L-calcium Lactate
Plant source: Generally derived from fermented plants such as corn or rice, made from derivatives of lactic acid
CAS NO:5743-47-5
Content specification: Food grade: 99%; Pharmaceutical grade: 98-99%
Testing method: HPLC
Appearance: White granules or powder form
Product usage: Food industry, pharmaceutical industry, feed industry, agricultural sector
Product packaging: 1KG/aluminum foil bag; 25KG/cardboard drum
Product storage: Store in a dry and cool place, away from sunlight and high temperatures
Shelf life: 24 months
Bulk L-Calcium Lactate | Premium High-Bioavailability Calcium Fortifier

Premium Soluble Mineral Matrix by Xi'an Tihealth
Formulating clear beverages, infant nutrition, and premium dietary supplements requires a calcium source that overcomes the poor solubility and chalky mouthfeel of traditional calcium carbonate. Xi'an Tihealth provides an industrial-grade, highly pure L-Calcium Lactate engineered for superior aqueous solubility and optimal human bioavailability.
Our L-Calcium Lactate is a premium organic calcium salt synthesized by reacting high-purity calcium sources with natural L-lactic acid derived from strict microbial fermentation. Featuring an exceptional stereochemical purity (≥96.0% L-isomer), this biologically active fortifier offers a calcium absorption rate approximately 30% higher than inorganic calcium salts. Available in both Pentahydrate and Anhydrous forms, it dissolves completely into a clear, neutral-tasting solution, making it the gold standard for fortifying dairy alternatives, clear sports drinks, and advanced pediatric formulas.
1. Formulation Edge: Why Upgrade to L-Calcium Lactate?
For R&D food technologists and nutraceutical formulators, choosing the right calcium salt dictates the physical stability and sensory quality of the final product. Our L-Calcium Lactate eliminates common industrial bottlenecks:
- Exceptional Aqueous Solubility:
- Unlike calcium carbonate or calcium citrate which leave gritty residues and precipitate in liquid matrices, our L-Calcium Lactate dissolves completely (especially in warm water) to form a crystal-clear solution. This is essential for transparent functional beverages and liquid supplements.
- Maximized Bioavailability (L-Isomer):
- The human body naturally produces and metabolizes the L-isomer of lactic acid. By utilizing fermentation-derived L-lactic acid (≥96% optical purity), our calcium salt boasts superior gastrointestinal affinity, ensuring rapid, gentle absorption without the bloating or constipation often associated with inorganic calcium.
- Neutral Sensory Profile:
- Traditional calcium fortification often introduces a chalky, astringent, or metallic off-taste. Our highly purified L-Calcium Lactate is flavor-neutral, allowing you to fortify delicate formulations (like plant-based milks and gummies) without requiring heavy flavor masking.
2. Certificate of Analysis (Premium Food Grade TDS)
We supply both Pentahydrate (approx. 13% elemental calcium) and Anhydrous (approx. 18% elemental calcium) specifications to suit your processing needs. Below is the analytical data sheet for our standard Pentahydrate specification.
| Test Item | Specification Limit | Test Method / Standard |
|---|---|---|
| Physicochemical Properties | ||
| Appearance | White crystalline powder or granules | Visual Inspection |
| Assay (Calcium Lactate Content) | 98.0% – 101.0% (on dried basis) | Titration |
| Elemental Calcium Content | Approx. 13.0% (Pentahydrate) / 18.0% (Anhydrous) | Complexometric Titration |
| Stereochemical Purity (L-isomer) | ≥ 96.0% | Polarimetry |
| pH Value (5% aqueous solution) | 6.0 – 7.0 | pH Meter |
| Loss on Drying | 22.0% - 27.0% (Pentahydrate) | 120°C Oven Drying |
| Safety & Contaminants | ||
| Heavy Metals (as Pb) | ≤ 10 ppm | Colorimetry / ICP-MS |
| Free Acid / Free Alkali | Passes Test | Pharmacopeia Standard |
| Volatile Fatty Acids | Passes Test | Chromatography |
3. Primary Functional Mechanisms (R&D Perspective)
Replacing non-compliant medical claims with scientifically validated biological mechanisms, our L-Calcium Lactate supports premium dietary formulas targeting:
Calcium is the foundational structural element of the human skeletal system. Supplying a highly bioavailable organic calcium salt ensures efficient osteoblast absorption, supporting peak bone mass accumulation in children and aiding in the maintenance of bone density in aging populations.

