K-OS Pre Workout

Regular price $29.95
Tax included. Shipping calculated at checkout.

K-OS Pre Workout by BSC

Get the most from every workout with a pre-workout scientifically designed to deliver results. Power through your next set, smash that last rep, lift heavier and achieve more every session. K-OS delivers the energy, focus, endurance and strength you need to smash out your workouts like never before.

Whether you want to build muscle or shred fat, you need to maximise your time and effort in the gym to achieve it. The synergistic blend of trusted ingredients in K-OS are designed to ignite your performance, not only delivering increased energy, intensity and focus to your workouts, but also improving your stamina, strength and recovery, whether in the gym or on the playing field.


3000MG CREATINE for explosive power, strength and energy, helping you lift heavier and for longer, and promoting muscle growth.

1500MG BETA ALANINE to improve muscle endurance and stamina, buffer lactic acid build-up and fight fatigue so you can train longer for greater gains.

250MG ARGININE a Nitric Oxide precursor to enhance endurance, muscle pumps and vasodilation, shuttling oxygen and nutrients to muscle tissue for better performance and muscle growth.

175MG OF CAFFEINE to give you the energy, motivation and mental focus to attack your next session with intensity

100MG OF L-TYROSINE to help boost alertness, attention and focus.

50MG OF L-CARNITINE TARTRATE to aid in metabolism of fatty acids and enhance fat loss.



The perfect pre-workout for those just starting out on their fitness journey or high-level elite athletes who require a HASTA Certified product. K-OS is free from banned substances well as any ingredients on WADA’s anti-doping list.


Whether you are looking to build muscle or shred fat, this product will give you all the tools you need to maximise your time in the gym. Stop training plateaus and reach your full potential today with K-OS Pre Workout. It’s time to take your training to a whole new level.

Changed your mind? Return your products unopened and we'll provide an exchange or a refund!

Fit Nutrition will immediately replace or refund any broken, damaged or incorrect items. Our policy lasts 30 days and we’ll make sure we deal with any issues straight away!

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Please note that we want all customers to be satisfied with their orders, however if you simply don't like the taste of something, give it to a friend who will, as we cannot refund for this reason.

At Fit Nutrition, our promise to you is to have orders dispatched and delivered as fast as possible, Australia wide.

Our shipping and handling fee is a flat $10 Australia wide or FREE DELIVERY if you spend over $100 per transaction.

Orders from our website www.fitnutrition.com.au  are dispatched daily by 2pm (excluding weekends and public holidays) and we aim to always offer prompt and timely service. We always try and get orders dispatched within 24-48 hours of purchase, however delivery is estimated 1-3 days in Metro Areas and 1-5 days in Rural Areas. Please note: during sale periods dispatch time is estimated but may take 1-3 days to be dispatched.

All orders are freighted via Australia Post and are delivered right to your door, so please ensure you provide your street address. Fit Nutrition cannot be held responsible for deliveries when an incomplete or incorrect address is provided.

At Fit Nutrition we aim to ensure the accuracy of all products, images and information on our website. Occasionally manufacturing changes can be released to market before our updates can be made. If you receive a product that differs to the one online please reach out to our Customer Service team so we can follow up with the brand and ensure the update is made. No matter the product you receive we always recommend reading the ingredients and directions prior to use, even if you’ve had the product previously, to ensure you have the most up to date information.

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