Alpha GPC Bulk Powder

Alpha GPC Bulk Powder Supplier with OEM and ODM Services：

Guanjie Biotech is an Alpha GPC bulk powder supplier with 20 years of experience supplying regular and microencapsulated Alpha GPC powder. Our microencapsulated Alpha GPC offers good water solubility while reducing hygroscopicity, improving flowability, and maintaining stable powder properties during capsule filling. The assay can reach 50%. Regular Alpha GPC powder is available at approximately 50% or 99% assay. As an experienced Alpha GPC manufacturer, we support bulk supply, OEM, and ODM services for customized applications. Contact us at info@gybiotech.com for specifications and quotations.

What Is The Advantages of Alpha-GPC?

High Purity

Our Alpha GPC bulk powder is produced using a crystallization process that effectively removes impurities. Relevant substances and salts are controlled to meet applicable USP requirements. Potential contaminants, including propylene chlorohydrin-related residues, are strictly controlled during production. The product has been recognized by customers in the United States and South Korea.

Multiple Dosage Forms

We provide Alpha GPC powder, liquid, and granule products with different specifications and excipients. Production can be adjusted efficiently according to customer requirements, supporting flexible formulation and bulk procurement.

Multiple Specifications

Current Alpha GPC bulk specifications include:

• Powder: 50% powder with maltodextrin or calcium phosphate; 99% pure crystalline Alpha-GPC powder.

• Liquid: 75% liquid with good stability and 85% liquid.

• Granules: 50% and 85% microencapsulated Alpha-GPC powder.

High Production Efficiency

Our production workshop has improved production efficiency and batch capacity to support faster delivery. Current Alpha-GPC manufacturing capacity is approximately 100 tons per year.

Compliance and Supply Stability

Our Alpha-GPC manufacturing line has undergone multiple compliance checks. Continuous production and quality control procedures support a stable supply of bulk Alpha-GPC for supplement and nutrition manufacturers.

 

Comparison of hygroscopicity test of microencapsulated powder

85% particles (microencapsulated powder), 99% powder, 50% powder (MD) were exposed at the same time to a constant temperature of 25 ℃, constant humidity 60%, at different times to observe the moisture absorption of the sample, the results are as follows.

initial state	After 13 minutes
After 34 minutes	After 3 hours

 

Specifications

50%

Items	Specifications	Results	Analysis Method
Appearance	White or off white, free-flowing microencapsulated powder	Conforms	Visual
Assay (dried basis)	>50%	51.3%	HPLC
Identification	Conforms to the standard	Conforms	TLC
Peroxide Value	≤10.0,meg/kg	conforms	AOCS Cd 8b-90
Heavy metals (as PB)	≤10ppm	Conforms	AAS
Loss on Drying	≤ 3.0%	Conforms	USP <731>
Sulfate (SO4)	≤0.02%	Conforms	Colorimetry
Chloride (Cl)	≤0.02%	Conforms	Colorimetry
Bulk Density	0.40g/mL -0.60g/mL	Conforms	USP <616>
Phosphate Ion (P)	≤5ppm	Conforms	Colorimetry
Particle Size(through 40 mesh)	≥ 95.0%	Conforms	USP < 786>
Residual solvent(ethanol)	≤1.0%	Conforms	HS-GC
PH	4.5～7.0	4.90
Water Content	≤2%	0.56%	KF

microencapsulated powder 85%

Items	Specifications	Results	Analysis Method
Appearance	White or off white, free-flowing microencapsulated powder	Conforms	Visual
Assay (dried basis)	>85%	86.3%	HPLC
Identification	Conforms to the standard	Conforms	TLC
Peroxide Value	≤10.0,meg/kg	conforms	AOCS Cd 8b-90
Heavy metals (as PB)	≤10ppm	Conforms	AAS
Loss on Drying	≤ 3.0%	Conforms	USP <731>
Sulfate (SO4)	≤0.02%	Conforms	Colorimetry
Chloride (Cl)	≤0.02%	Conforms	Colorimetry
Bulk Density	0.40g/mL -0.60g/mL	Conforms	USP <616>
Phosphate Ion (P)	≤5ppm	Conforms	Colorimetry
Particle Size(through 40 mesh)	≥ 95.0%	Conforms	USP < 786>
Residual solvent(ethanol)	≤1.0%	Conforms	HS-GC
PH	4.5～7.0	5.10
Water Content	≤2%	0.44%	KF

 

How Is Alpha-GPC Produced?

