Description

Glycine Powder

Glycine is the simplest amino acid – a tiny molecule with a surprisingly big impact. It's the only amino acid that is not optically active, meaning it has no "left‑handed" or "right‑handed" form. Just pure, uncomplicated function.

🧬 The "Cellular Multitool": Glycine acts as an inhibitory neurotransmitter, supporting a healthy stress response. It's a primary component of collagen - about one‑third of collagen's amino acid residues are glycine. It's also a necessary building block for glutathione, the body's master antioxidant.

Natural Sweetness: Glycine is one of the few amino acids with a mildly sweet taste - which explains its historical name "glycocoll" (from Greek glykys, meaning "sweet"). This makes it a unique ingredient for masking bitter flavors in formulations.

A Clean Label Favorite: Glycine is naturally present in protein‑rich foods such as meat, fish, and dairy, but can be challenging to obtain in sufficient amounts from diet alone - especially for vegetarians and vegans. Supplementing with pure glycine powder offers a direct, cost‑effective solution.

Specification: 98.5% – 101.5% (USP/FCC Grade)
Sample: Sample Available
Test method: Titration with HClO₄ / HPLC / USP monograph method
Synonyms: Aminoacetic acid, Glycocoll, Aminoethanoic acid
MOQ: 1 KG | Package: 1kg/foil bag, 25kgs/drum
Certificate: HACCP, ISO 22000, HALAL, GMP, Kosher; USP/FCC compliant
Molecular Formula: C₂H₅NO₂ | CAS: 56-40-6

Product Characteristics

🧂

Appearance

Fine, free‑flowing white crystalline powder; odorless.

⚗️

Purity

98.5% – 101.5% (USP/FCC grade) - pharmaceutical quality.

💧

Solubility

200 mg/mL in water - highly soluble, clear solution.

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Taste

Mildly sweet - unique for masking bitter flavors.

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Particle Size

>95% pass 80 mesh.

🏭

GMP Manufacturing

Produced in certified facilities with strict quality control.

COA (Certificate of Analysis)

Benefits of Glycine Powder

01Sleep Quality & Relaxation

Glycine acts as an inhibitory neurotransmitter, helping calm neural activity and promote relaxation. Clinical research suggests it may support sleep quality and reduce feelings of fatigue.

02Skin, Joint & Connective Tissue Health

As a major component of collagen, glycine supports healthy skin elasticity, joint function, and connective tissue integrity - about one‑third of collagen is glycine.

03Liver Detoxification & Glutathione Support

Glycine is a precursor to glutathione - the body's primary intracellular antioxidant - and supports liver detoxification processes. Often combined with NAC and vitamin C.

04Cognitive & Neurological Support

Glycine plays a dual role as both an inhibitory neurotransmitter and a co‑agonist at NMDA receptors, supporting neural development, learning, and cognition.

05Clean, Sweet Taste for Formulations

Glycine's natural mild sweetness makes it a unique functional ingredient for masking bitter flavors in supplements and food products without adding sugar.

06USP/FCC Grade - Pharmaceutical Quality

Meets stringent USP and FCC specifications with ultra‑low impurities (chlorides ≤0.003%; heavy metals ≤10 ppm). Pharmaceutical‑grade quality for premium formulations.

Application Fields

Dietary Supplements (Hero Application): Sleep support capsules/powders (1–3g), collagen & joint health formulas, detox & liver support blends, stress & relaxation gummies, sports nutrition & recovery blends.
Functional Foods & Beverages: Sleep & relaxation RTD drinks, flavor masking applications, fortified protein powders.
Pharmaceutical & Research: Cell culture & media, biochemical reagent for SDS‑PAGE, Western blotting, and chromatography buffers.
OEM Finished Products: Sleep support capsules, collagen blends, detox formulas, relaxation gummies, recovery blends - full custom manufacturing available.

Production Process

Production process of Glycine

Process: Chemical synthesis or fermentation → purification (ion‑exchange, activated carbon) → crystallization → vacuum drying → milling → sieving → packaging.

Product Quality Advantage

98.5% – 101.5% Purity – USP/FCC grade, pharmaceutical quality.

Excellent Solubility – 200 mg/mL in water.

Low Heavy Metals – Pb <10 ppm; As <1 ppm.

Ultra‑Low Chlorides – ≤0.003%.

cGMP Certified – Full traceability and documentation.

Batch‑specific COA – Including heavy metals, loss on drying, and pH.

Annual Capacity: 1,500 Tons | 15+ years of ingredient expertise

Professional ODM/OEM Services

We provide full OEM/ODM manufacturing for finished products using Glycine Powder as the active ingredient - from concept to commercial delivery, all under one roof.

① Finished Dosage Forms
Capsules: 500 mg, 750 mg, 1000 mg; vegetarian/gelatin; custom bottle/blister.
Tablets: Direct compression; round/oval; debossing; instant‑release.
Powder Blends: Stick packs, tubs; with L‑theanine, magnesium, NAC, or collagen.
Gummies & Chews: For sleep, relaxation, and everyday wellness.
Liquid Shots & RTD Beverages: Ready‑to‑drink functional beverages.

