Bulk Magnesium Glycinate Powder
Highly Bioavailable, superior absorption, supports relaxation, muscle health, and restful sleep
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What is Magnesium Glycinate?
Magnesium Glycinate is a chelated form of magnesium in which the mineral is bound to two molecules of glycine—an amino acid that enhances its stability, absorption, and gentle effect on the digestive system. This highly bioavailable compound is favored in nutritional formulations for supporting muscle function, relaxation, and sleep quality. Also known as Magnesium bis-glycinate or Magnesium bis(aminoacetate), it has a CAS number of 14783-68-7, a molecular formula of C4H8MgN2O4, and a molecular weight of 172.42 g/mol. It appears as a white crystalline powder with a purity of 99% (HPLC). Though Magnesium Glycinate itself is not naturally present in foods, its components—magnesium and glycine—are found in foods with magnesium glycinate precursors such as meat, dairy, fish, legumes, and leafy greens. Provita Biotech is a trusted bulk Magnesium Glycinate powder supplier in China, offering both powder and liquid forms of this ingredient along with OEM services for capsules, tablets, and custom blends. Our 25kg/drum packaging is ideal for dietary supplement brands, importers, functional food manufacturers, nutraceutical contract manufacturers, pharmaceutical companies, private label supplement companies, ingredient distributors, raw material trading firms, and health product formulators seeking high-purity magnesium glycinate for premium product development.
Magnesium Glycinate vs Citrate
Magnesium Glycinate and Magnesium Citrate are both highly bioavailable forms of magnesium but serve different needs. Magnesium Glycinate is ideal for those seeking improved sleep, reduced anxiety, and muscle relaxation without digestive side effects, thanks to its gentle, chelated form. In contrast, Magnesium Citrate offers a higher elemental magnesium content and is commonly used for general supplementation and effective constipation relief due to its mild laxative effect. Choosing between them depends on your health goals: opt for Magnesium Glycinate for calming benefits and digestive gentleness, or Magnesium Citrate for digestive support and cost-effective magnesium intake.
| Item | Magnesium Glycinate | Magnesium Citrate |
|---|---|---|
| CAS Number | 14783-68-7 | 3344-18-1 |
| Other Names | Magnesium bis-glycinate, Magnesium bis(aminoacetate) | Trimagnesium dicitrate, Magnesium (2-hydroxypropane-1,2,3-tricarboxylate) |
| Molecular Formula | C4H8MgN2O4 | C6H6MgO7 |
| Molecular Weight | 172.42 g/mol | 214.41 g/mol |
| Appearance | White crystalline powder | White crystalline powder |
| Food Sources | Derived from glycine and magnesium, not found directly in food | Derived from citric acid, found in citrus fruits |
| Specifications | 99% HPLC | USP grade, various mesh sizes |
| Purity | ≥ 99% | ≥ 98% |
| Bioavailability | Very high (chelates with glycine enhance absorption) | High (better than magnesium oxide but lower than glycinate) |
| Potency (Mg per gram) | Approx. 14–18% elemental magnesium | Approx. 11% elemental magnesium |
| Typical Dosage | 200–400 mg elemental magnesium per day | 200–400 mg elemental magnesium per day |
| Half-life | About 20–30 hours | About 24 hours |
| Stability | Stable under normal storage conditions | Slightly hygroscopic but stable |
| Popularity in Supplements | Highly popular in sleep, stress, and relaxation formulas | Common in digestive health and general wellness products |
| Pricing (bulk per kg) | $30–$90 depending on purity and form | $5–$25 depending on grade and supplier |
| Main Benefits | Sleep support, stress relief, muscle relaxation, high absorption, gentle on stomach | Constipation relief, digestive support, general magnesium replenishment |
| Laxative Effect | Minimal | Mild to moderate at higher doses |
Magnesium Glycinate Certificate of Analysis(COA)
ProVita Biotech offers high-purity, food-grade Magnesium Glycinate powder manufactured in China using glycine and magnesium oxide. This white powder contains 18–22% elemental magnesium (dried basis) with 99% purity (HPLC), making it ideal for use in dietary supplements and functional formulations.
