To reiterate: Pepsi Max found in non-US markets has similar amounts of caffeine to other colas. Pepsi Zero Sugar (US only - formerly called Pepsi Max) has significantly more caffeine than regular Pepsi (~5.75 mg / ounce compared to 3.17 mg / ounce).

Is there more caffeine in Pepsi Max or coffee?

One 12-ounce cup of brewed coffee, a tall at Starbucks® for example, may contain anywhere from 140 to 300 mg! And while soda is lower in caffeine than coffee, you can still overdo it (a 12-ounce can of Pepsi® or Coca Cola® has about 35 mg of caffeine).

Does Pepsi Max keep you awake?

Did you know that a 12 oz can of Coca-Cola may contain up to 46mg of caffeine? Pepsi is just as bad, you get 38 mg in a 12 oz can. ... Caffeine binds to it and keeps it from doing its job to make you sleepy. This delays your body clock which is why you may find yourself wide awake hours past your bedtime.