Are you looking for the highest quality and strength? You have found it. Our Maeng Da Green Vein Extract is from our highly potent Extract line. What makes it our Maeng Da Green Vein Extract so top notch? Psst… We will let you in on our little secret. Our harvester carefully extracted alkaloids. Our secret process leaves behind only the purest premium Mitragyna speciosa powder. How strong you may wonder? 40X more premium and potent! We can’t ever keep this product on our shelves for very long. If you are reading this and it is still in stock, take advantage of it now before you have to wait for a while.