It is free from residual solvents and meets strict microbiological standards: TPC ≤1000 CFU/g, Yeast & Mold ≤100 CFU/g, E. coli ≤10 CFU/g, and Salmonella and Staphylococcus Aureus are negative in 25g. Loss on drying is ≤7.0% and heavy metals are ≤20 ppm.
The product is packed in 25kg bags, has a 2-year shelf life, and should be stored in a cool, dry, ventilated area away from harmful substances.
Application
Sleep Support
Magnesium Glycinate is widely used in sleep formulas due to its calming effect on the nervous system. The glycine component promotes relaxation, making it ideal for natural sleep aid supplements without causing drowsiness the next day.
Anxiety Relief
Thanks to its high bioavailability and gentle action, Magnesium Glycinate is commonly included in stress relief and mood support supplements. It helps regulate cortisol levels and supports healthy brain function, promoting a sense of calm and focus.
Muscle Health
Magnesium Glycinate supports muscle recovery and joint flexibility, making it popular in sports nutrition and active lifestyle products. It helps reduce muscle cramps, tension, and post-workout soreness while being gentle on the stomach.
Magnesium Glycinate Manufacturing Process
ProVita Biotech produces 99% pure Magnesium Glycinate powder through a clean, controlled, and internationally compliant process. Production begins with the acceptance and inspection of glycine, magnesium oxide, and purified water. After measurement and dissolution, a synthesis reaction combines glycine and magnesium oxide.
The reaction solution is filtered through a 120-mesh stainless steel screen and passes through a strong magnetic separator to eliminate metal contaminants. The mixture then goes through crystallization, followed by centrifugation and water washing to remove residual impurities.
The product is dried and sterilized at 100 to 140°C for 3 to 5 hours to ensure microbial safety. It is then crushed, mixed, and screened through a 60-mesh stainless steel filter and high-strength magnetic field of over 8000 Gauss to remove any remaining impurities.
Before packaging, the powder passes strict metal detection standards including Fe less than 1.0 mm, stainless steel less than 1.5 mm, and non-ferrous metals less than 1.2 mm. The final product is metered, sealed, and undergoes quality inspection to ensure it meets international food-grade standards and passes third-party testing. The finished Magnesium Glycinate powder is packed in 25kg bags and stored in a clean, controlled environment, ready for global supply.
Magnesium Glycinate Benefits
- High Bioavailability: Easily absorbed chelated form of magnesium for maximum effectiveness.
- Supports Sleep Quality: Promotes relaxation and helps regulate healthy sleep cycles.
- Reduces Stress and Anxiety: Helps calm the nervous system and support mood balance.
- Muscle and Nerve Function: Aids in muscle recovery, cramp prevention, and nerve signaling.
- Gentle on the Stomach: Unlike other forms, magnesium glycinate does not cause laxative effects.
- Heart Health Support: Contributes to normal blood pressure and cardiovascular function.
- Bone Strength: Works with calcium and vitamin D to support bone density and strength.
- Ideal for Long-Term Use: Safe and well-tolerated for daily supplementation.
Where to buy bulk Magnesium Glycinate Powder?
ProVita Biotech Co., Ltd. is a leading Magnesium Glycinate manufacturer and supplier in China, offering high-purity Magnesium Glycinate powder with 99% HPLC. We supply bulk Magnesium Glycinate for use in capsules, tablets, gummies, drops, and liquid formulations. Our factory is GMP-certified and equipped to handle OEM and private label orders with full documentation, including COA, third-party testing, Kosher, and Halal certificates.
