Our melatonin powder is available at competitive prices, making it a cost-effective option for businesses looking to add melatonin supplements to their product line. We offer flexible pricing options to meet your specific needs, whether you are a large-scale distributor or a small retailer, At Xi'an Sost Biotech Co., Ltd., we prioritize product quality and customer satisfaction. Our melatonin powder is rigorously tested for potency and purity, and we are committed to delivering a reliable and consistent product to our customers
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