Item	Specification
Product Name	Calcium Gluconate
CAS No.	299-28-5
E No.	E578
Appearance	White to off-white crystalline or granular powder
Purity	98.0% – 102.0%
Calcium Content	Approximately 9%
Grade	Food Grade / Supplement Grade
Solubility	Freely soluble in water
Standard	FCC/ USP/ BP/GB17551
Certification	ISO9001, ISO22000, HALAL
Customization	Powder, granules, various mesh sizes available

Calcium Gluconate (CAS 299-28-5, E578) is an organic gluconate salt widely used as mineral fortification ingredient in food, beverages and dietary supplements. It belongs to the gluconate family, together with Ferrous Gluconate, Zinc Gluconate, Magnesium Gluconate and Sodium Gluconate. It features good water solubility and mild gastrointestinal tolerance, ideal for calcium enrichment in liquid drinks, functional food and nutritional supplements. Our Calcium Gluconate meets USP, CP, EP, BP standards and holds ISO9001, ISO22000, HALAL certifications for global bulk export.

Comparison Table: Gluconate Series

 

Comparison Item	Calcium Gluconate	Ferrous Gluconate	Zinc Gluconate	Magnesium Gluconate	Sodium Gluconate
Main Mineral	Calcium	Iron	Zinc	Magnesium	Sodium
Core Function	Bone & teeth health, muscle and nerve support	Iron supplement, support red blood cell formation	Immune support, skin & antioxidant health	Energy metabolism, muscle relaxation, nerve health	Sodium source, pH regulator, stabilizer
Mineral Content	~9%	~12%	~14%	~5.8%	~10.5%
Solubility	Good	Moderate	Good	Good	Excellent
Taste	Mild, low metallic taste	Slight metallic taste	Mild metallic taste	Almost tasteless	Salty taste
Main Application	Beverages, dairy, calcium supplements, functional food	Iron fortified food, anemia nutritional supplements	Multivitamin mineral tablets, children supplements	Multimineral formulas, sports nutrition	Food additive, pH adjuster, stabilizer
Gastrointestinal Property	Gentle	May cause mild stomach upset for sensitive users	Mild	Very mild	No irritation at normal dosage

 

Character

1.Good water solubility, suitable for transparent liquid and beverage systems.

2.Mild taste with low metallic flavor, easy to formulate into drink products.

3.High bioavailability, calcium can be absorbed by human body easily.

4.Stable chemical properties, compatible with most food and supplement raw materials.

5.Wide application range, suitable for solid and liquid nutritional fortification.

 

Main Functions

1.Calcium Supplementation Provides elemental calcium to support normal bone formation and maintain bone health.

2.Bone & Teeth Maintenance Helps maintain healthy bones and teeth, supports normal bone mineral density.

3.Normal Muscle Contraction Supports normal muscle contraction and maintains healthy neuromuscular function.

4.Nerve Signal Transmission Contributes to normal nerve signal transmission and balances body physiological function.

5.Participate in Blood Coagulation Acts as calcium source and participates in normal blood clotting process.

 

Applications

1.Food Industry: Used in dairy products, cereals, soy products and functional food as calcium fortifier.

2.Beverage Industry: Suitable for calcium fortified drinks, plant-based milk, juice and transparent liquid nutritional drinks.

3.Dietary Supplement Industry: Applied in calcium tablets, capsules, powder blends and compound multimineral formulas.

4.Pharmaceutical & Medical Nutrition: Used in oral calcium preparations and clinical nutritional formulations.

 

Packaging & Storage

 

Packaging: 25kg carton / fiber drum with inner PE bag

Storage: Store in cool, dry and ventilated place, avoid moisture and direct sunlight

Shelf Life: 24 months under sealed and recommended storage conditions