View cart “Levothyroxine (T4)” has been added to your cart. F-Phenibut HCL (powder)$99.99 25 grams (powder) For Research Purposes Only Not For Human Consumption Out of stock SKU: F-Phenibut HCL-powder-25-grams Categories: GABAergics, Research Chemicals Related products Letrozole $38.99 Add to cart Avanafil $47.99 Add to cart Ketotifen $30.99 Add to cart Vardenafil $39.99 Add to cart