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L-arginine is a semi-essential amino acid that plays a key role in the formation of nitric oxide, a molecule that dilates your blood vessels and improves blood flow. This can lead to better oxygen and nutrient delivery to your muscles, which can improve performance and recovery. Whether sparring or intensive training, our L-arginine supplement is the ideal companion for everyone who wants to overcome their limits.


  • Developed with professional athletes
  • Manufactured according to GMP guidelines
  • Proven Quality
  • Quality ingredients
  • 100% l-arginine alpha ketoglutarate
  • Of which 67.5% pure L-arginine
  • 100% vegan


100% L-Arginine

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



L-arginine is a semi-essential amino acid found in the human body and in certain foods. It plays an important role in various bodily functions, including wound healing, kidney function and the immune system.

Regarding martial arts and physical training in general, L-arginine has several potential benefits:

Increased blood flow: L-arginine is a precursor to nitric oxide, a molecule that helps dilate blood vessels and improve blood flow. Improved blood flow can lead to better oxygen and nutrient delivery to muscles, which can increase performance and accelerate recovery after exercise.

muscle growth: L-arginine can stimulate the release of growth hormone, which is important for muscle growth and recovery.

energy production: L-arginine is involved in the production of creatine, a compound that aids in energy production in muscles.

Although L-arginine occurs naturally in many foods, L-arginine supplementation can be beneficial during intense training or martial arts.

Phantom Supplements

At Phantom Athletics , we are committed to excellence and excellence in sports and since our inception have provided products aimed at maximizing our community's athletic potential. Our brand new Phantom Supplement line represents the next milestone in our mission to help you reach your full athletic potential. In close partnership with our Phantom Athletes from a wide range of sports, we have developed a range of nutritional supplements designed to provide you with the best possible support in your sporting discipline. Our commitment to superior quality and customer satisfaction is unwavering. With manufacturing processes that follow GMP guidelines, first-class ingredients and a waiver of unnecessary additives, we ensure that the focus is on the essentials.

Your performance. our mission.

Proven Quality

The quality is always in the foreground in the production of our Phantom supplements. This is reflected in our careful selection of partners and production processes as well as in the selection of ingredients and the creation of recipes. Our dietary supplement products are consistently produced according to GMP (Good Manufacturing Practice) guidelines to ensure consistently high quality and to meet all regulatory requirements. In addition, all of our supplements are vegan - an expression of our conviction that products without animal cruelty are simply superior.

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 L-arginine


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

health claims


scope of delivery

Scope of delivery includes:

  • 1 can
  • 500 grams (100 servings of 5g each)

Consumption recommendation

Take 5g once a day with sufficient water. You can take the Phantom creatine monohydrate powder ALLDAY (before, during or after training).

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.