Pharm Ingredients
Alpha GPC Powder
Alpha GPC Powder Manufacturers
Kintainutri® primarily produces Glyceryl Phosphoryl Choline (GPC) powder with specifications of 50% and ≥98.0%. We employ rigorous moisture-control processing to resolve issues with raw material hygroscopicity and clumping, provide comprehensive compliance documentation, and ensure a stable supply of standardized, high-purity α-GPC. Due to its highly hygroscopic nature, please handle the product in a controlled environment with a relative humidity below 30% and reseal it immediately after opening to prevent clumping. Please contact us for purchasing inquiries.
| Product Name | Specification |
|---|---|
| Alpha GPC | 50% Powder |
| 85% Liquid | |
| ≥98% Powder |
Choline alfoscerate is a water-soluble choline compound naturally found in fish, animal liver, and fermented sake lees; it serves as a key precursor for the synthesis of acetylcholine in the brain. With its potential therapeutic value in improving cognitive functions, including reasoning, orientation, language comprehension, learning ability, and memory, it is an ideal ingredient for cognitive health capsules and functional beverage formulations.
Alpha GPC Powder COA
How To Make Alpha GPC Powder?
Alpha GPC Powder Benefits
Alpha GPC for adhd
Alpha-GPC powder is not an α₂-adrenergic agonist itself; however, by serving as a precursor to acetylcholine (ACh), it enhances central cholinergic neurotransmission. Its potential mechanism of action in pediatric ADHD likely involves modulating the noradrenergic system and improving prefrontal cortex function, thereby optimizing information processing efficiency in brain regions associated with attention and impulse control. As a result, Alpha-GPC for kids has attracted interest as a potential ingredient for cognitive health and attention-support formulations.
Research indicates that, similar to drugs that act directly on α₂ receptors, enhancing cholinergic signaling may alleviate core ADHD symptoms, such as inattention and impulsivity, with a high degree of selectivity. Our product holds potential as an ingredient for ADHD treatment.
Alpha GPC cognitive function
As a cholinergic precursor, Alpha-GPC crosses the blood-brain barrier to elevate cerebral acetylcholine levels; its mechanism of action differs from traditional acetylcholinesterase inhibitors by not only inhibiting acetylcholine (ACh) degradation but also directly promoting its synthesis and release. Furthermore, Alpha-GPC exerts multi-target neuroprotective effects by upregulating neurotrophic factors such as BDNF, enhancing synaptic plasticity through PKC signaling pathway activation, suppressing Aβ-induced neuroinflammation via modulation of α7 nicotinic acetylcholine receptors, and balancing excitatory and inhibitory signals by promoting GABA release.
Clinical evidence supports its use in Alzheimer's disease, mild cognitive impairment, vascular dementia, and cognitive decline associated with Parkinson's disease, showing superior efficacy when combined with donepezil, making it a distinctive ingredient choice for brain health supplements, cognitive function products, and geriatric nutritional support.
Alpha GPC benefits for men
By supplying the body with choline, which serves as a precursor to the neurotransmitter acetylcholine (ACh), L-alpha-GPC supports signaling pathways in the brain associated with attention, learning, and memory. A randomized, double-blind, controlled study involving healthy young men demonstrated that a single dose of 315 mg or 630 mg of Alpha-GPC significantly improved attention, cognitive flexibility, and processing speed within 60 minutes. Additionally, the supplement facilitated faster reaction times under conditions of high interference and was well-tolerated.
These findings provide direct, human-based evidence to support the development of cognitive-enhancing products for male-dominated, high-performance demographics, including those in sports nutrition, military operations, competitive esports, and high-pressure professional environments.
What Is Alpha GPC Powder Used For?
Alpha GPC supplement
Alpha GPC Powder is a key ingredient in brain-health dietary supplements and is widely used in products designed to support cognitive function. Its mechanism of action is well-established: as a precursor to acetylcholine, it crosses the blood-brain barrier to boost cerebral choline levels and support neurotransmitter synthesis. It is suitable not only for individuals with cognitive impairment but also for healthy people seeking immediate cognitive benefits.
Available dosage forms include hard capsules, tablets, oral liquids, and powder blends, targeting students, working professionals, and middle-aged to older adults concerned with brain health. Additionally, it helps maintain neuromuscular control, attention, and decision-making speed, making it an excellent choice for sports nutrition brands looking to create differentiated products.
Alpha GPC medicine
α-GPC is used as a prescription or over-the-counter medicine in many countries, with clinical research supporting its potential applications in mild cognitive impairment (MCI), Alzheimer's disease, vascular dementia, and cognitive decline associated with Parkinson's disease. Studies show that α-GPC supplementation in patients with MCI may reduce the risk of progression to Alzheimer's disease and vascular dementia by approximately 10% and 16.8%, respectively.
