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        Alibaba.com offers 2,559 melatonin products. About 22% of these are animal pharmaceuticals, 19% are memory & sleep healthcare products, and 11% are immune function agents. A wide variety of melatonin options are available to you, such as auxiliaries and other medicinal chemicals, immune function agents, and vitamins, amino acids and coenzymes. You can also choose from medicine grade, food grade, and cosmetic grade. As well as from improve memory or sleep, immune & anti-fatigue. And whether melatonin is powder, tablets, or capsules. There are 2,619 melatonin suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and Canada, which supply 94%, 4%, and 1% of melatonin respectively. Melatonin products are most popular in North America, Northern Europe, and Western Europe. You can ensure product safety by selecting from certified suppliers, including 525 with ISO9001, 253 with GMP, and 251 with ISO22000 certification.
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