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L Arginine

L Arginine is an amino acid that is popular amongst trainers for its role in nitric oxide synthesis within the body. Nitric oxide is a natural vasodilator, widening blood vessels throughout the body to give users the appearance of larger, firmer muscles known as ‘muscle pump’ following intense training sessions. From a training perspective, L Arginine’s benefits also include greater energy, strength and endurance making it popular for regular supplementation.

Data based on vanilla flavour ND Contour ND Hydroxyshred GARCINIA CAMBOGIA ACETYL L CARNITINE WHEATGRASS POWDER
Protein per serve (g) 18 25.9 0 0 0
Take For
Ingredients Whey & Casein Whey & Casein 100% garcinia cambogia 100% Acetyl Carnitine 100% Wheat grass
Carbs per serve (g) 2.1 3.1 0 0 0.5
Fat total per serve (g) 0.4 1.0 0 0 0.2
Sugars per serve (g) 1.7 2.6 0 0 0.2
Serving Size (g) 25 40   1 30
Serves per kilo 40 25 83 250 33
Additional Premium Ingredients Fat burners, fibre, colostrum Thermogenic whey protein blend to help build lean muscle and burn fat Hydroxy Citric Acid (HCA) is an ingredient found in the fruit rind of Garcinia cambogia 100% pharmaceutical grade Acetyl Carnitine 100% Wheat grass
Notes Female blend to build muscle and burn fat Fat burners, vitamins & minerals, colostrum Assists with appetite suppression and weight loss Releases stored body fats into the bloodstream Contains Chlorophy to help remove toxins
Flavours Chocolate, Vanilla, Coffee, Strawberry Choc, Vanilla Natural Natural  


  • Popular nitric oxide supplement
  • Assists with greater energy, strength and endurance
  • Increases muscle pump​

Enhance Your Gym Performance with L-Arginine

Most of us have little time to exercise when we finally make it to the gym. For that reason, maximising the time we do have is all the more important. If your gym performance is currently lacking, one of our amino acid supplements – L-Arginine – may provide you with the extra boost you need to see more results despite spending only a few hours in the gym over the course of a week. Read on to discover more about the benefits of L-Arginine from our amino acids supplements range and find out if this supplement could benefit you.

What Is L-Arginine?

Athletes wanting to increase their performance in the gym may benefit greatly from amino acid supplements such as L-arginine. Research has shown that L-arginine can relax and dilate the blood vessels; this means that nutrients, oxygen and all other important things you need during your training get to where they need to be faster.

Because of the specific functions of L-Arginine, it is often used by people for its cardiovascular benefits. Studies have indicated that the use of L-Arginine as a supplement could be beneficial for people suffering from heart problems, but also for people suffering from erectile dysfunction. In addition to these direct benefits, L-Arginine has also shown promise as a supplement for conditions such as kidney inflammation, high blood pressure, surgery recovery times and wound healing.

How Much L-Arginine Is Recommended?

Considering the various requirements of athletes and their diet, there is not really a pre-determined recommended dosage for L-Arginine. However, a common dose for the supplement lies between 2 and 3 grams of the supplement.

Various manufacturers will recommend different dosages as well, mainly because the recommended dosage may change depending on the physical activity and nutrition of the athlete. Therefore, always check the recommended dose provided by the supplement manufacturer, since the concentration inside their supplements may also vary slightly.

Can L-Arginine Be Obtained from Foods as Well?

L-Arginine is an amino acid that can be obtained from foods as well, but it is present in higher concentrations in amino acid supplements. That being said, if you would like to add more L-Arginine to your diet, you can also find it in foods such as nuts, seeds, cereals, dairy products, meat, chicken and chocolate.

What Else Can I Do to Increase My Gym Performance?

In addition to making sure you have the right amount of amino acid supplements to get more out of your workout, there are more things you can do than only using amino acid supplements. Check out our tips below for more valuable information on how to get the most out of your gym performance!

Slow-Digesting Carbohydrates for Better Fat Burning

When your main purpose for visiting the gym is fat burning, you might be able to benefit more from your training if you consume some slow-digesting carbohydrates right before you hit the gym.

Studies have shown that athletes consuming slow-digesting carbohydrates before they hit the gym had overall lower levels of insulin in their blood and burned more fat throughout the course of the day. Athletes consuming these types of carbohydrates also enjoyed more endurance, especially compared to those who consumed a fast-digesting carbohydrate supplement.

