PURCHASE, NY. — Rockstar Energy Drink, a PepsiCo, Inc. brand, is rolling out a new functional beverage.

Rockstar Focus is formulated with lion’s mane mushroom extract and 200 mg of caffeine per serving to provide a blend of energy and mental clarity, according to the company. Each 12-oz can also contains 100% of the recommended daily value of vitamins B6 and B12, along with no sugar or calories.

“Our new Rockstar Focus formulas are uniquely crafted to include the optimal blend of cutting-edge ingredients and the power of caffeine, setting a new standard to deliver not just energy, but mental focus,” said Danielle Barbaro, vice president of R&D at PepsiCo Beverages North America. “Through our proprietary design process, we artfully curated each flavor to provide the consumer with an energizing and refreshing taste experience.”