Melatonin Powder Bulk

Product Details

Healthkintai®Melatonin Powder Bulk is a high purity nutraceutical supplement produced under strict GMP guidelines. As a leading manufacturer, we leverage decades of industry expertise to offer an exceptional melatonin powder in bulk quantities.

Our Pure Melatonin features these attributes:

• Purity: ≥99%

• Appearance: Fine white to off-white crystalline powder

• Particle size: 100% pass 80 mesh

• Loss on drying: ≤5.0%

• Heavy metals: Conforms to USP testing standards

• Available in bulk packing from 1kg to metric tons

KINTAI is a professional manufacturer and supplier of Melatonin. We have a dedicated research and development center, production base, advanced equipment, multiple patents, certificates, and quality system certifications. Our company supports customized products and provides integrated service solutions. We ensure fast delivery and secure packaging. If you are looking for your own Melatonin Powder Bulk, please contact us at health@kintaibio.com.

 Pure Melatonin Specifications 

 Melatonin Benefits 

Improves sleep

Melatonin, often dubbed the "sleep hormone," is naturally produced by the pineal gland in response to darkness, playing a pivotal role in regulating the body's circadian rhythms—the internal clock that governs sleep-wake cycles. For those struggling with insomnia, supplemental melatonin helps shorten the time it takes to fall asleep (sleep onset latency) and increases total sleep duration, with studies showing it’s particularly effective for individuals with delayed sleep phase disorder. It’s also a go-to for frequent travelers: by adjusting the body’s internal clock to new time zones, it eases jet lag, reducing symptoms like daytime fatigue and nighttime restlessness. Unlike sedatives, it doesn’t cause grogginess or dependency when used as directed, making it a safer choice for long-term sleep support.

Antioxidant

Melatonin acts as a potent antioxidant, far beyond many well-known compounds like vitamin C or E. Its unique ability to penetrate cell membranes—including the mitochondria, the cell’s "powerhouse"—allows it to neutralize harmful free radicals that damage DNA, proteins, and lipids. This action combats oxidative stress, a root cause of cellular aging and chronic diseases such as diabetes, cardiovascular issues, and neurodegeneration. It also works synergistically with other antioxidants, enhancing their effectiveness to create a more robust defense against oxidative damage in the body.

Immunity

The immune system relies on a delicate balance of inflammation and regulation, and melatonin plays a dual role here: it boosts the activity of key immune cells like T-cells, B-cells, and natural killer cells, which are critical for fighting off viral and bacterial infections. At the same time, it moderates excessive inflammation by inhibiting pro-inflammatory cytokines, preventing the immune system from overreacting—an important factor in conditions like autoimmune diseases. Research suggests that adequate melatonin levels (often disrupted by poor sleep or shift work) are linked to stronger immune responses, making it a valuable ally during cold and flu seasons.

Bone health

Melatonin supports bone health through multiple mechanisms: it stimulates osteoblasts, the cells responsible for building new bone, while inhibiting osteoclasts, which break down bone tissue. This balance increases bone mineral density and mass, making it a potential preventive measure against osteoporosis, especially in postmenopausal women—who are at higher risk due to declining estrogen levels. Studies also indicate that melatonin may enhance the effectiveness of other bone-supporting nutrients like calcium and vitamin D, further strengthening skeletal integrity.

Heart health

Melatonin contributes to cardiovascular wellness on multiple fronts. It helps regulate blood pressure by promoting relaxation of blood vessel walls, particularly during sleep, when pressure naturally dips. Its anti-inflammatory properties reduce swelling in artery linings, a precursor to plaque formation, while its antioxidant effects prevent LDL ("bad" cholesterol) from oxidizing— a key step in the development of arterial blockages. Additionally, it may help stabilize heart rhythm, reducing the risk of arrhythmias, making it a promising complementary support for overall heart function.

Anti-aging

As an antioxidant, melatonin targets the visible and cellular signs of aging. When used topically in skincare products, it penetrates the skin to neutralize free radicals from UV exposure and pollution, reducing fine lines, dullness, and uneven texture. Orally, it supports systemic anti-aging by protecting cells throughout the body from oxidative damage, which slows down the aging process at a foundational level. It also aids in skin repair during sleep, when the body’s regenerative processes are most active, enhancing the skin’s natural ability to heal and rejuvenate.

Cancer

Emerging research highlights melatonin’s potential anti-cancer properties, though it’s important to note it’s not a standalone treatment. Studies suggest it may inhibit the growth of certain cancer cells—including breast, prostate, and colorectal cancers—by interfering with their ability to divide and spread. It also enhances the effectiveness of chemotherapy and radiation therapy in some cases, while reducing side effects like fatigue and nerve damage. Additionally, melatonin may help regulate estrogen levels, which is relevant for hormone-sensitive cancers like breast cancer. More clinical trials are needed, but current findings position it as a promising adjunct to conventional cancer care.

Neuroprotection

Melatonin’s neuroprotective effects stem from its ability to shield neurons (brain cells) from oxidative stress and inflammation—two key drivers of neurodegenerative diseases. In Alzheimer’s disease, it may reduce the buildup of beta-amyloid plaques, which damage brain tissue, and slow cognitive decline. For Parkinson’s disease, it supports the health of dopamine-producing neurons, which are progressively lost in the condition. It also regulates sleep in neurodegenerative patients, whose disrupted sleep often exacerbates symptoms, creating a positive cycle of improved brain health and rest.

