1. authorization on the top tab: the genuine red bull will have a circle of authorization small print on the top tab: the trademarks of "Red Bull" and "Red Bull" are authorized by Thailand Tencel Health Care Co., Ltd., which is the black font below, and others are not pirated.

2, look at the trademark: the trademark of genuine Red Bull is two circles, and the LOGO of the trademark is in the middle.

3. Ingredients list: The ingredients list of true red bull comes up with its most special ingredients taurine and lysine, including the coffee factor that we use extremely, and the fake front is water and sugar.

4. Logo of registered trademark on the side of the package: The "acronym of the first letter of English word" is displayed on the outer package, which is very concise and clear, but the fake shows a very common abbreviation of English word TM.

5. English letters of the trademark on the package: the second letter printed on the real red bull is "E", and the fake second letter is "A". You can't tell the difference between these two letters without looking carefully.