Flavor with other natural flavors 20 g protein per can. 210 calories per can. Start with rich, bold Starbucks coffee. Then add in a delicious dose of dark chocolate flavor. And the real kicker? Twenty grams of protein in every can. When days are long, you stay strong. doubleshot.com. Comments or questions? Call 1-800-211-8307. doubleshot.com. Please recycle this can.