Arts and Entertainment What drinks help you get hard? What drinks help you get hard? Love coffee or tea? Great! A 2005 review showed that caffeine may improve blood flow and relax the muscles that help you get and keep an erection. Try to keep it to black coffee, unsweetened tea, and caffeinated drinks without sweeteners. Related Posts:Great Value Pumpkin Spice Cappuccino Mix is a single serve drink.Can you grind coffee beans with a magic bullet?Does Nespresso make regular coffee?What is Grinds Coffee Pouches and how much do they contain?