Life Extension Melatonin IR/XR, 1.5 mg, immediate- and Extended-Release Formula for Optimal Sleep Support, Healthy circadian Rhythms, Cellular Defense, Gluten-Free, Non-GMO, 60 Capsules

 https://www.amazon.com/Life-Extension-immediate-extended-release-gluten-free/dp/B07DFKPC3M/ref=cm_cr_arp_d_product_top?ie=UTF8