Melatonin is a naturally occurring hormone studied for its role in sleep regulation and circadian rhythm signalling. Research has explored its involvement in sleep-wake cycles, antioxidant activity, cellular signalling and biological clock pathways. This product is strictly for laboratory and research purposes only. This product is not intended for human or animal consumption, and is not a drug, dietary supplement, or cosmetic. It has not been evaluated by the FDA for safety or efficacy. This product should only be handled by qualified professionals in a controlled laboratory setting. By purchasing this product, the buyer confirms they are a qualified researcher and assumes full responsibility for its proper use, storage, and handling in accordance with all applicable laws.