Sinetrol+ contains no stimulants like synephrine or octopamine. It’s made from the peel of citrus fruits, and is rich in polyphenols. Advanced Keto Blue Ca The Skald First Fat Burner Weight Loss Pills and the Nitrocut Pre-Workout Supplement are similar in such a way that they work best when you tend to do the more intense workouts. Both of the pills also help you get that extra energy to finish your workout. However, their process of getting you to your optimum condition is different.