BUY FROM THESE SELLERS :
I am writing this review after using Naturaltein 07 Pre-Workout for one week, and I must say that this product did not work for me at all. I bought this pre-workout because it is a "TRUSTIFIED" and certified product, and its composition includes Citrulline Malate and other key ingredients in the right form. However, IT DOES NOT WORK FOR BEGINNERS ALSO. My first pre-workout was MuscleBlaze 200 Extreme, which gave me a good pump and focus. Even though Naturaltein 07 has a better ingredient profile than MuscleBlaze 200 Extreme, I felt no effects whatsoever. I even increased the dosage to 1.5 scoops, but still experienced no results. If you are considering buying this product just because it is "TRUSTIFIED and tested," DON'T WASTE YOUR MONEY. I made the mistake of purchasing two boxes, and it was a complete waste.