Pure Melatonin Powder

Pure Melatonin Powder is a high-purity, functional active ingredient. Melatonin is a naturally occurring indole hormone in the human body, primarily secreted by the pineal gland, playing a crucial role in regulating circadian rhythms and the sleep-wake cycle. Amidst accelerating modern lifestyles and increasingly prevalent sleep issues, Pure Melatonin Powder has gained widespread application in dietary supplements and functional nutrition products. Its value lies in improving sleep quality, reducing sleep onset latency, and alleviating jet lag symptoms, establishing it as a core ingredient with a clearly defined functional profile.

APPCHEM's Pure Melatonin Powder focuses exclusively on melatonin as its single active component. It is produced through rigorously controlled synthesis and purification processes to achieve high purity. The entire manufacturing process adheres to a standardised quality management system, systematically managing raw material sourcing, purity levels, and impurity control. This ensures the product meets the stringent requirements for functional ingredients in dietary supplement manufacturing regarding content accuracy, stability, and batch consistency.

Pure Melatonin Powder is typically supplied in powder form, offering excellent stability and formulation adaptability. It is suitable for various dietary supplement dosage forms, including tablets, capsules, chewable tablets, instant powders, and liquid formulations. As a key functional ingredient in sleep health, melatonin is frequently combined synergistically with L-theanine, magnesium, vitamin B6, and botanical sedative extracts. It is extensively utilised in formulations supporting sleep, emotional equilibrium, and circadian rhythm regulation.

XI'AN APP-CHEM BIO (TECH) CO., LTD. (APPCHEM) provides Pure Melatonin Powder utilising a mature, reproducible industrial plant extraction process, comprising the following principal steps:

1. Washing
2. Filtering
3. Removing impurities
4. Drying: to prevent high-temperature damage to thermosensitive active ingredients, especially volatile oils.
5. Crushing: (such as 80 mesh) to increase the contact area with the solvent and improve extraction efficiency.
6. Extraction
7. Solid-liquid separation
8. Purification
9. Concentrate
10. Drying
11. Smashing
12. Packaging
13. Finished product

• Regulate sleep: Pure Melatonin Powder primarily regulates the sleep-wake cycle. It elevates levels of two crucial neurotransmitters in the brain-gamma-aminobutyric acid and serotonin-and is frequently employed to alleviate jet lag and sleep disturbances arising from disrupted circadian rhythms.

1. Core Mechanism: Regulation of Circadian Rhythms via MT1/MT2 Receptors

The physiological effects of Pure Melatonin Powder are primarily mediated through interaction with two high-affinity G protein-coupled receptors (GPCRs): the melatonin type 1 receptor (MT1) and the melatonin type 2 receptor (MT2). These receptors are widely distributed throughout the central nervous system and peripheral tissues, yet exhibit distinct spatial distribution and functional roles within the brain, collectively forming the molecular basis for melatonin's regulation of sleep and circadian rhythms. MT1 and MT2 receptors are highly expressed in the suprachiasmatic nucleus (SCN), the brain's central "biological clock". The SCN receives light signals from the retina and synchronises the body's internal rhythms accordingly. At night, melatonin released by the pineal gland acts as a "darkness signal" on MT1 and MT2 receptors within the SCN. Signal Transduction Pathway: Upon binding to these receptors, melatonin activates downstream signalling pathways. As G protein-coupled receptors, MT1 and MT2 primarily couple with inhibitory G proteins (Gi/o). Activation of Gi/o proteins inhibits adenylate cyclase activity, leading to a decrease in intracellular levels of the second messenger cyclic adenosine monophosphate (cAMP). This cAMP depletion further modulates protein kinase A (PKA) activity, thereby regulating the expression of downstream genes (such as core circadian genes Per1, Per2, and Clock), ultimately inhibiting SCN neuronal activity and facilitating the transition from wakefulness to sleep. 

2. Differentiated Functions of MT1 and MT2 Receptors

Recent research, particularly multiple reviews and experimental evidence published in 2024, has further revealed the distinct roles of MT1 and MT2 receptors in regulating sleep architecture. This provides novel avenues for developing more targeted sleep-enhancing products.

2.1 MT1 Receptor and Rapid Eye Movement Sleep (REM):

Recent key findings indicate that the MT1 receptor plays a crucial role in regulating REM sleep. Data from animal model experiments using MT1 gene knockout mice demonstrate that these mice exhibit significantly reduced REM sleep and circadian rhythm disruption. This suggests that melatonin, by activating MT1 receptors, may directly or indirectly promote the generation and maintenance of REM sleep, which is vital for memory consolidation, emotional regulation, and brain development.

2.2 MT2 Receptor and Non-Rapid Eye Movement Sleep (NREM):

Unlike MT1, the MT2 receptor is thought to be more involved in regulating non-rapid eye movement sleep (NREM), the deep sleep stage. Multiple studies indicate that selective activation of the MT2 receptor significantly shortens sleep onset latency and increases the total duration of NREM sleep. In vivo animal data support that NREM sleep patterns are markedly disrupted in MT2 receptor knockout mice. Consequently, the MT2 receptor is regarded as a key target for promoting sleep onset and deepening sleep.