Mood

Melatonin’s influence on mood is closely tied to its role in circadian rhythm regulation. Disruptions in this rhythm—common in seasonal affective disorder (SAD), where shorter daylight hours trigger low mood—can be alleviated by melatonin supplements, which help reset the internal clock and improve sleep quality, a known contributor to emotional balance. It also interacts with neurotransmitters like serotonin, often called the "happy hormone," helping to stabilize its levels and reduce symptoms of mild to moderate depression. For individuals with mood disorders linked to sleep disturbances, melatonin can be a valuable part of a holistic management plan.

 Pure Melatonin Application 

Our Pure Melatonin boasts versatile applications across multiple industries, each leveraging its unique properties to deliver tangible benefits:

Health and wellness

Beyond aiding sleep, it’s a go-to in the supplement space for supporting healthy circadian rhythms—ideal for frequent travelers combating jet lag, night shift workers adjusting to irregular schedules, or anyone struggling with occasional sleeplessness. Its calming effect also makes it a popular addition to relaxation blends, helping ease pre-sleep restlessness without the grogginess of stronger sedatives.

Pharmaceutical

In formulations, it serves as a core ingredient in over-the-counter and prescription sleep aids, often paired with complementary compounds to enhance efficacy. It’s also explored in supporting conditions linked to circadian disruptions, such as certain mood disorders and age-related sleep disturbances, where precise dosing is key to balancing therapeutic effects.

Cosmetic

Skincare brands integrate it into night creams, serums, and masks for its soothing and antioxidant properties. It helps calm stressed skin, reduce signs of environmental damage, and support the skin’s natural repair process during nighttime—making it a staple in products designed for “restorative beauty sleep” routines.

Nutraceutical and functional foods

From sleep-supporting gummies and effervescent tablets to relaxing herbal teas, it’s a valued additive in functional foods that target holistic wellness. Its compatibility with other natural ingredients (like chamomile or valerian) makes it easy to blend into daily health rituals.

 OEM and ODM Services 

We provide OEM (Original Equipment Manufacturing) and ODM (Original Design Manufacturing) services. Our experienced team can assist in creating custom formulations, packaging designs, and labeling, tailored to your specific requirements. With our integrated services, we ensure high-quality products that represent your brand effectively.

FAQ

Q: Is Raw Melatonin safe to use?
A: It is generally safe for most people when taken in appropriate doses. However, it is always recommended to consult with a healthcare professional before starting any new dietary supplement.

Q: Can Melatonin be used by children?
A: It is not recommended for children without medical supervision. It is best to consult with a pediatrician before administering any sleep aids to children.

Q: How should Melatonin Powder Bulk be stored?
A: It is recommended to store it in a cool and dry place, away from direct sunlight and moisture.

KINTAI Advantage

Choosing the right melatonin supplier is not only about product quality, but also affects business efficiency and long-term development. KINTAI has become a trusted partner in various industries with its six core advantages:

GMP-certified production facility, controlling quality from the source

Our production facilities strictly follow GMP (Good Manufacturing Practice) standards. Every step, from raw material selection to finished product packaging, is carried out in a sterile and standardized environment. A professional quality inspection team monitors the entire process to ensure that each batch of pure melatonin meets the required purity, has controllable impurities, and fully complies with the stringent requirements of the health and wellness, pharmaceutical, and cosmetics industries, so that customers do not have to worry about compliance and safety.

Large stock capacity, flexibly meeting order demands

Relying on a large-scale warehousing system, KINTAI has sufficient spot stock capacity. Whether it is emergency replenishment for small-batch trial orders or quarterly purchases for large enterprises, we can respond quickly and shorten the delivery cycle. Especially when market demand fluctuates greatly, stable inventory can help customers avoid the risk of out-of-stock and ensure the continuity of production and sales.

Responsive technical support team, providing solutions throughout the process

Our technical team consists of senior industry experts and responds to customer inquiries 24/7. From analyzing product characteristics (such as the stability of melatonin in different formulations) to adapting to application scenarios (such as the optimal addition ratio in cosmetic formulas), and assisting with compliance documents, we can provide targeted suggestions to help customers solve technical problems in research and development and production, reducing the cost of trial and error.

Custom R&D and OEM/ODM services, meeting personalized needs

Aware of the different needs for melatonin in various industries, Healthkintai® provides flexible customization services. We can adjust parameters such as purity and particle size according to customer requirements, and also undertake one-stop OEM/ODM orders from formula research and development to packaging design. Whether it is developing sleep health products with unique effects or customizing cosmetic raw materials that conform to the brand's tone, we can quickly implement them to help customers create differentiated products.

 Advanced testing capabilities, with data supporting quality confidence

Equipped with internationally leading testing equipment, we can accurately analyze the purity, heavy metal content, microbial indicators, etc. of melatonin, and provide detailed testing reports. Customers can check various product data at any time to ensure that the purchased raw materials meet their own quality standards, providing solid data support for product research and development and market promotion.

 Competitive pricing, with bulk purchase discounts

By optimizing the supply chain and large-scale production, KINTAI offers highly cost-effective prices in the industry while ensuring quality. At the same time, for large customers with long-term cooperation, we provide tiered bulk discounts. The larger the purchase volume, the more obvious the cost advantage, helping customers control the budget while increasing product profit margins.

From quality assurance to service efficiency, from customized support to cost optimization, KINTAI always focuses on customer needs and is committed to becoming a melatonin supplier that makes partners feel at ease and confident. Whether you are a start-up brand or an industry giant, you can find a suitable cooperation plan here.

KINTAI‘s Production Workshop

KINTAI R&D Center

 Shipping and Package Information 

Contact KINTAI  

As a professional Raw Melatonin manufacturer, KINTAI can fulfill your order requirements for high quality melatonin. Email us at health@kintaibio.com for a quotation or to place an order!

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