@nazleer you’re welcome. I did my research first. Even phoned a major health supplement company in California. I spoke to a sales representative who had positive remarks about the Lions Mane Mushroom.. Although his company did not offer it, he highly recommended buying through another manufacturer. I found mine on Amazon. I have provided the link for your review. https://www.amazon.com/gp/css/summary/edit.html/ref=dp_iou_view_this_order?ie=UTF8&orderID=112-0370912-5418639#