Guanjie Biotech is an Alpha-GPC powder supplier. Alpha-GPC (L-Alpha Glycerylphosphorylcholine) is manufactured using a systematic multi-step chemical synthesis and purification process designed for high purity and standardized quality control.

Step-by-Step Alpha-GPC Manufacturing Process

● Raw Material Synthesis:

Raw Material A (RM-A) and Raw Material B (RM-B) are reacted under controlled conditions to synthesize crude Alpha-GPC liquid.

● Refining & Purification: 

The crude liquid filtrate is purified using Activated Carbon to remove color impurities and Resin column chromatography to strip out ionic contaminants and residual side-products.

● Crystallization:

The purified liquid undergoes crystallization to isolate high-purity Alpha-GPC crystals from the liquid phase.

● Filtration & Drying:

The crystallized compound is filtered to remove residual solvents and thoroughly dried to yield a pure, moisture-free powder.

● Carrier Mixing:

An excipient/carrier is added and mixed with the Alpha-GPC compound to stabilize the active ingredient and improve material handling.

● Granulation & Wiping:

The mixture undergoes granulation and surface wiping/treatment to establish consistent particle size distribution and optimal flowability.

● Packaging:

The finished Alpha-GPC powder or granulate is vacuum-sealed and packaged in food/pharma-grade containers under humidity-controlled conditions to prevent hygroscopic degradation.

 

What Is Alpha-GPC?

We have different specifications. Glycerophosphorylcholine consists of choline, glycerol, and phosphate. It is not only one of the products of phospholipid metabolism in the organism, but also a product of the complete hydrolysis away of the 2 fatty acyl groups on the phosphatidylcholine molecule.

 

What Does Alpha-GPC Do?

Alpha GPC, also known as L-Alpha Glycerylphosphorylcholine, is a choline-containing compound widely studied for its role in cholinergic function and cognitive support. Alpha GPC powder is used as an ingredient in dietary supplements, nootropic formulations, and other nutrition products. Available forms include conventional powder and Alpha GPC microencapsulated powder, which can provide formulation flexibility for manufacturers.

Cholinergic Support and Cognitive Function

Alpha GPC is a precursor to acetylcholine, an important neurotransmitter involved in memory, learning, attention, and other cognitive processes. By providing a source of choline for acetylcholine synthesis, Alpha GPC powder has attracted interest in formulations designed to support normal cognitive function.

For supplement manufacturers, Alpha GPC for cognitive support can be incorporated into capsules, tablets, powders, and other delivery formats. Its established role in cholinergic pathways makes it a commonly considered ingredient in nootropic formulations.

Neuroprotective Research

Research has investigated Alpha GPC for its potential neuroprotective properties. Studies have examined its role in maintaining neuronal function and supporting cognitive health, particularly in the context of age-related cognitive changes.

Although further research is needed to establish specific clinical applications, these findings contribute to continued interest in Alpha GPC as a nootropic ingredient and cognitive-health formulation component.

Learning and Memory Support

Alpha GPC has been studied for its potential effects on learning and memory. Because acetylcholine plays an important role in cognitive processes, maintaining adequate cholinergic activity is relevant to research into memory and learning.

For this reason, Alpha GPC for memory support is an important keyword and application area for supplement developers evaluating choline-based ingredients. Formulators may select Alpha GPC when developing products focused on cognitive performance and mental function.

Physical Performance and Muscle Recovery

Beyond cognitive applications, Alpha GPC has also been investigated in sports nutrition. Some research has explored its potential relationship with growth hormone release and physical performance.