• Multidimensional Physiological Efficacy

1. Exceptional Antioxidant Properties: Pure Melatonin Powder functions as a potent free radical scavenger and broad-spectrum antioxidant. It not only directly neutralises multiple reactive oxygen species (ROS) and reactive nitrogen species (RNS), such as hydroxyl radicals and peroxynitrite anions, but also stimulates the activity of key endogenous antioxidant enzymes (e.g., superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px)). This dual antioxidant mechanism enables it to excel in protecting cellular DNA, proteins, and lipids from oxidative damage, thereby exhibiting potential for delaying ageing and safeguarding skin health.

2. Immune System Modulation: Pure Melatonin Powder exerts bidirectional regulation on the immune system. It enhances cellular immunity by promoting the activation of Th1 helper T cells, thereby aiding the body's defence against pathogenic infections. Simultaneously, it can suppress excessive inflammatory responses under certain conditions. This immunomodulatory function holds potential applications in boosting bodily resistance and preventing certain seasonal ailments.

3. Neuroprotective and Anti-Ageing Potential: Pure Melatonin Powder traverses the blood-brain barrier to directly influence the central nervous system. Its potent antioxidant and anti-inflammatory properties demonstrate significant promise in preventing and supporting treatment for neurodegenerative diseases such as Alzheimer's and Parkinson's. By reducing oxidative stress and neuroinflammation, melatonin aids in protecting neurons and maintaining cognitive function.

Dietary supplements represent the primary and most established application for Pure Melatonin Powder. Our raw material can be utilised to develop sleep health products addressing the following specific needs:

• Improving Sleep Quality: Targeting individuals with common insomnia, developing products that help reduce the time taken to fall asleep, decrease night-time awakenings, and increase total sleep duration.
• Jet Lag Management: Designed for business travellers and tourists to facilitate rapid adaptation to new time zones, alleviating fatigue and discomfort from transcontinental flights.
• Shift Worker Support: Tailored for police officers, healthcare professionals, factory workers and others requiring shift work, assisting in establishing stable sleep patterns during irregular hours.
• Sleep Support for Middle-Aged and Elderly Individuals: Targeting those experiencing natural melatonin decline, providing supplementation to address age-related sleep issues. Compound Formula Products: Melatonin can be combined with other relaxation- and sleep-promoting ingredients such as valerian, L-theanine, GABA, chamomile extract, and magnesium. This creates synergistic effects, resulting in more comprehensive compound sleep products.

The product is mainly in the form of standardised plant extract powder and supports customisation of content, making it easy for OEM/ODM customers to design formulas.

Security statement：

Our company guarantees that the goods sent are safe, non-flammable, and non-explosive, and consistent with the declaration. Under normal transportation conditions, all losses caused by the products sent by our company shall be borne by our company.

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Long-term cooperative logistics companies include international logistics companies such as DHL, FedEx, UPS, etc.

The regular bulk packaging of the product is a 25kg plastic bag and a cardboard drum. The sample is packaged in an inner aluminium foil bag and an outer plastic bag, supporting customised packaging solutions.

XI'AN APP-CHEM BIO (TECH) CO., LTD. (APPCHEM) regularly participates in international raw material exhibitions such as CPHI, SSW, and In Cosmetics Asia, and establishes long-term cooperative relationships with global customers.

Q1. How is the purity of this product verified?
A1: We employ authoritative analytical methods such as High Performance Liquid Chromatography (HPLC) and Ultraviolet Spectroscopy (UV) to ensure a content of 99%.

Q2. What is the minimum order quantity for Pure Melatonin Powder?
A2: Our minimum order quantity (MOQ) varies by product and specific requirements, and is typically negotiable. Please contact us for detailed information.

Q3. What is the delivery timeframe for the product?
A3: Delivery times depend on order volume and product type. Generally, we arrange production and dispatch promptly upon order confirmation.

Q4. Does APPCHEM offer customisation services?
A4: Yes, we provide customisation services including packaging, labelling, and adjusting product specifications to meet specific client requirements.

Q5. How does APPCHEM ensure product quality and stability?
A5: We maintain a rigorous quality control system. All products undergo third-party testing, with detailed COA (Certificate of Analysis) and stability data provided.
Reference
[1]B. Araújo, Fátima Rato et al. "Composition of food supplements containing melatonin available in Portugal." Brazilian Journal of Pharmaceutical Sciences (2025).
[2]Lauren A. E. Erland, P. Saxena. "Melatonin Natural Health Products and Supplements: Presence of Serotonin and Significant Variability of Melatonin Content." Journal of Clinical Sleep Medicine: JCSM: official publication of the American Academy of Sleep Medicine (2017).
[3]N. Buscemi, B. Vandermeer et al. "Efficacy and safety of exogenous melatonin for secondary sleep disorders and sleep disorders accompanying sleep restriction: meta-analysis." BMJ: British Medical Journal (2006).
[4]Лоретта Маджи, Джованни Капонетти. "Melatonin-based solutions and powders for their preparation." (2012).