China Factory Supply Melatonin 73-31-4 with lower price CAS NO.73-31-4

Our advantages

1.high quality and competetive price

1)for prulifloxacin exported we can offer coa certificate and official invoice.

2)we are manufacturer with own lab and factory, can provide high quality products with factory price. 

3)products purity is test by our quality department strictly before sending, and you can also ask the third testing organization come and inspect, such as (sgs/ cti/ its), only after your confirmation will we send it out to you.

2.fast and safe delivery:

1)products can be sent out one or four weeks after payment. tracking number available, fixed service person are 7x24h for you to contact.

2) secure and discreet shipment. various transportation methods for your choice, like dhl/ups/tnt/fedex/sf-express.

3)customs pass and satisfied rate ¡ý99%.

4)for hot sale products we have stock in there for transferring. 

3 we have clients throughout the world:

1) professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire. 

2) market feedback and goods feedback will be appreciated, meeting customers' requirement is our responsibility. 

3) high quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers

Description

Melatonin is an essential natural hormone in the human body, which controls and affects the secretion of other different hormones. When melatonin decreases in the body, various functions of the human body will be affected, and various diseases will also follow. Research has shown that the secretion of melatonin in the human body begins to decrease in middle age, and by old age, its secretion has become slightly abnormal. Early intake and supplementation of sufficient melatonin can improve the function of the endocrine system, enhance immunity, enhance anti tension and antioxidant functions, improve sleep, slow down the aging rate of the human body, and slow down the rate of sexual organ degeneration; Melatonin can also help prevent and treat cancer, especially for habitual insomnia.

Uses:1. Melatonin can be used as medicine health care products, so as to enhance peoples immune function, preventing aging and back to youth. What’s more, it is also a kind of natural “sleeping pill”.
2. Melatonin is a kind of hormone secreted by pineal body of pituitary gland in the body. The amount of melatonin has something to do with light. The weaker the light is, the more the melatonin is, whereas the less. In addition, it is helpful to one’s sleep.
3. Biochemical research.

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Package & Delivery

The transportation time is 7-15 days. Safe Customs Clearance, door to door Service.
We always take extra care in packing and delivery. Even so, some customers still worry about the loss of packages and other problems. We understand your concerns. We have been engaged in foreign trade for more than ten years and have good after-sales service and reshipment policy. You can purchase with confidence.

(1) Most products are in stock and shipped within 1-3 days!

(2) Products shall be strictly tested by QC department before delivery!

(3) Ensure the safety of parts through our powerful transportation line!

(4) Clearance satisfaction rate ≥99%!

(5) Responsible for all after-sales quality problems!

FAQ

Q1：Do you accept sample order

A:We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.

Q2：How to confirm the product quality before placing orders

A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q3：What's your MOQ

A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q4：Do you supply product report

A:Yes. We'll give you product analysis report before shipping.

Q5：Is there a discount

A:Different quantity has different discount.

Why Choose Us

Company Information

Zhengzhou strong peptide cross-border e-commerce Co., Ltd. is a high-tech chemical enterprise in Central China, specializing in the chemical raw materials and intermediates.Since its establishment, the company attaches great importance to team training and technical reform..Set research and development, production, testing, sales as one of the high-tech enterprises.The company is committed to the separation, purification and chiral separation of high purity natural products, as well as the development, production and marketing of API intermediates.The company mainly engaged in high-end monomer products of natural medicinal plants, semi-synthetic derivatives of medicinal plant ingredients, chemical synthetic products, high-end natural food and cosmetic additives.