These findings have contributed to interest in Alpha GPC supplement ingredients for sports nutrition and pre-workout formulations. However, product developers should evaluate scientific evidence and regulatory requirements before making performance-related claims.

Mood and Mental Well-Being

Because Alpha GPC influences choline availability and cholinergic neurotransmission, researchers have also investigated its potential relationship with mood and mental well-being. Current evidence remains developing, so specific mood-related claims should be supported by appropriate research and comply with applicable regulations.

Research on Cognitive Disorders

Alpha GPC has been investigated in research involving cognitive impairment and neurological conditions. Its ability to support cholinergic function has contributed to interest in its potential applications in cognitive-health research.

However, Alpha GPC should not be presented as a treatment for Alzheimer's disease or other medical conditions without appropriate clinical evidence and regulatory authorization.

Absorption and Bioavailability

Alpha GPC bioavailability is an important consideration for supplement formulation. Alpha GPC is water-soluble and can be supplied in powder form for convenient incorporation into different dosage formats. Alpha GPC microencapsulated powder may offer additional formulation options when manufacturers need improved handling, stability, or controlled processing characteristics.

Use in Nootropic Stacks

Alpha GPC is frequently considered for use in nootropic formulations containing multiple cognitive-support ingredients. Its role as a choline source makes it relevant to combination products designed around complementary mechanisms.

For manufacturers developing bulk Alpha GPC products, compatibility, dosage, stability, and regulatory requirements should be evaluated during formulation development.

 

Regular (Raw) Alpha-GPC Vs. Microencapsulated Alpha-GPC

Microencapsulation surrounds active Alpha-GPC molecules in a protective lipid or polymer shell, directly addressing the raw compound's main physical limitation: severe hygroscopy (moisture absorption).

Feature / Attribute	Regular (Raw) Alpha-GPC	Microencapsulated Alpha-GPC
Hygroscopy & Stability	Highly Hygroscopic: Clumps rapidly and turns into a sticky gel when exposed to air/humidity.	Moisture-Resistant: Protected shell prevents air contact, ensuring a free-flowing powder.
Active Compound Yield	High Pure Yield: Typically 99% pure powder or standardized 50% powder mixed with fillers like silica.	Lower Active Yield: ~50% to 70% active Alpha-GPC due to the coating material weight.
Shelf Life & Storage	Short / Fragile: Requires tight air seals, desiccant packs, or cold storage to avoid degradation.	Long / Stable: High room-temperature shelf life; ideal for multi-ingredient pre-workout blends.
Absorption Profile	Rapid Spike: Fast digestion and rapid rise in blood choline levels.	Sustained / Extended Release: Gradual coating breakdown leads to smoother, longer-lasting absorption.
Gastrointestinal Impact	Higher Irritation Risk: Rapid dissolution in the stomach can occasionally cause mild nausea or upset.	Gentler on Digestion: Slow release buffers stomach contact and reduces direct acid exposure.
Flavor & Processing	Bitter / Hard to Mix: Tends to clump during manufacturing and alters drink mix textures.	Neutral Taste: Coating masks bitterness and improves solubility in powdered beverages.

 

Alpha-GPC Formulation Strategies  

Dietary Supplements & Encapsulation (Capsules & Powders)

• Use Standardized Spray-Dried Carriers:

Avoid raw 99% material for dry fills. Opt for 50% Alpha-GPC powder standardized with dicalcium phosphate (DCP) or silicon dioxide. For clean-label or vegan supplement formulations, sunflower lecithin or rice flour carriers are ideal.

• Incorporate Microencapsulation Technology:

Microencapsulated Alpha-GPC coats the active molecule in a lipid matrix, dramatically reducing moisture absorption, masking bitterness, and extending product shelf life.

• Excipient Selection & Anti-Caking:

Pair with moisture-scavenging anti-caking agents like colloidal silicon dioxide (1.0%–2.5%) or magnesium aluminometasilicate. Avoid pairing with other hygroscopic ingredients (such as L-carnitine or sodium salts) without protective barrier coatings.

