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The Incredible Benefits of L-Arginine

August 31, 2023 4 min read

The Incredible Benefits of L-Arginine-VPA Australia

What is L-Arginine?

L-Arginine or Arginine is an essential amino acid known for its remarkable role in various bodily functions. From cardiovascular health to muscle growth and repair, this little powerhouse offers numerous benefits. In this article, we will discuss the science behind L-Arginine's potential advantages, while also addressing top questions regarding this supplement.

Potential Benefits of L-Arginine for Cardiovascular Health

L-Arginine acts as a precursor to nitric oxide, a molecule that helps relax blood vessels and improve blood flow. This mechanism can potentially lower blood pressure and reduce the risk of heart disease. By promoting healthy circulation, L-Arginine supports cardiovascular health and overall well-being.

How L-Arginine Aids in Muscle Growth and Repair

As a key player in protein synthesis, L-Arginine plays a vital role in muscle growth and repair. By increasing the production of growth hormones and insulin, this amino acid facilitates muscle development and accelerates the recovery process. Athletes and fitness enthusiasts often turn to L-Arginine supplements to enhance endurance, reduce fatigue, and achieve their performance goal.

L-Arginine Supplementation for Weight Loss and Metabolism

L-Arginine is a popular choice among individuals aiming for weight loss and an improved metabolism. By increasing nitric oxide production, L-Arginine enhances blood flow to muscle tissues, increasing energy expenditure, and promoting fat burning. Additionally, L-Arginine supports the growth of lean muscle mass, which can further aid in weight management. 

What’s the difference between L-Arginine and AAKG?

L-arginine and AAKG (Arginine Alpha-Ketoglutarate) are both dietary supplements commonly used in the fitness and bodybuilding communities. They both contain the amino acid L-arginine, but there are some differences between the two:


L-Arginine: This is a basic amino acid that plays various roles in the body, including aiding in protein synthesis, promoting blood flow, and supporting the immune system.

AAKG: Arginine Alpha-Ketoglutarate is a compound formed by combining L-arginine with alpha-ketoglutarate, a key intermediate in the citric acid cycle (Krebs cycle) that is involved in energy production. AAKG is often used as a supplement for its potential to enhance exercise performance, increase nitric oxide production, and improve nutrient delivery to muscles.

2.Nitric Oxide Production:

L-Arginine: L-arginine is a precursor to nitric oxide (NO), a molecule that helps dilate blood vessels and improve blood flow. Increased NO production can have benefits for cardiovascular health and exercise performance.

AAKG: AAKG is believed to boost nitric oxide levels more effectively than plain L-arginine because the alpha-ketoglutarate component may enhance the conversion of L-arginine into nitric oxide.

3.Exercise Performance:

L-Arginine: L-arginine has been studied for its potential to improve exercise performance and muscle growth by increasing blood flow and nutrient delivery to muscles.

AAKG: AAKG is often marketed as a supplement for athletes and bodybuilders due to its potential to enhance nitric oxide production and improve oxygen and nutrient supply to muscles during exercise.

4.Absorption and Bioavailability:

L-Arginine: Plain L-arginine supplements might be absorbed differently by individuals, and factors like the presence of other amino acids can influence absorption.

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AAKG: Some believe that AAKG's combination with alpha-ketoglutarate might enhance its absorption and bioavailability, potentially making it a more effective form of arginine supplementation.

5.Dosage and Formulation:

L-Arginine: This is available as a standalone supplement in various forms, such as capsules, tablets, and powders.

AAKG: AAKG is typically available as a powder or in pre-workout formulas.

It's important to note that while these supplements have potential benefits, the effects can vary from person to person. If you're considering using either L-arginine or AAKG, it's recommended to consult with a healthcare professional or a registered dietitian to determine the appropriate dosage and usage based on your individual health and fitness goals.

Side Effects and Risks of L-Arginine Supplementation

While L-Arginine is generally safe for most people, some individuals may experience mild side effects such as stomach discomfort or diarrhea. Moreover, individuals with certain medical conditions, including herpes and low blood pressure, should exercise caution and consult with a healthcare professional before starting L-Arginine supplementation. It is crucial to follow recommended dosage guidelines and consider potential interactions with other medications.

Natural Food Sources of L-Arginine:

L-arginine is an amino acid that is naturally found in a variety of foods. Including these foods in your diet can help increase your intake of L-arginine. Here are some natural food sources of L-arginine:

  • Meats and Poultry: beef, pork, chicken, turkey, lamb.

  • Seafood: tuna, shrimp, salmon, halibut

  • Dairy Products: yogurt, cottage cheese, ricotta cheese

  • Nuts and Seeds: peanuts, almonds, walnuts, pumpkin seeds

  • Legumes: lentils, chickpeas (garbanzo beans), black beans, soybeans

  • Grains: oats, wheat germ, quinoa

  • Fruits: watermelon, citrus fruits (oranges, grapefruits), grapes

  • Vegetables: spinach, peas, beets

  • Herbs and Spices: garlic, onions

It's worth noting that while these foods contain L-arginine, the amount of L-arginine in each food can vary. Additionally, L-arginine is sensitive to cooking and processing, so the content might change when foods are cooked, canned, or otherwise prepared.

If you're looking to increase your intake of L-arginine, incorporating a variety of these foods into your diet can be beneficial. However, if you're considering L-arginine supplementation for specific health or performance goals, it's important to consult with a healthcare professional before making any changes to your diet or supplement regimen.


In conclusion, L-Arginine offers a wide range of potential benefits for cardiovascular health, muscle growth and repair, weight loss, immune function, sexual health, and mental well-being.

However, it is crucial to seek guidance from a healthcare professional before starting any supplementation regimen, as individual needs and considerations may vary. Remember to prioritise your health and make informed decisions by consulting with a healthcare professional to determine if L-Arginine supplementation is appropriate for you.

Whether you choose to incorporate L-Arginine through natural food sources or supplements, it's essential to maintain a balanced lifestyle and prioritize your overall well-being.

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