Ferrous Gluconate Capsules are a gentle, highly bioavailable oral iron supplement, delivering approximately 12% elemental iron per dose in a convenient capsule format. Designed for the prevention and treatment of iron deficiency anemia, this formulation offers superior gastrointestinal tolerance compared to ferrous sulfate, making it ideal for sensitive populations including pregnant women, children, and the elderly. Each capsule provides precise, standardized iron content with excellent stability and compatibility with other nutrients such as vitamin C (for enhanced absorption) and folic acid (for prenatal support). Available in both hard capsules and softgels with custom dosages (10–50 mg Fe), our Ferrous Gluconate Capsules are manufactured under strict GMP, Halal, Kosher, and ISO 22000 standards, with full COA, stability data, and regulatory documentation to support global market access.

Product Characteristics
High Bioavailability – Gentle on the stomach, well-absorbed, ideal for sensitive groups (pregnant women, children, elderly).
Precise Dosing – Standardized iron content per capsule (10–50 mg elemental Fe), customizable to target populations.
Excellent Stability – Resists oxidation under normal storage – long shelf life and consistent potency.
Versatile Formats – Available in hard capsules or softgels; supports custom colors, sizes, and blister or bottle packaging.
Formulation Friendly – Compatible with Vitamin C (absorption enhancer), Folic Acid (prenatal), B12, Zinc, and other nutrients.
Clean Profile – Gluten-free, allergen-free, non-GMO – suitable for clean label positioning.
Benefits Of Ferrous Gluconate Capsules
1.Gentle on the Stomach – Well‑tolerated with fewer GI side effects than ferrous sulfate – ideal for pregnant women, children, and the elderly.
2.High Bioavailability – Effectively raises iron stores with consistent absorption, supported by clinical data.
3. Precise & Standardized Dosing – Each capsule delivers a fixed elemental iron content (10–50 mg), ensuring predictable efficacy and easy formulation.
4. Excellent Stability – Resists oxidation under normal storage; long shelf life reduces inventory risk.
5. Formulation Versatility – Compatible with Vitamin C (absorption booster), Folic Acid (prenatal), B12, Zinc, and other nutrients for combination products.
6. Clean Label Ready – Gluten‑free, allergen‑free, and non‑GMO – meets consumer demand for transparency.
Application Fields
1.Dietary Supplements – Daily iron supplementation for preventing and treating iron deficiency anemia in adults, pregnant women, children, and the elderly.
2. Prenatal & Maternal Nutrition – Combined with folic acid to support fetal development and maternal iron stores – gentle on the stomach.
3. Pediatric & Adolescent Nutrition – Mild iron support suitable for children and teenagers with sensitive digestive systems.
4. Senior Nutrition – Reduces constipation and GI discomfort, improving compliance in older populations.
5.Sports Nutrition – Enhances oxygen‑carrying capacity and endurance – ideal for endurance athletes and high‑intensity training.
Production Process

Product Quality Advantage
High Purity – Ferrous gluconate assay 97–102%, elemental iron ~12% with tight batch control.
Strict Safety – Heavy metals: Pb≤2 ppm, As≤3 ppm, Hg≤1 ppm – meets global pharmacopoeia.
Long Shelf Life – Excellent oxidative stability; 24‑month shelf life under normal storage.
Clean Microbiology – Total plate count, yeast/mold, and pathogens well within international limits.
Full Compliance – GMP, Halal, Kosher, ISO 22000 certified with complete traceability.
Flexible Customization – Dosage (10–50 mg Fe), capsule color, size, and packaging options available.


