guaranteed consistency.
ODM: Complete formulation, development, and compliant manufacturing.
② Key Process
Analysis & Design: Custom solutions based on your needs.
Prototyping: Sample development using advanced tech.
Production: Certified manufacturing with rigorous QC.
Customizable finished products: Ferrous Fumarate tablets, prenatal iron + folic acid capsules, iron + vitamin C capsules, private label ferrous fumarate powder, multi‑mineral blends.
Export Certificates
Why choose us
XI'AN LANDNUTRA CO., LTD. – Your Trusted Manufacturer of Antioxidant & Functional Ingredients. Rooted in Quality, Driven by Expertise, Committed to Health and Excellence.
Strong Production Capability: Annual capacity 1,500 tons. 15+ years experience, own facility.
Leading Service: ONE-STOP OEM/ODM from pre-sales to after-sales.
Quality Assurance: CQC-certified enterprise, purity embedded in every process.
Broad Market: Botanical Extracts, Cosmetic Ingredients, Functional Ingredients.
Fifteen years of making mineral powders. cGMP‑certified. Pharmacopoeia‑compliant. And we actually answer the phone. Novel concept, we know.
FAQ
| Test Item | Specification (USP) | Test Result | Conclusion |
|---|---|---|---|
| Appearance | Reddish-brown to reddish-grey powder | Conforms | Pass |
| Assay (as Fe) | 32.0% – 34.0% | 33.1% | Pass |
| Fumaric Acid Content | 65.0% – 67.0% | 66.3% | Pass |
| pH Value (1% slurry) | 3.5 – 5.0 | 4.2 | Pass |
| Water Content (KF) | ≤ 1.5% | 0.8% | Pass |
| Chlorides (as Cl) | ≤ 0.1% | <0.05% | Pass |
| Sulfates (as SO₄) | ≤ 0.1% | <0.05% | Pass |
| Heavy Metals (as Pb) | ≤ 10 ppm | <5 ppm | Pass |
| Ferric Iron (as Fe³⁺) | ≤ 2.0% | 1.1% | Pass |
| Total Plate Count | ≤ 1,000 cfu/g | <100 cfu/g | Pass |
| Yeast & Mold | ≤ 100 cfu/g | <10 cfu/g | Pass |
| E. Coli / Salmonella | Negative | Negative | Pass |
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