L Citrulline

What is L Citrulline?

L Citrulline is a non-essential amino acid that plays a crucial role in the body’s nitric oxide cycle and blood flow regulation. It is naturally found in foods like watermelon, but it’s also produced by the body and commonly taken as a dietary supplement—particularly in the fitness and wellness world.

Unlike some amino acids used primarily for muscle building, L Citrulline is prized for its ability to enhance blood circulation, reduce fatigue, and improve endurance. It works by increasing the levels of another amino acid called L-arginine in the blood, which in turn boosts nitric oxide production. This nitric oxide relaxes blood vessels and improves overall vascular function.

Because of its impact on performance, L Citrulline is a popular ingredient in pre-workout supplements, recovery formulas, and energy blends. It’s also being studied for potential benefits related to heart health, cognitive function, and even erectile performance.

 

 

L Citrulline Benefits

The benefits of L Citrulline are rooted in its unique ability to boost nitric oxide levels and support healthy circulation throughout the body.

Here’s a closer look at the most common and well-studied benefits:

1. Improves Exercise Performance
   One of the key reasons people supplement with L Citrulline is its ability to delay fatigue and enhance performance during high-intensity workouts. It helps increase blood flow to muscles, allowing more oxygen and nutrients to reach them. This leads to improved stamina and shorter recovery times.
   
   
2. Boosts Blood Flow and Circulation
   By increasing nitric oxide production, L Citrulline helps widen blood vessels, promoting better circulation. This can benefit not just physical performance, but also cardiovascular health and overall vitality.
   
   
3. Supports Muscle Recovery
   Post-exercise, L Citrulline may help reduce muscle soreness and accelerate recovery. Some studies show that athletes who take L Citrulline report less delayed onset muscle soreness (DOMS) compared to those who don’t.
   
   
4. May Enhance Cognitive Function
   Better blood flow isn’t just good for the muscles—it benefits the brain too. L Citrulline may support cognitive performance by promoting oxygen delivery and reducing mental fatigue, especially in demanding physical or stressful situations.
   
   
5. Potential Support for Erectile Function
   Because of its role in enhancing blood flow, L Citrulline is sometimes used as a natural aid for erectile dysfunction. Some research shows it may help improve erection hardness in men with mild symptoms, without the side effects of pharmaceutical alternatives.
   
   
6. Heart Health and Blood Pressure
   Improved vascular function and reduced arterial stiffness are potential cardiovascular benefits of L Citrulline. Some studies suggest it can help lower blood pressure, particularly in people with prehypertension.
   
   
7. Supports Detoxification
   L Citrulline plays a role in the urea cycle, helping the body eliminate ammonia and other toxins produced during metabolism. This can support overall metabolic health and reduce fatigue during intense activity.

 

L Citrulline Side Effects

L Citrulline is generally well-tolerated and considered safe for most people when taken in recommended amounts.

However, there are a few things to be aware of:

1. Mild Digestive Discomfort
   In some cases, especially at high doses, L Citrulline can cause mild side effects like bloating, gas, or an upset stomach. These symptoms are usually temporary and can be managed by lowering the dose or taking it with food.
   
   
2. Possible Interaction with Blood Pressure Medications
   Because L Citrulline increases nitric oxide levels and may reduce blood pressure, it can potentially interact with medications for hypertension. If you’re on blood pressure meds, it’s best to consult your healthcare provider before using it.
   
   
3. Caution with Erectile Dysfunction Medications
   If you’re taking medications like sildenafil (Viagra), combining them with L Citrulline may amplify blood flow effects. Always speak to a doctor if you’re using either for sexual performance support.
   
   
4. Not Studied for Long-Term Use
   Although current studies show promising benefits, there’s still limited research on the long-term use of high doses of L Citrulline. For most people, a moderate daily dose of 3–6g is considered safe and effective.

 

L Citrulline Supplements

L Citrulline is available in various supplement formats, with each offering different advantages based on your goals and preferences. It’s important to choose the right format and dosage for your needs.

1. Powdered Form
   The most popular form of L Citrulline is powder, often found in standalone supplements or as part of pre-workout blends. It’s easy to mix into water or smoothies, and offers precise control over dosing. Look for L Citrulline rather than citrulline malate if you’re aiming for pure nitric oxide benefits (though citrulline malate may offer additional benefits for athletes).
   
   
2. Capsules
   L Citrulline capsules offer a convenient way to take your daily dose without any flavour or mixing. This format is ideal for those who travel frequently or dislike the taste of powders.
   
   
3. Pre-Workout Gummies
   L Citrulline pre-workout gummies are an emerging and exciting way to take this performance-boosting amino acid. They offer a delicious, easy-to-take format that’s ideal for people who don’t want to fuss with powders or pills. Plus, when formulated correctly, L Citrulline gummies deliver a functional dose while making supplementation part of your daily routine—no shaker bottle required.
   
   At JOULY, we believe our pre workout gummies are the future of everyday performance and recovery support—delivering clean ingredients and convenience in one go.
   
   
4. Pre-Workout Blends
   Many pre-workout products include L Citrulline as a key ingredient. These are great if you’re looking for a combination of energy-boosting compounds like caffeine, beta-alanine, and creatine alongside L Citrulline. Just make sure you’re getting a clinically effective dose (usually 3g or more).

 

What to Look for in an L Citrulline Supplement:

• Pure L Citrulline vs. Citrulline Malate: Know the difference and choose based on your goal
• Clinical Dosage: Aim for at least 3g of L Citrulline daily for performance benefits
• Third-Party Testing: Ensure purity, potency, and safety
• No Fillers or Artificial Additives: Especially important in gummies and powders

 

Final Thoughts on L Citrulline

Whether you’re an athlete, fitness enthusiast, or just someone looking to feel more energised and focused, L Citrulline is a scientifically-backed amino acid that delivers real, noticeable benefits. From improving endurance and recovery to supporting cardiovascular health and cognitive function, L Citrulline works behind the scenes to optimise how your body performs and recovers.

With clean, effective formats like L Citrulline gummies now available, there’s no reason not to make this powerhouse amino acid part of your daily wellness routine.