L-Arginine Base

  • Improved blood flow during exercise
  • Supports the development of lean muscle mass
  • Helps to increase growth hormone
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L-Arginine AKG is a salt of the amino acid arginine and alpha ketoglutaric acid. L-Arginine AKG improves the delivery and retention of l-arginine in the muscle tissue for superior muscle performance

Arginine is one of the most versatile amino acids; it not only acts as a precursor for the synthesis of various proteins but also for the synthesis of nitric oxide, glutamate, growth hormone and creatine. Arginine plays many roles in the body which can directly influence performance. During periods of intense training the metabolic demand for arginine may exceed the body’s ability to produce it. Hence, arginine is considered a semi essential amino acid. Arginine supplementation is seen to provide a functional benefit to people involved in high intensity exercise.

Why choose L-Arginine?

Along with an appropriate training protocol and macro nutrient consumption, the intake of arginine has been shown to boost growth hormone (GH) after intense resistance training. Growth hormone is one of the primary hormones that help to create an anabolic state in the body; therefore, influencing the adaptation to resistance training. It is highly important to maximise GH levels after exercise if your goal is to improve body composition, strength or power.

The production of nitric oxide is another important function that arginine intake can offer to people completing various training programs. The production of nitric oxide sends a signal to the inner smooth-muscle cells of artery walls to dilate (relax), resulting in increased blood flow. Enhanced blood flow, particularly during exercise improves the delivery of oxygen and nutrients to the muscle cells which helps to boost exercise performance.

Serving size: 3 g

Servings per container: 83

Nutritional Profile:

Typical values Per Serving EU RDA%
L-Arginine 3 g
g = gram, † = Not specified, EU RDA = European Recommended Daily Allowance


Ingredients: L-Arginine

No artificial colours, flavours or preservatives. Suitable for Vegetarians.

Reference List

  • Chen S, Kim W, Henning SM, Carpenter CL and Li Z. Arginine and antioxidant supplement on performance in elderly male cyclists: a randomized controlled trial. J Int Soc Sports Nutr 7: 13, 2010.
  • Wu G and Morris SM, Jr. Arginine metabolism: nitric oxide and beyond. Biochem J 336 ( Pt 1): 1-17, 1998.
  • Zajac A, Poprzecki S, Zebrowska A, Chalimoniuk M and Langfort J. Arginine and ornithine supplementation increases growth hormone and insulin-like growth factor-1 serum levels after heavy-resistance exercise in strength-trained athletes. J Strength Cond Res 24: 1082-1090, 2010.

Take 1-3 g (5 ml scoop measures 3 g), twice daily in water or fruit juice, 30 minutes before and again after your workout.

Note: While we strive to ensure that all serving measurements are accurate using ROS scoops, these are only approximate and are not a substitute for using a weighing device.

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