Which amino acid is better l citrulline or l arginine - Infinite Labs (2024)

Are you considering taking amino acid supplements to boost your workout routine? If so, you may have come across two popular options - L-citrulline and L-arginine. These amino acids are known for their ability to enhance workout performance, improve blood flow, and boost recovery. However, which one is better for you?

In this blog, we will explore the benefits of both L-citrulline and L-arginine, compare them side by side, and explore the differences between these amino acids to help you make an informed decision. After reading this blog, you'll be able to determine which one is the right choice for you.

What are Amino Acids?

Amino acids are the building blocks of proteins and are essential for several bodily functions, including muscle building and immune system function. Nine out of 20 amino acids are essential, meaning they have to be taken through diet. L-citrulline is a non-essential amino acid found in foods like watermelon and supplement form, used for enhancing exercise performance.

On the other hand, L-arginine is an essential amino acid that the body cannot make on its own. It is found in several food sources and supplements and plays a crucial role in regulating blood flow, immune system function, and cell signaling. L-arginine supplementation has been linked to improved cardiovascular health, muscle performance, and sexual function. While both amino acids are beneficial, L-arginine has a broader scope of application and benefits for the body.

Which amino acid is better l citrulline or l arginine - Infinite Labs (1)

What is L-Citrulline?

L-Citrulline is an amino acid that is found in watermelon and dietary supplements, which can enhance exercise performance. Citrulline supplements provide either free-form L-Citrulline or L-Citrulline malate to increase the citrulline levels in the body. L-Citrulline can also convert to L-arginine, which can boost blood flow and help with erectile dysfunction. Citrulline is effectively converted to L-arginine in the kidneys, which makes it helpful in muscle gain, exercise, and cardiovascular health.

Studies show that citrulline can reduce perceived exertion, decrease muscle soreness, and increase power output. However, more research is needed to determine the appropriate dosages and formulations for citrulline supplementation.

What is L-Arginine?

L-Arginine is an amino acid that is found in many food sources and is also available in supplement form. One of the benefits of L-Arginine is that it helps increase the production of nitric oxide in the body, which can lead to improved circulation, muscle growth, exercise performance, and overall health. When taken with L-Citrulline, the two can work synergistically to further enhance the benefits of nitric oxide production.

L-Citrulline, found in food sources like watermelon, can be converted to L-Arginine in the body and also boosts the production of nitric oxide, helping to relax arteries and improve circulation. Ultimately, whether L-Citrulline or L-Arginine is better for you may depend on your individual health needs and goals. However, taking both together can provide many benefits to your overall health and well-being.

Benefits of L-Citrulline and L-Arginine

L-Citrulline and L-Arginine are two popular supplements that can promote:

  • Cardiovascular health
  • Increase nitric oxide production
  • Enhance muscle function
  • Improve athletic
  • Sexual performance

Recent studies suggest that L-Citrulline may be more effective than L-Arginine at increasing nitrous oxide in the body. But taking both supplements together may boost the benefits for heart health, blood flow, and recovery from intense workouts.

For specific effects on muscle function or erectile dysfunction, L-citrulline alone or a combination of both supplements is recommended. Moreover, L-citrulline and L-arginine can help keep you healthy by relaxing blood vessels and increasing circulation in the body. Being a popular topic of discussions among fitness enthusiasts, you need to keep in mind that proper consultation with a doctor before consumption is always recommended.

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Comparison of L-Citrulline and L-Arginine

L-citrulline and L-arginine are both amino acids that are involved in the production of nitric oxide (NO) in the body, which is important for vasodilation and cardiovascular health. However, there are some differences between the two amino acids.

  • Structure: L-citrulline is a non-essential amino acid, while L-arginine is an essential amino acid. L-citrulline is converted to L-arginine in the body, which then converts to nitric oxide.
  • Bioavailability: L-citrulline has higher bioavailability than L-arginine, meaning it is more easily absorbed and utilized by the body.
  • Timing: L-citrulline is slower to act than L-arginine. It takes longer for L-citrulline to be converted to L-arginine and then to NO, but the effects may last longer.
  • Dosage: The effective dosage of L-citrulline is typically higher than that of L-arginine.
  • Benefits: Both amino acids have similar benefits, such as improving blood flow and cardiovascular health, and supporting athletic performance. However, L-citrulline may have additional benefits, such as improving muscle protein synthesis and reducing fatigue.