② Combination Options
Glycine + Magnesium (classic sleep support), Glycine + L‑Theanine (relaxation and calm), Glycine + NAC + Vitamin C (antioxidant/detox), Glycine + Collagen (skin and joint health).

③ Additional Services
Flavor development, sweetener selection, third‑party certification (Kosher, HALAL, NSF, Informed Sport), stability studies, regulatory documentation.

📧 Email: wangjing@landnutra.com

📱 WhatsApp: +86 18092657549

All backed by LANDNUTRA's quality assurance - full GMP, Halal, Kosher, COA certification and complete traceability from sourcing to finished product.

Export Certificates

Certificates HACCP ISO HALAL GMP Kosher

Why choose us

XI'AN LANDNUTRA CO., LTD. – Your Trusted Manufacturer of Functional Ingredients. Rooted in Quality, Driven by Expertise, Committed to Health and Excellence.

Strong Production Capability: Annual capacity 1,500 tons. 15+ years experience, own facility.
Leading Service: ONE-STOP OEM/ODM from pre-sales to after-sales.
Quality Assurance: CQC-certified enterprise, purity embedded in every process.
Broad Market: Botanical Extracts, Cosmetic Ingredients, Functional Ingredients.

15+ years of ingredient manufacturing. cGMP‑certified facilities. Full in‑house OEM/ODM capabilities for a wide range of supplement formats. Regulatory documentation for global markets. Batch‑specific COA including heavy metals (ICP‑MS), loss on drying, chlorides, and assay. Technical support for formulation and stability.

FAQ

Q1: Is Glycine an essential amino acid?

A: No - glycine is considered a non‑essential amino acid because the body can produce it from other compounds. However, there are times when the body may not produce enough to meet metabolic demands, especially during periods of rapid growth, stress, or when following a plant‑based diet. Supplementation can help maintain optimal levels.

Q2: What is the recommended dosage of Glycine?

A: Typical dosages range from 1–5 grams per day, depending on the target application. For sleep support, 2–4 grams taken before bedtime is common. For collagen and joint health, 1–3 grams daily is frequently used. Follow label instructions or consult a healthcare provider.

Q3: Is Glycine sweet? What does it taste like?

A: Yes - glycine has a naturally mildly sweet taste. This makes it unique among amino acids and useful for masking bitter flavors in supplements and functional foods.

Q4: Is Glycine safe for long‑term use?

A: Yes. Glycine has a well‑established safety profile and is generally recognized as safe (GRAS) by the US FDA. It has been studied for months with good tolerability and few adverse events.

Q5: Is Glycine vegan?

A: Yes - glycine is produced via chemical synthesis or fermentation, with no animal‑derived materials. It is suitable for vegan and vegetarian products.

Q6: What is the shelf life of Glycine powder?

A: 36 months in original sealed container under cool, dry conditions (≤25°C, ≤60% RH). Glycine is stable and not highly hygroscopic.

Q7: Can Glycine be used in beverages?

A: Yes - glycine's high solubility (200 mg/mL) makes it ideal for RTD beverages, energy shots, and functional drinks. Its mild sweetness helps mask bitter flavors.

Q8: Is Glycine safe during pregnancy?

A: Glycine is a naturally occurring amino acid found in many foods. However, high‑dose supplementation during pregnancy is not well studied. Always consult a healthcare provider before any supplementation during pregnancy.

Q9: Does Glycine cause drowsiness?

A: Glycine supports relaxation and can promote sleep quality when taken before bedtime. However, at lower doses, it does not cause significant drowsiness and can be used in daytime formulations for stress support.

Q10: What is the difference between Glycine and other sleep ingredients like GABA or L‑Theanine?

A: Glycine promotes relaxation and sleep quality by acting as an inhibitory neurotransmitter. GABA is the primary inhibitory neurotransmitter in the brain. L‑Theanine promotes calm, focused alertness without drowsiness. They work synergistically and are often combined in sleep and relaxation formulas.

Q11: Can Glycine be used with magnesium for sleep?

A: Yes - this is a classic and well‑studied combination. Magnesium supports muscle relaxation and nervous system calming; glycine promotes sleep quality through neurotransmitter modulation. Together they form a comprehensive sleep support stack.

Q12: Is Glycine suitable for flavor masking in gummies?

A: Yes - glycine's mild sweetness and clean flavor profile make it an excellent choice for masking bitter notes in gummies and chewable supplements without adding sugar or artificial sweeteners.

Test Item	Specification (USP Grade)	Test Result	Conclusion
Appearance	White crystalline powder	Conforms	Pass
Assay (Titration)	98.5% – 101.5%	99.4%	Pass
Loss on Drying	≤0.2%	0.15%	Pass
Residue on Ignition	≤0.1%	0.04%	Pass
Chlorides (Cl)	≤0.003%	<0.003%	Pass
Heavy Metals (as Pb)	≤10 ppm	<2 ppm	Pass
Arsenic (As)	≤1 ppm	<0.5 ppm	Pass
pH (5% solution)	5.9 – 6.4	6.1	Pass
Total Plate Count	≤1,000 cfu/g	<100 cfu/g	Pass
E. Coli / Salmonella	Negative	Negative	Pass

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