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Ferrous Glycinate stands out among iron supplements and food additives for its unique pairing of iron with the amino acid glycine. In the world of raw materials, this combination boosts the stability and solubility of the iron, compared to many other forms. Chemists know it by the formula C4H8FeN2O4, where a ferrous ion attaches to two glycine molecules. Technically, that structure gives it a different absorption profile in the body, making it valuable in nutrition science and food fortification. Instead of relying on iron salts that taste metallic and sometimes upset the stomach, supplement makers prefer this chelated form to smooth out those issues.
Among raw materials used in supplements, Ferrous Glycinate comes in several forms—fine powders, solid granules, even as small crystals or flakes depending on processing methods. In my time in a laboratory, handling this compound means recognizing its pale green to bluish tint, which comes from the presence of ferrous ions. Density averages around 1.8 g/cm3. These values matter because they affect how the material disperses in water or food products and influence mixing or measuring steps during production. Ferrous Glycinate holds together well, without the caking seen in some other iron salts, making large-scale handling more predictable. Bulk density values hover near 0.70 g/cm3, so it packs efficiently in storage and shipping. Unlike liquid iron precursors, this powder’s stability suits a range of temperatures and environments, broadening its appeal in both food and feed industries.
The molecular architecture shows iron in the Fe2+ state, ligated to glycine. Its molar mass sits at 204.97 g/mol. Every batch intended for human or animal consumption should reach a specification of at least 17% elemental iron content, assuring reliable dosing. Purity assessments usually look for limits on heavy metals such as lead, arsenic, or cadmium. In the technical datasheets I’ve reviewed, loss on drying should not exceed 1.0%, while the compound remains insoluble in organic solvents but dissolves cleanly in water, supporting its application as a mineral fortificant. Using the correct HS Code (2915299090 for most customs listings) streamlines import-export paperwork, bringing transparency to global supply chains. I have seen how a mismatch in these codes causes real delays at borders, making this detail crucial in practice.
One reason Ferrous Glycinate draws so much attention lies in its bioavailability. Clinical research spells out that the chelated form absorbs better than basic ferrous sulfate. It sidesteps some of the gut irritation and metallic aftertaste regular iron salts bring to nutritional products. In food fortification projects, especially for staple foods across Asia and Africa, using a form that minimizes reactivity with other ingredients preserves both food flavor and appearance. In animal nutrition, this chelate supports healthier livestock with fewer digestive problems—vets and farmers highlight better outcomes when switching from inorganic iron sources. Formulators have adopted it when manufacturing infant formula, sport nutrition blends, and senior supplements, counting on its stability and consistent dosing.
Ferrous Glycinate, although less reactive than some iron compounds, still qualifies as a chemical that needs respect in handling. It does not form explosive dust, and won’t burn on its own, but contact with strong oxidizers in a large storage facility triggers risks. Inhalation of dust during weighing or mixing causes mild respiratory issues if appropriate PPE such as masks is not worn. Most material safety data outlines mild, reversible irritation on skin or eyes upon contact. Swallowing large amounts during an accident or careless mishandling brings risk of acute iron toxicity—common signs include nausea or vomiting. Keeping this material away from children is essential, despite its role in nutrition. On a professional level, regular monitoring of iron levels in waste and effluent water allows companies to manage environmental impact. Transport regulations set by national and international agencies recognize this balance—non-hazardous at standard shipping levels, yet fully traceable.
Manufacturers producing Ferrous Glycinate need to document raw materials sourcing, purity checks, and end-product quality. In parts of Asia or Europe, food safety authorities require full transparency on heavy metal analysis and trace contaminants. Some regions call out the specific HS Code for tracking, aiming for trade consistency. For finished foods, fortifiers or supplements, batch certification from recognized third-party labs backs up product claims and compliance with standards like ISO or USP for quality assurance. I have watched audits and inspections on production lines—companies that prepare meticulous documentation clear hurdles with less disruption, while those who cut corners face costly recalls and customer mistrust.
Today’s biggest challenge is bringing iron fortification with Ferrous Glycinate to under-served populations while avoiding contamination and health risks. More local manufacturing in low-income countries could streamline access and control quality at source. Investments in better dust collection during handling and more rigorous staff training help prevent accidents. Regulatory agencies can support safe use by harmonizing specification requirements, making it easier for producers to meet standards everywhere, not just in select export markets. Monitoring labs and open reporting on product quality reassure public health agencies, companies, and consumers alike.
