This can be where xylazine comes in: it extends the effect of fentanyl––or, as this is frequently placed on the street, “it provides it legs.” Introducing xylazine to a success can postpone cravings and withdrawal indications for twice provided that fentanyl alone. Xylazine is FDA-authorised to be used in animals https://xylazine-in-powder-form06924.techionblog.com/26798954/is-xylazine-a-synthetic-drug-an-overview