L-arginine and L-citrulline have distinct differences and benefits. It is important to note that sticking to the recommended dosage is crucial. Always consult a doctor before starting any supplement regimen.

Exploring the Differences

L-Citrulline and L-Arginine are both amino acids that are important in the production of nitric oxide in the body, which helps to improve blood flow and circulation. However, there are some differences between the two amino acids.

L-Arginine is a precursor to nitric oxide and is converted to nitric oxide in the body by an enzyme called nitric oxide synthase. It is also involved in the production of proteins and the synthesis of creatine, which is important for energy production in the muscles.

L-Citrulline, on the other hand, is converted to L-Arginine in the kidneys, which then leads to the production of nitric oxide. This means that L-Citrulline may be more effective than L-Arginine at increasing nitric oxide levels in the body, as it bypasses the liver and is converted to L-Arginine directly in the kidneys.

Additionally, L-Citrulline may have a longer lasting effect on nitric oxide levels than L-Arginine, as it has been shown to be more readily absorbed by the body and to remain in the bloodstream for a longer period of time.

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Which is better?

Both L-Citrulline and L-Arginine play an important role in maintaining overall health. However, L-Citrulline is more effective at increasing nitric oxide levels compared to L-Arginine. The combination of L-Arginine with L-Citrulline can work synergistically to increase nitric oxide production, resulting in improved circulation, muscle growth, exercise performance, and overall health.

Both amino acids are effective for long-term results such as improving cardiovascular disease, but a combination or L-Citrulline alone may be better for muscle function or erectile dysfunction. So, the choice of amino acid would depend on your personal health goals. It's important to consult with a healthcare professional before adding any new supplements to your diet.

You May Also Know

  1. Can I take L-arginine and L-citrulline together?

Yes, taking L-arginine and L-citrulline together can be beneficial for increasing nitric oxide production, which can lead to various health benefits. L-arginine produces nitric oxide directly, while L-citrulline improves its bioavailability for better circulation, muscle growth, and exercise performance.

A combination supplement of both or L-citrulline alone may be helpful for specific effects on muscle function or erectile dysfunction. L-citrulline is a non-essential amino acid that can convert into arginine and nitric oxide to improve blood flow and oxygen circulation.

  1. Which is better between arginine and citrulline malate?

While both arginine and citrulline malate have potential benefits, some research suggests that L-citrulline may be the better choice. Citrulline malate is comprised of L-citrulline and DL-malate, which may help with blood flow and energy conversion.

While citrulline and arginine can be taken together, L-citrulline has better bioavailability and may be more effective for athletic performance, vascular health, and erectile dysfunction. It is found in watermelon and can also be taken as a supplement.

  1. Do I need both L-citrulline and L-arginine?

While L-arginine and L-citrulline can each offer benefits individually, taking them together can maximize the benefits of increasing nitric oxide levels. This combination has been shown to improve cardiovascular, immune, and sexual health.

L-arginine and L-citrulline have distinct differences, with L-citrulline being more effective in increasing plasma arginine levels. Combining them can support cardiovascular health, boost nitric oxide production, and improve blood flow. It can also enhance the immune system, detoxify the liver, improve workout recovery, and increase sexual stamina.

  1. Does citrulline increase muscle mass?

Citrulline can act as a vasodilator, enhancing blood flow and cardiovascular health. It is also generally well-tolerated and does not typically result in gastrointestinal distress. Additionally, citrulline may provide the body with the raw material it needs to make specific proteins.

Overall, more research is needed to fully understand citrulline's potential benefits, but it shows promise as a potential supplement for improving cardiovascular health and exercise performance.

Let’s Sum Up

Both L-Citrulline and L-Arginine belong to the amino acid family and have a myriad of health benefits. However, choosing the better one depends on personal health goals, lifestyle habits, and body types. While L-Citrulline is perfect for expanding the blood vessels and aiding in the regeneration of injured tissues, L-Arginine stimulates the production of Nitric Oxide, which enhances blood flow to the muscles. Ultimately, both amino acids are critical in supplementing the body with the necessary nitric oxide levels to maintain a healthy lifestyle.

Which amino acid is better l citrulline or l arginine - Infinite Labs (2024)

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