Pre-workout supplements are a popular choice for athletes looking to boost their energy, focus, and performance during training. There are many different brands of pre-workouts available, each with its own unique blend of ingredients and flavors. Some of the most popular brands of pre-workouts include:

1. Optimum Nutrition Gold Standard Pre-Workout: This pre-workout contains a blend of caffeine, beta-alanine, and BCAAs to provide a boost of energy and support muscle growth and recovery. It’s available in a variety of flavors, including fruit punch, green apple, and blueberry lemonade.

2. Primal Pharm STIM Pre-Workout: This pre-workout contains caffeine, beta-alanine, and arginine to increase energy and endurance, and improve focus and performance. It’s available in a range of flavors, including watermelon, cherry limeade, and green apple.

3. Transparent Labs PreSeries BULK: This pre-workout contains a blend of natural ingredients, including beta-alanine, citrulline malate, and BCAAs, to increase energy and endurance, and support muscle growth and recovery. It’s free of artificial sweeteners, colors, and preservatives, and is available in flavors like blueberry lemonade and fruit punch.

4. MuscleTech NeuroCore: This pre-workout contains caffeine, beta-alanine, and choline to increase energy and endurance, and improve mental focus and clarity. It’s available in flavors like fruit punch, lemon lime, and watermelon.

5. BPI Sports Best Pre-Workout: This pre-workout contains caffeine, beta-alanine, and citrulline malate to increase energy and endurance, and support muscle growth and recovery. It’s available in flavors like fruit punch, watermelon, and green apple.

In conclusion, there are many popular brands of pre-workouts available, each with its own unique blend of ingredients and flavors. Some of the most popular brands include Optimum Nutrition Gold Standard Pre-Workout, Primal Pharm STIM Pre-Workout, Transparent Labs PreSeries BULK, MuscleTech NeuroCore, and BPI Sports Best Pre-Workout.