Regular price $39.95
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K-OS by Body Science

Pre workouts don't have to get your over stimulated and itching out of your skin to get a good result. K-OS Pre Workout has been designed to help support mental concentration, focus and clarity whilst increasing energy levels to perform at your best every workout. But that's not what makes K-OS a special pre workout. What makes K-OS stand out from the rest is the thorough testing with every batch to ensure there is zero banned substances in it so it's athlete certified!

Creatine, BCAAs, Vitamin B3 and Vitamin B12 are an important factor in K-OS as they help to maintain and support energy production. 

K-OS ticks all the boxes for a pre workout that performs. Low carb, low calorie, gluten free, vegan friendly, no artificial colours and HASTA certified. Know you're getting only the best quality with K-OS!


  • Supports mental concentration, focus and clarity whilst increasing energy levels
  • Contains zero banned substances
  • Low carb and low calorie
  • Gluten free
  • Vegan friendly
  • No artificial colours

How To Take

Mix or shake 6g (3/4 scoop) with 200-250ml of cold water (to desired sweetness) and consume immediately. Start with 1/2 scoop or less to assess your tolerance. Do not exceed more than 1 serving per day.

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!

Get in touch

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 Couriers Please 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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