It is frequently co-administered with donepezil to support cognitive function and improve therapeutic outcomes in clinical settings. Available in various forms, including alpha GPC capsules, injections, and medical nutritional formulas, pharmaceutical-grade Alpha-GPC serves as a differentiated ingredient for clinical nutrition products and cognitive health applications.
Citicoline vs Alpha GPC Powder
The Commonalities
The key commonalities between α-GPC and Citicoline are that both are cholinergic precursors used to treat dementia and cognitive impairment, and both demonstrate good tolerability and similarly low rates of adverse reactions in clinical studies; regarding administration, the randomized controlled trials (RCTs) included in the analysis utilized a regimen of 1,000 mg administered via intramuscular injection daily for 90 consecutive days.
Furthermore, there were no significant differences between the two in terms of improvements in memory function (measured by the WMS scale) and verbal fluency (measured by the WFT scale), and patient acceptance levels were comparable. While these shared characteristics position both as representative compounds in the field of choline supplements, α-GPC demonstrates superior efficacy regarding overall cognitive and non-cognitive symptoms.
The Comparison
| Comparison Dimension | α-GPC (Choline Alphoscerate) | Citicoline (CDP-Choline) |
|---|---|---|
| Chemical Structure | Glycerol backbone | Nucleotide-phospholipid backbone (CDP-choline) |
| Metabolism | Directly releases free choline | Requires breakdown into cytidine and choline |
| Peak Plasma Choline Level | Higher (≈25.8 μmol/L) | Lower (≈13.1 μmol/L) |
| Primary Mechanism | Direct precursor to acetylcholine (ACh) | Primarily involved in membrane phospholipid (phosphatidylcholine) synthesis |
| Cognitive Function Improvement | Superior (SCAG scale) | Reference, weaker effect |
| Non-Cognitive Symptom Improvement | Superior (affective, apathy, interpersonal) | Reference, weaker effect |
| Memory Function Improvement | No significant difference vs. Citicoline | No significant difference vs. α-GPC |
| Verbal Fluency Improvement | No significant difference vs. Citicoline | No significant difference vs. α-GPC |
| Patient Acceptability (Dropout Rate) | 9.4% (17/180) | 6.7% (12/178), no significant difference |
| Tolerability | Good | Good |
| Dosing Regimen | 1000 mg/day, IM, 90 days | 1000 mg/day, IM, 90 days |
| Target Population | Multi-infarct dementia / Vascular dementia | Multi-infarct dementia / Vascular dementia |
Alpha GPC Powder Dosage
The maximum daily dose of the novel food approved by EFSA is 203.7 mg of L-alpha-GPC, equivalent to 82.5 mg of choline per day. This dosage applies to all population groups aged 3 years and older (including pregnant and lactating women) without adjustment for age or physiological status.
Recommended intake levels vary by product form: 203.7 mg/day for Alpha Size 100P (100% purity) and 239.65 mg/day for GPC 85% (85% purity), with both providing the same net amount of L-alpha-GPC. This dosage represents 16%–59% of the EFSA Adequate Intake (AI) for choline (depending on the population group); even when combined with dietary intake, the total remains well below the Tolerable Upper Intake Level (UL) for choline established by the US IOM (3,500 mg/day for adults), indicating a substantial safety margin.
Alpha GPC Powder Side Effects And Safety
Based on the scientific opinion regarding the safety of novel foods issued by EFSA (European Food Safety Authority), Alpha-GPC is considered safe and well-tolerated under the proposed conditions of use. Clinical data indicate that cognitive intervention dosages of 800–1,600 mg/day result in only minor, short-term gastrointestinal and neurological discomfort, such as heartburn, agitation, insomnia, nausea, and headache, with no serious toxic side effects.
Long-term animal studies showed fluctuations in liver markers only at extremely high doses, indicating a clear safety threshold. The recommended daily intake of 203.7 mg is well below the clinically effective dosage; thus, the risk associated with finished products is extremely low, making it suitable for long-term daily dietary supplementation.
Where To Buy Alpha Gpc Powder?
As a naturally occurring choline precursor, α-GPC powder is a highly competitive functional ingredient in the cognitive health sector, distinguished by its ability to cross the blood-brain barrier and rapidly boost cerebral acetylcholine levels. Backed by comprehensive human clinical safety data, it supports low-dosage formulations that carry a minimal risk of side effects.
Kintainutri® offers high-purity powder (50% and ≥98.0%) and liquid (85%) specifications, with customization options available. We also provide a full suite of compliance documentation, including COAs, MSDSs, and traceability reports, making it an ideal ingredient for brain health supplements, functional beverages, and clinical nutrition formulas. Please contact us to request samples and technical specifications.
*Kintainutri® Promise All Products: Non-Irradiated / Non-ETO/ Treat by Heat Only / Non-GMO
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