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Booster knockout

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The Phantom Knockout Booster was developed in close cooperation with our professional athletes. It comes in powder form and mixes easily with water without leaving any residue. Beta-alanine and 200 mg of caffeine per dose let you start your next workout full of motivation.


  • Taste: orange-mango
  • Developed with professional athletes
  • Manufactured according to GMP guidelines
  • Proven Quality
  • Quality ingredients
  • With L-arginine, L-citrulline, caffeine, beta-alanine and turmeric
  • 100% vegan

250 grams (16 servings)

L-citrulline DL-malate, beta-alanine, L-arginine, creatine (13.3%), acidifier citric acid, release agent silicon dioxide, flavorings, L-norvaline, caffeine (1.3%), sweetener sucralose, turmeric extract , nicotinamide. (May contain traces of gluten, egg, soy, milk, peanuts and tree nuts.)

dosing recommendation
Stir 15g powder into 350ml water. Consume a maximum of 1 serving per day.

Shipping | returns

✔ Free shipping from $71.90 order value (for DE & AT)
✔ Delivery within 1-3 working days (for DE & AT)
✔ 30 days Extended return policy


Pre workout booster

Our goal was to create a pre-workout product that helps athletes to always push themselves to their performance limits with motivation during their workout and to get the most out of themselves. The Phantom Knockout Booster was created specifically for martial arts. It contains beta-alanine, the amino acids L-arginine, L-citrulline as well as creatine, caffeine and turmeric. The ideal motivation for your next workout.

Phantom Supplements

At Phantom Athletics , we believe in performance and excellence in sports and have always delivered products to enhance our community's athletic performance. With our brand new Phantom Supplement line, we're taking the next step to make you the best athlete you can be. In close cooperation with our Phantom athletes, from a wide variety of sports, we have succeeded in developing a range of nutritional supplements to optimally support you in your sport. We attach great importance to the highest quality and customer satisfaction. Controlled manufacturing processes according to GMP guidelines, the best ingredients and all without useless additives. So that the focus is on what really matters.

Your performance. our mission.

Proven Quality

In the production of our Phantom supplements, we attach great importance to quality. Both in the selection of our partners and the production, as well as in the selection of the ingredients and the composition of the recipes.
For this reason, all our supplement products are manufactured according to GMP (Good Manufacturing Practice) guidelines. Through this good manufacturing practice, we always ensure the quality of our dietary supplements and meet all the requirements of the authorities. In addition, all of our supplements are vegan - out of the conviction that products without animal cruelty are simply better.

health claims

“Health claims” means “health claims”. Since 2006, these have been regulated in the "Health Claims" Regulation (EC) No. 1924/2006. This means, among other things, that food supplements may only be advertised using the “health claims” listed there. Depending on the ingredients. Below you will find the permitted health claims for this product, if any.


Info: Phantom Knockout Booster


Martial arts, urban fitness, outdoor, indoor, cross training and all performance sports.

health claims

Active substance information (according to regulation (EU) 432/2012):

  • Creatine increases physical performance during high-speed strength training as part of short-term intense physical activity.

scope of delivery

Scope of delivery includes:

  • 1 can
  • 250 grams of powder (16 servings)

Consumption recommendation

On training days, drink 15g powder dissolved in 350ml water once a day. It is best to take the Phantom Knockout Booster BEFORE (approx. 30-45 minutes before) training.
Dietary supplement with caffeine, creatine, plant extract and amino acids. With sweetener.
Contains caffeine (200mg/15g serving). Not recommended for children and pregnant women!

Return and Refund

You can return this item to us within 30 days of receipt, in an unopened and resalable condition.
After this period, a return is no longer possible. We will refund the purchase amount within 14 days after receipt of your return.
click HERE for more information on returns.