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: Anxiolytics / Muscle Relaxers, Research Chemicals Related products Ketotifen $30.99 Add to cart Vardenafil $39.99 Add to cart Levothyroxine (T4) $34.99 Add to cart Pramipexole HCL $36.99 Add to cart