Struggling with ED? Ro Sparks get you harder, faster. Sparks are a powerful 2-in-1 prescription ED treatment that works in 15 mins on average* and lasts up to 36 hrs! 💥 Spark a change in your sex life. Connect with a provider and, if prescribed, get treatment 100% online. *after medication dissolved. – Sparks is a compounded prescription drug that contains sildenafil and tadalafil and is used to treat erectile dysfunction (ED). Compounded drugs are permitted to be prescribed under federal law,