We provide various forms such as organic Magnesium Glycinate powder, Magnesium Glycinate gummies, liquid Magnesium Glycinate, Magnesium Glycinate drops, and Magnesium Lysinate Glycinate Chelate for diverse applications. Our Magnesium Glycinate is well-suited for dietary supplement brands, contract manufacturers, wholesalers, and global distributors.
ProVita Biotech guarantees high quality Magnesium Glycinate at competitive bulk prices, fast production, and global shipping. Free samples are available for quality evaluation. Contact us today for the latest Magnesium Glycinate wholesale pricing, specifications, and OEM solutions.
FAQs
Magnesium oxide contains more elemental magnesium by weight but has poor absorption and often causes digestive discomfort. Magnesium glycinate is a chelated form that absorbs more efficiently and is gentle on the stomach, making it ideal for long-term supplementation.
Magnesium threonate is commonly used in brain health supplements because it crosses the blood-brain barrier. Magnesium glycinate is preferred for calming the nervous system and improving sleep quality. Each form supports different health goals.
There is no difference. Magnesium bisglycinate and magnesium glycinate refer to the same compound. The term "bisglycinate" highlights that two glycine molecules are bound to one magnesium ion.
Magnesium gluconate offers moderate bioavailability and is often used to treat mild deficiencies. Magnesium glycinate is more bioavailable, better tolerated, and recommended for use in premium supplements targeting relaxation and muscle support.
Chelated magnesium refers to any magnesium form bound to an amino acid. Magnesium glycinate is a specific type of chelated magnesium bound to glycine. It is widely regarded as one of the most effective and well-absorbed options.
Magnesium malate supports energy metabolism and is used in fatigue and muscle health products. Magnesium glycinate is better for promoting calmness, reducing stress, and improving sleep. Choose based on your target function.
Magnesium taurate is ideal for heart and cardiovascular support due to the presence of taurine. Magnesium glycinate is best for nervous system balance and muscle relaxation. Both are bioavailable but serve different purposes.
Magnesium aspartate is sometimes included in sports nutrition for energy production but may be harsh on the stomach. Magnesium glycinate is better tolerated and effective for daily magnesium replenishment and stress relief.
Magnesium oxide has the highest elemental magnesium content by weight, containing about 60% elemental magnesium. However, despite its high magnesium percentage, it has low bioavailability, meaning only a small amount is absorbed by the body. It is often used in low-cost formulations but may cause digestive discomfort or laxative effects. For better absorption and tolerance, chelated forms like magnesium glycinate are preferred.
Magnesium Glycinate has surged in popularity in 2025 thanks to growing awareness on platforms like TikTok, increased consumer demand for natural sleep aids, and new studies highlighting its muscle-relaxing benefits. More people are turning to it for post-workout recovery, stress relief, and better sleep quality. Some recent research shows it may help reduce muscle soreness, spasms, and nighttime restlessness. Its gentle effect on digestion and superior absorption also make it a go-to magnesium form in trending gummies, capsules, and liquid supplements across the wellness market.
Yes, we provide full OEM services including formulation, encapsulation, tableting, gummy manufacturing, labeling, and packaging. We support Magnesium Glycinate in various forms such as capsules, tablets, gummies, and liquids.
The MOQ for our bulk Magnesium Glycinate powder is typically 25kg (1 drum). However, flexible terms can be offered for trial orders or sample evaluation.
Our product complies with international standards and comes with COA, third-party test reports, Kosher, Halal, GMP, ISO, and other certificates as required by your market.
We supply food-grade Magnesium Glycinate with 99% HPLC purity. The raw material meets specifications for global nutraceutical and pharmaceutical applications.
Yes, we offer free samples (typically 10g) for lab testing and formulation trials. Shipping costs may apply depending on the destination.
Yes, we offer formulation support and ingredient sourcing for blends that include Magnesium Glycinate, L-theanine, zinc, vitamin B6, and more. Ideal for brands developing premium magnesium complexes or sleep-focused formulas.