Annual Capacity: 1,500 Tons | 15+ years of GABA expertise
Professional ODM/OEM Services
Your Brand, Powered by Gentle Iron – Backed by Landnutra.
We provide full OEM/ODM manufacturing for finished products using Ferrous Gluconate Capsules as the active delivery system – from concept to commercial delivery, all under one roof.
① Finished Dosage Forms
Capsules – 10 mg, 25 mg, 50 mg elemental iron (as ferrous gluconate); vegetarian or gelatin shells; custom bottle or blister packaging.
Tablets – Direct compression or chewable tablets; round/oval shapes with debossing.
Softgels – Liquid-filled for enhanced absorption and stability.
Powder Stick Packs – Single‑serve blends with Vitamin C, folic acid, or B-complex for enhanced absorption and comprehensive nutrition.
Gummies & Chews – Sugar‑free, natural fruit‑flavored iron gummies – ideal for children and adults.
Functional Beverages – Ready‑to‑drink iron‑fortified shots and powdered drink mixes for on‑the‑go wellness.
Oral Liquid Drops – Concentrated iron drops for pediatric and geriatric use.
② Classic Compound Formulas
Iron + Vitamin C – Enhanced absorption and immune support.
Iron + Folic Acid – Prenatal nutrition and neural tube defect prevention.
Iron + Vitamin B12 – Energy metabolism and red blood cell formation.
Iron + Zinc – Immune function and cognitive health.
Iron + Multivitamin – Comprehensive daily wellness blends.
③ Additional Services
Flavor masking, sweetener optimization, third‑party certifications (Kosher, HALAL, NSF, Informed Sport), accelerated stability studies, full regulatory dossier compilation.
For a tailored Ferrous Gluconate Capsules quotation or OEM project discussion, reach our team at Email: wangjing@landnutra.com or WhatsApp: +86 18092657549 – we respond within one business day with complete technical data and a sample.
Export Certificates

Our brand Landnutra owns full international certifications including GMP, ISO 22000, HACCP, HALAL and Kosher. Each shipment comes with batch-specific COA, MSDS and third-party heavy metal & microbial test reports. All documents are verified and export-ready to facilitate seamless global customs clearance.
Why choose us
XI'AN LANDNUTRA CO., LTD. - Your Trusted Manufacturer of Fermentation‑Derived Neuro‑Actives. Rooted in Quality, Driven by Expertise, Committed to Health and Excellence.
Strong Production Capability: Annual capacity 1,500 tons of amino acids; 15+ years of fermentation expertise, own facility.
Leading Service: ONE‑STOP OEM/ODM from pre‑sales to after‑sales.
Quality Assurance: CQC‑certified enterprise; HPLC, ICP‑MS, and microbiological testing embedded at every stage.
Broad Market: Amino Acids, Neuro‑Actives, Sports Nutrition Ingredients.
Our brand Landnutra also supplies complementary calming and cognitive ingredients under the same quality system - including L‑Theanine powder for focused relaxation, Magnesium Glycinate powder for muscle ease, and Phosphatidylserine powder for cognitive sharpness. Combine sourcing for your full nootropic and sleep platform. As experienced GABA powder manufacturers, we deliver scalable supply from 1‑kg samples to multi‑ton bulk orders. For wholesale GABA bulk nutrients powder inquiries, latest GABA bulk nutrients powder price list, or to request a free sample, contact us at wangjing@landnutra.com or WhatsApp: +86 18092657549.
FAQ
| Test Item | Specification | Typical Result | Test Method |
|---|---|---|---|
| Appearance | Hard capsules; contents yellowish-grey to pale greenish-yellow powder | Conforms | Visual |
| Assay (Elemental Iron, mg/capsule) | 95.0% – 105.0% of label claim | 98.5% – 101.2% | Titration / USP method |
| Content Uniformity (A+2.2S) | ≤ 15.0 (USP) | < 5.0 | Content uniformity test |
| Dissolution (30 min) | ≥ 80% of label claim | 92% – 98% | Dissolution apparatus (pH 1.2 → 6.8) |
| Loss on Drying | ≤ 5.0% | 2.3% – 3.8% | Loss on drying / Karl Fischer |
| Heavy Metals (Lead) | ≤ 2 μg/g (or ≤2 ppm) | < 0.5 ppm | ICP‑MS |
| Heavy Metals (Arsenic) | ≤ 3 μg/g | < 0.5 ppm | ICP‑MS |
| Heavy Metals (Mercury) | ≤ 1 μg/g | < 0.1 ppm | ICP‑MS |
| Total Plate Count | ≤ 1,000 CFU/g | < 100 CFU/g | Plate count method |
| Yeast & Mold | ≤ 100 CFU/g | < 10 CFU/g | Plate count method |
| E. Coli / Salmonella | Negative | Negative | Microbial limit test |
Hot Tags: ferrous gluconate capsules, China ferrous gluconate capsules manufacturers, suppliers