Reduce Your Fat Intake Before your Training

One of the things that can put a serious damper on your training is fat, which is why many trainers will recommend avoiding high-fat meals during the four hours before you train. A recent study executed at the University of Maryland, indicated that consuming a high-fat meal could hinder the ability of a substance called nitric oxide and prevent the substance from dilating the blood vessels for a period of four hours. Therefore, when you hit the gym under the influence of a high-fat meal, your body will struggle to get all the nutrients to where they need to go.

Add Some Greens to Your Pre-Workout Diet

While carbohydrates and proteins are the most discussed nutrients before and after workouts, you cannot forget about the greens either! Green foods, such as a small green salad, could actually increase the levels of nitric oxide in the body, subsequently promoting blood vessel dilation when you are working out. Therefore, trainers recommend consuming a healthy salad within 2 hours before your training.

Whey Protein and Creatine

L-Arginine can be a valuable ally for your training routine, but so can whey protein and creatine. Scientists at the University of Victoria in Australia discovered that test subjects consuming quality protein and creatine before and after their training experienced an 87% increase in muscle mass, a 36% increase in bench press strength, a 27% increase in squat strength, an increase of 25% in deadlift strength and an additional decrease in body fat by 3%. Put these benefits all together and you will probably be stocking up on whey and creatine already.

Get that Caffeine Boost

Studies have shown that caffeine can do a lot for athletes given its role as a stimulant. When caffeine is taken within 1 to 2 hours before a workout, caffeine can effectively increase the amount of fat you burn and reduce some of the muscle pain you can experience during your training.


There are numerous supplements and healthy foods that can help you get the physique you have always wanted. That being said, not much will change if you do not put in your hours at the gym. Even though we do need to train every day to gain in muscle mass, you will need to commit to an exercise plan created by an experienced trainer if you want the desired results.

Before you start taking any supplement or subject yourself to a training program, always make sure you have been given the all clear from a licenced health professional, especially if you have not been working out for a while. Getting a physical will increase your safety and that of others, so be sure to check with your doctor before undergoing your transformation.

Since L-arginine can be beneficial for numerous fitness goals, including enhanced sports performance, muscle building and endurance, it is a supplement that is considered by numerous athletes. However, beginners are often not familiar with this supplement, even though it could benefit them greatly in the gym. If you are starting out with a new workout routine, and are looking for numerous supplements you could add to your routine, be sure to consider L-arginine as well to benefit from greater energy, strength and endurance.

If you are unsure if L-arginine could benefit you, or if you have little experience with the use of supplements, you could find the supplements you need by using the filters on our website. On the Nutrients Direct website, athletes can filter supplement results by sport and goal, so use either of these two menus if you want quick access to supplements for your fitness goal or sport. Of course, good advice can also be obtained from professionals who are well-informed about supplements and their uses; this includes personal trainers, gym trainers and professional athletes. You could also speak to a nutritionist or physician to find out which nutrient may be missing in your diet, after which you could get a supplement from Nutrients Direct to increase your intake.




Serving size: 3g
Servings per package: 250g – 83, 1kg - 333


Average Quantity Per Serving

Average Quantity Per 100g
Energy 0 kJ 0 kJ
(0 Cal) (0 Cal)
Protein (dry basis) 0.0 g 0.0 g
Fat, total 0.0 g 0.0 g
- Saturated 0.0 g 0.0 g
Carbohydrate 0.0 g 0.0 g
- Sugars 0.0 g 0.0 g
Sodium 0 mg 0 mg
Potassium 0 mg 0 mg
L-arginine 3.0 g 100.0 g

Ingredients: 100% pharmaceutical grade L Arginine
May contain traces of milk, soybeans, cereals containing gluten, tree nuts, sesame seeds and their products.

Formulated Supplementary Sports Food.
This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate physical training or exercise program.

Not suitable for children under 15 years of age or pregnant women. Should only be used under medical or dietetic supervision.

Made in Australia from local and imported ingredients.


Directions for use:

As a dietary supplement consume 3g (1 level scoop) with your preferred amount of water or fruit juice twice daily.

Suitable for:

L Arginine should be taken 20-30 minutes before a workout to assist with energy, strength and muscle pump.


100% pharmaceutical grade L Arginine.

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