food grade Zinc Lactate powder Manufacturer GMP factory

CAS: 16039-53-5

MF: C6H8O6Zn

MW: 241.5

EINECS: 240-178-9

Specification: 99% min Zinc Lactate powder

Sample: Zinc Lactate powder Avaliable

Packaging: 1kg/bag, 25kg/drum

Brand: Ausreson

MOQ: 1 kg

Appearance: White powder

Storage: Cool Dry Place

Shelf Life: 2 Years

Test Method: HPLC

Last updated: March 2026

Zinc Lactate powder Usage and Synthesis.

Zinc Lactate is a white rhombohedral crystalline powder, odorless, soluble in water, slightly soluble in ethanol. Zinc Lactate contains 22.2% zinc. Zinc lactate is widely used in the production of food, nutritional oral liquid, children's zinc supplement tablets and punch, which plays an important role in the intellectual and physical development of infants and adolescents, and the absorption effect is better than inorganic zinc.

Our country stipulates that zinc lactate can be used in dairy products, infant food, cereals and their products, drinking liquid and children's oral solution, and the usage amount is 30-60mg/kg, 25-70mg/kg, 5-10mg/kg, 5-10mg/kg and 0.6-1.0g/kg (in terms of zinc), respectively.

Zinc lactate is also used in oral care products, such as cleaning and stain removal ingredient combinations, micron-sized hydroxyapatite and potassium nitrate combinations, inactivation of Lactobacillus paracasei applied to toothpaste, and also compounded with zinc levulinate, so that the product has the efficacy of regulating the balance of the oral flora and freshening the breath.

Why Zinc Lactate?

• Oral Care Mastery: Zinc Lactate is a powerhouse against Volatile Sulfur Compounds (VSCs)—the root cause of bad breath. It doesn't just mask odors; it chemically neutralizes them while inhibiting the mineralization of plaque into tartar.

• Superior Bioavailability: As an organic acid salt, Zinc Lactate is more easily absorbed by the human body compared to inorganic forms like zinc oxide. Its solubility makes it ideal for syrups and liquid supplements where clarity and taste are paramount.

• Skin & Intimate Care: In 2026, Zinc Lactate is trending in "Clean Beauty" as an antimicrobial agent that preserves the skin's microbiome while soothing inflammation and controlling body odor in deodorants.

Five Major Health Benefits of Zinc Lactate

1. Enhances Immune System Function

Zinc is an essential trace element for the normal function of the body's immune cells. Studies have shown that Zinc Lactate effectively supports white blood cell activity, helping the body fight off common pathogens, especially providing extra protection during flu season.

2. Promotes Skin Health

Zinc is crucial for collagen synthesis and wound healing. Using Zinc Lactate supplements can help improve skin problems such as acne, eczema, and dermatitis, which is one reason for its popularity among skincare enthusiasts in Europe and America.

3. Supports Metabolism and Energy Production

Zinc participates in more than 300 enzymatic reactions, including the metabolism of carbohydrates, fats, and proteins. Appropriate Zinc Lactate supplementation helps maintain normal energy levels and metabolic function.

4. Maintains Cognitive Function

Recent studies have found that zinc plays an important role in brain health, potentially helping to maintain normal cognitive function and mood balance.

5. Antioxidant Protection

As a component of the antioxidant system, zinc helps fight free radical damage and supports overall cellular health.

The Professional Checklist

• Assay Purity (98%+): Ensure the powder is standardized to provide consistent elemental zinc levels.

• Crystalline vs. Micronized: For oral care, micronized powders (under 10 microns) are preferred for better mouthfeel and faster integration into paste matrices.

• Cold-Water Solubility: High-quality Zinc Lactate should dissolve easily in water without leaving a gritty residue, a key factor for beverage fortification.

• Safety Documentation: In 2026, a valid COA (Certificate of Analysis), MSDS, and GMP certification are mandatory for B2B procurement.

Characteristic of Zinc Lactate powder.

Zinc lactate, chemical formula Zn(C3H5O3)2-3H2O, molecular weight 297.47, white rhombohedral crystals or powder (dextrorotatory), containing three molecules of water of crystallization. Soluble in water, insoluble in ethanol and ether. When heated to 100 ℃, it loses crystalline water. 1 part of zinc lactate can be dissolved in 60 parts of cold water or 6 parts of hot water, the zinc content of this product is 22.2%.

Scope of use and dosage: 130-250mg/kg for dairy products; 113-318mg/kg for baby food; 40-80mg/kg for cereals and their products.It is produced by crystallization of lactic acid and zinc hydroxide. It is mainly used for medicine, which is used as antiepileptic agent.

Usage Recommendations and Precautions

• Suggested Dosage: Most adults can meet their daily needs with 15-30 mg of Zinc Lactate. It is best taken with food to enhance absorption.
• Optimal Time of Taken: It is recommended to take it after breakfast or lunch. Avoid taking it simultaneously with calcium or iron supplements to prevent affecting absorption.
• Potential Side Effects: Very high doses (more than 40 mg/day) may cause nausea, headache, or copper deficiency. Consult a healthcare professional before long-term high-dose use.

Product Method of Bulk Zinc Lactate powder.

1.Complex decomposition method

Add 13.0g of calcium lactate (pentahydrate) and 12.1g of zinc sulfate (heptahydrate) into 100mL of water, stirring and heating reflux reaction. At the end of the reaction, while hot, filtration and washing with water to remove calcium sulfate precipitate (light blue-white powder), the filtrate is a milky white semi-transparent liquid, cooled and left to stand that is white crystals precipitated. Finally filtered, washed with water and dried to obtain white powder (melting point 276-277 ℃) 8g, yield 64%. (C3H503)2Ca+ZnSO4→(C3H5O3)2Zn+CaSO4↓

2. Neutralization method

In the finished lactic acid solution add zinc oxide powder heating and stirring reaction 2 ~ 3h, the reaction by cooling crystallization, filtration and separation, and wash with water for several times, and then dried at 60 ~ 65 ℃ to finished products. This method is simple, better quality, but higher cost.2C3H6O3+ZnO→(C3H5O3)2Zn+H2O3.Lactic acid can also be produced by starch fermentation, and then reacted with zinc salt to get zinc lactate.

Frequently Asked Questions about Zinc Lactate

While both are highly bioavailable, Zinc Lactate is often preferred in oral care for its specific anti-tartar properties and in food science for its slightly more neutral sensory profile in certain liquid applications.

Yes. In 2026, it is widely recognized as safe for long-term oral hygiene. It persists in the saliva and plaque for hours, providing extended protection against bacteria without the harshness of alcohol-based rinses.

Absolutely. It is a popular ingredient for DIY deodorants and acne treatments due to its antimicrobial and skin-soothing properties. However, ensure you are using a cosmetic-grade, lab-tested powder.

When stored in a cool, dry place in its original sealed container, Zinc Lactate powder typically remains stable for 2 to 3 years.

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