Do you know how much caffeine is in the drink you just bought? Top Nutrition Coaching crunched the numbers to illustrate the reality under the lid.

Celcius Heat, Bang, and Rockstar Xdurance energy drinks have the most caffeine. (300 mg) Caffeine consumption is safe, but don't exceed 400 mg daily.

Rockstar’s latest campaign sees the PepsiCo energy drink brand looking to separate itself from the increasingly crowded functional beverage market by bringing a new science-based claim to life.

Celcius Heat, Bang, and Rockstar Xdurance energy drinks have the most caffeine. (300 mg) Caffeine consumption is safe, but don't exceed 400 mg daily.

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 ...

EXCLUSIVE: Energy drinks like Rockstar, PRIME energy and Monster all possess between 160-200mg of caffeine per 500ml - double the amounts found in a cup of coffee.