• Capsule Shell Selection:

Use low-moisture HPMC (hydroxypropyl methylcellulose) vegetarian capsules rather than gelatin capsules, which carry higher moisture content that can trigger pill softening.

Liquid Nootropics & RTD Functional Beverages

• Solubility & Flavor Profile: Dissolves completely in liquid matrices, but exhibits a slightly sweet, salty/amine aftertaste at higher clinical doses (>600 mg per serving).

• Flavor Masking Techniques:

Utilize tart fruit profiles (citrus, sour apple, berry) combined with malic acid or citric acid to neutralize nootropic flavor off-notes.

• Preservation & Thermal Processing:

Compatible with high-temperature short-time (HTST) pasteurization, provided heating cycles are brief. Maintain finished liquid supplement pH between 4.5 and 6.0.

Manufacturing Facility & Packaging Controls

• Cleanroom Environmental Standards:

Maintain strict cleanroom manufacturing controls at ≤ 35%Relative Humidity (RH) and temperatures between 18°C–22°C.

• Barrier Packaging Solutions:

Store finished units in high-barrier packaging-such as HDPE bottles with double-induction foil seals, integrated desiccant packs, or multi-layer aluminum blister packaging.

 

FAQs:

Q1:Is it safe to take Alpha-GPC daily?

Daily use of Alpha-GPC is generally considered safe for healthy adults at standard dosages (300–600 mg). However, long-term daily supplementation may increase cardiovascular risks, including stroke, due to elevated TMAO levels. Consult a medical professional before starting a daily regimen.

Q2:What does Alpha-GPC powder taste like?

Alpha-GPC powder has a mild, slightly sweet, and faintly chemical or salty flavor. Because it is highly water-soluble, it dissolves easily in liquids, making its subtle taste simple to mask by mixing it into juice, coffee, or a smoothie.

Q3:What is Alpha-GPC good for?

Alpha-GPC is a natural choline compound effective for enhancing cognitive function, memory, and focus by increasing acetylcholine levels in the brain. It is also popular among athletes for boosting physical power output, athletic performance, and growth hormone secretion during workouts.

Q4:Why is Alpha-GPC powder so sticky or clumpy?

Alpha-GPC is extremely hygroscopic, meaning it rapidly absorbs moisture directly from the surrounding air. If exposed to humidity, pure Alpha-GPC powder turns sticky, forms hard lumps, or deliquesces into a liquid paste.

Q5:What is the difference between 99% pure and 50% Alpha-GPC powder?

• 99% Pure Alpha-GPC:

Highly concentrated raw Alpha-GPC powder with no added fillers. It requires vacuum storage, silica gel desiccants, and prompt consumption because it clumps quickly upon air exposure.

• 50% Alpha-GPC:

Formulated by mixing 50% pure Alpha-GPC with a carrier or excipient (such as silicon dioxide or dicalcium phosphate). This prevents clumping, improves powder flowability, and extends shelf life for easier encapsulation or blending.

Q6:How should Alpha-GPC powder be stored?

Store Alpha-GPC powder in a cool, dark, and dry environment inside an airtight container with a desiccant pack. Keep the container sealed tightly immediately after each use to prevent ambient moisture absorption.

 

Company Advantages:

Guanjie Biotech's factory is fully qualified. We have many kinds of SC extract production licenses, carry out the record production of traditional Chinese medicine extracts, and are the record manufacturer of export food production. We have various quality, HALAL and KOSHER certificates. The facilities and equipment are standardized, and the production quality management system is complete.

We have a complete testing capacity, technology, production, quality team. We can provide customized products with various active ingredients for customers' Alpha GPC bulk powder specific business and usage needs. At the same time to meet the high-end customer factory inspection, extended audit, filing needs.

 

Certification

 

Package & Shipment

Hot Tags: alpha gpc bulk powder, China alpha gpc bulk powder manufacturers, suppliers, factory, Rice Bran Extract, gaba bulk powders, Garcinia Extract Powder, Natural Beta Carotene Powder, Garlic Extract Powder, flaxseed protein powder