Beyond bone health, ionized serum calcium is a critical electrolyte. It plays a mandatory role in the transmission of nerve impulses, the initiation of muscle contractions (including the myocardium of the heart), and the regulation of cellular capillary permeability.

4. Targeted B2B Applications
- Functional Beverages & Dairy Alternatives:
- The premier fortifier for clear sports drinks, juices, and plant-based milks (oat, soy, almond) due to its exceptional solubility and absence of gritty sedimentation.
- Dietary Supplements (Capsules/Tablets/Gummies):
- A gentle, non-constipating calcium source ideal for prenatal multivitamins, pediatric calcium gummies, and senior nutrition blends.
- Functional Bakery & Confectionery:
- Acts as a reliable buffering and firming agent, improving the texture of jellies and the crumb structure of fortified baked goods.
- Premium Animal Nutrition:
- Added to high-end livestock and poultry diets to promote skeletal growth, improve eggshell quality, and support milk production.
5. Advanced Biological Fermentation Protocol
While chemical synthesis is cheaper, Xi'an Tihealth prioritizes Biological Fermentation to guarantee the superior ≥96% L-isomer optical purity required for high-end food and pharmaceutical applications:
- Targeted Strain Fermentation:
- Utilizing highly selected strains (such as Rhizopus oryzae), a glucose-rich broth is fermented under strictly controlled temperature (34°C) and agitation. High-purity calcium carbonate is introduced continuously as a neutralizing agent to form calcium lactate in situ.
- Filtration & Decolorization:
- The raw fermentation broth is mechanically filtered to remove the fungal biomass and subjected to activated carbon treatment to strip away any colorants or impurities.
- Thermal Concentration & Crystallization:
- The purified liquid is concentrated under a vacuum at 70°C, then rapidly cooled to 4°C to force the precipitation of pure L-Calcium Lactate crystals.
- Refinement & Drying:
- The crystals are centrifugally separated and washed. To produce the Pentahydrate form, they are dried under mild conditions. To yield the Anhydrous form, the crystals undergo a deeper, high-temperature dehydration process to remove all bound crystalline water.
6. Secure Packaging & OEM Capabilities
Operating under an ISO9001:2015 & GMP Quality Management System, Xi'an Tihealth ensures secure, moisture-proof packaging and end-to-end contract manufacturing support for global nutraceutical brands.
| Order Volume | Packaging Type | Estimated Lead Time |
|---|---|---|
| 1kg - 24kg (Samples & Lab Use) | Vacuum-sealed Opaque Aluminum Foil Bags | 3 - 5 Days (Air Express/DHL) |
| 25kg - 500kg (Commercial Bulk) | Heavy-Duty Cardboard Drum with Double PE Liners | 7 - 10 Days (Air/Sea Freight) |
OEM & Custom Formulations:
Beyond supplying bulk raw materials, we provide comprehensive contract manufacturing tailored to your exact specifications:
- Custom mineral premixes for beverage applications.
- Private-label encapsulated or tableted supplements.
- Full regulatory compliance support and strict brand confidentiality (NDA).
Contact Us for Wholesale Quotes & Lab Reports
7. Formulation & Technical FAQ

Should I formulate with the Pentahydrate or Anhydrous form?
This depends on your manufacturing environment and space constraints. Anhydrous L-Calcium Lactate provides a higher elemental calcium yield (approx. 18% vs. 13%), which is ideal for capsules or tablets where physical space is limited. However, it is highly hygroscopic. Pentahydrate is less prone to absorbing ambient moisture and is generally preferred for large-scale dry powder blending and liquid beverage fortification.
Why is L-Calcium Lactate better than Calcium Carbonate for supplements?
While Calcium Carbonate offers a high elemental calcium percentage, it is essentially crushed limestone. It is entirely insoluble in water and requires significant stomach acid to digest, often causing bloating and constipation. L-Calcium Lactate is a highly soluble organic salt with excellent gastrointestinal affinity, ensuring rapid, gentle absorption regardless of stomach acid levels.
Is this product vegan-friendly and lactose-free?
Yes. Despite the word "lactate" in the name, this product is completely devoid of dairy or lactose. The L-lactic acid used in our synthesis is derived from the microbial fermentation of plant-based carbohydrates (glucose), making our L-Calcium Lactate 100% vegan, hypoallergenic, and suitable for dairy-free formulations.
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