Zinc L-aspartate powder is a chelated form of zinc bound to the amino acid L-aspartic acid, designed to offer enhanced bioavailability and gastrointestinal comfort. This compound is widely used in dietary supplements and functional foods due to its superior absorption profile and mild taste. Unlike inorganic zinc sources, zinc L-aspartate mimics the way zinc naturally occurs in certain protein-rich foods, making it an excellent choice for long-term supplementation.
The manufacturing process involves the controlled reaction of high-purity zinc oxide or zinc carbonate with L-aspartic acid under aqueous conditions, followed by crystallization, filtration, and drying. Each batch is tested for zinc content (typically 18%-21%), heavy metals, and microbial purity, ensuring consistent quality for nutraceutical and pharmaceutical applications.
Product Characteristics
Appearance: Fine white to off-white crystalline powder
Solubility: Sparingly soluble in water, freely soluble in dilute acids
Odor & Taste: Odorless, slightly sweet with a mild metallic note
Chemical Properties: pH of 1% solution: 6.0–7.0
Particle size: Uniform fine powder, no agglomerates
COA
|
Item |
Specification |
Result |
|
Product Name |
Zinc L-aspartate powder |
Conforms |
|
Zinc Content |
18.0% – 21.0% |
19.6% |
|
L-Aspartic Acid Assay |
≥ 75.0% |
76.8% |
|
Loss on Drying |
≤ 5.0% |
3.2% |
|
Heavy Metals (as Pb) |
≤ 10 ppm |
<5 ppm |
|
Arsenic |
≤ 2 ppm |
<0.5 ppm |
|
Lead |
≤ 2 ppm |
<0.5 ppm |
|
Cadmium |
≤ 1 ppm |
<0.3 ppm |
|
Microbial Total Count |
≤ 1000 CFU/g |
120 CFU/g |
|
Yeast & Mold |
≤ 100 CFU/g |
<10 CFU/g |
Benefits of Zinc L-aspartate powder
Immune Support: Zinc is essential for normal immune cell function, and the L-aspartate form supports sustained immune health without gastric irritation.
Skin Health & Repair: Plays a key role in collagen synthesis and skin barrier integrity, making it valuable for acne management and wound healing.
Cognitive Function: Zinc is involved in synaptic transmission and neuroprotection; L-aspartate may contribute to neurotransmitter balance.
Reproductive Health: Supports normal testosterone levels and reproductive function in both males and females.
Digestive Tolerance: Chelated form is significantly better tolerated than zinc sulfate or zinc oxide, with fewer reports of nausea or stomach upset.
Application Fields
Dietary Supplements
Tablets, capsules, gummies, and lozenges
Functional Foods
Fortified cereals, protein bars, powdered drinks
Sports Nutrition
Recovery formulas and immunity blends
Pharmaceuticals
Zinc deficiency treatments
Pediatric Nutrition
Gentle zinc supplements for children
Skin Care
Topical formulations for acne and wound healing
Production Process
Product Quality Advantages
Superior Bioavailability: Chelated form enhances absorption via amino acid transport pathways.
Gentle on Stomach: Minimizes digestive side effects compared to inorganic zinc salts.
Consistent Chelation Rate: ≥95% chelation ensures product efficacy.
Low Heavy Metals: Meets strict USP/EP limits.
Clean Label Compatible: Suitable for natural and clean-label formulations.
Stability: Excellent shelf life under recommended storage conditions.
Export Certificates
Why choose us
Over 15 Years of Expertise in mineral amino acid chelates
Natural Purity: Sourced from non-animal, GMP-compliant raw materials
Transparent Traceability: Full documentation from raw material to finished batch
Advanced Technology: Proprietary chelation process for high stability
Reliable Supply Chain: Consistent production capacity for bulk orders
Long-term Partnership: Technical support and co-development available
FAQ
Q: What is the zinc content in zinc L-aspartate?
A: Typically 18–21% by weight, depending on hydration and batch standardization.
Q: How does it compare to zinc picolinate or zinc citrate?
A: Zinc L-aspartate offers similar or higher absorption rates with often better digestive tolerance, especially for sensitive individuals.
Q: What is the chelation rate, and why does it matter?
A: Chelation rate refers to the percentage of zinc bound to L-aspartic acid. High-quality products have a chelation rate ≥95%, ensuring stability and absorption.
Q: Is it suitable for vegan products?
A: Yes, our zinc L-aspartate is derived from non-animal sources and is suitable for vegan and vegetarian formulations.
Q: How's shipping handled?
A: We ship globally by express, air, or sea-pick the speed that matches your plan (and your patience).
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