My nurse instructed me on the use of this supplement to improve the quality of my sleep. Really worth it. The same value with freight costs is worth it. I took it at the appointment and he approved the medication. I take 1 tablet 30 minutes before actually sleeping. Wow, I'm not as tired as I used to be. Not to mention the long-term health benefits that this well-being will bring me. I think the investment is mega. The site is totally reliable. Delivery was fast with total certainty worth it. Without a doubt, I will ask for more. I was very satisfied with the service, product quality, and especially with the delivery.