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BSC K-OS Preworkout (HASTA)

BSC K-OS Preworkout (HASTA)

Regular price $29.95
Regular price $49.95 Sale price $29.95
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About BSC K-OS Pre-Workout

Experience a new level of performance with BSC K-OS Pre-Workout, a carefully crafted supplement designed to enhance your workouts. Discover the benefits of this high-quality pre-workout formula, trusted by athletes and fitness enthusiasts alike.

Benefits of BSC K-OS Pre-Workout:

  • Mental Focus and Clarity: Support your mental concentration, focus, and clarity, allowing you to stay fully engaged during your training sessions.
  • Increased Energy Levels: Boost your energy levels to power through even the most intense workouts, enabling you to push beyond your limits.
  • Muscle Support: Enhance your muscle mass and promote muscle growth, helping you achieve a stronger and more defined physique.

Australia's First Therapeutic Pre-Workout:

BSC K-OS Preworkout proudly holds the distinction of being Australia's first-ever therapeutic (listed medicine) pre-workout. This certification ensures that you're using a pre-workout of the highest quality and effectiveness.

Third Party Tested for Your Peace of Mind:

To guarantee the utmost safety and purity, every batch of BSC K-OS Preworkout undergoes thorough third-party HASTA® testing. With over 200+ WADA prohibited substances screened, you can have complete confidence in the quality and integrity of the product.

How to Use BSC K-OS Pre-Workout:

Mix 3/4 scoop (1 serving) of BSC K-OS Pre-Workout with 250ml of cold water 30 minutes before your workout and consume immediately. Start with a half serving to assess your tolerance and never exceed 1 serving per day.


For orders over $95, we offer FREE postage Australia wide
For orders below $95, the regular postage fee Australia wide is $10
For orders below $95, the express postage fee Australia wide is $14.95


We aim to dispatch all orders within 1-2 days. Once your order is dispatched, you will get an email with a tracking number with a clickable link. Alternatively, you can simply visit AusPost and enter your tracking number.

If your delivery seems to be taking longer than expected, please email us at, and we would be happy to follow it up for you!

We have a 30 Day refund/ return policy. However, please find our full list of terms and conditions here.


Have a full read of our shipping policy here or reach out to us directly.
You can email or buzz us on 02 6290 6635.
Happy shopping Oxygen crew!