Enhances blood flow for better pumps and endurance.
Effective Dose
3-6g of L-Citrulline or 6-8g of Citrulline Malate
Onset
Fast
Cost
Budget
Cycle
No cycling required. Citrulline can be taken continuously.
7 things you need to know
What it does
Enhances blood flow for better pumps and endurance.
Worth it?
7.5/10. Citrulline is a well-researched amino acid that effectively boosts nitric oxide production, leading to improved blood flow, exercise performance, and reduced muscle soreness. While not a miracle worker, it provides noticeable benefits for those seeking an edge in physical activity.
How much to take
3-6g of L-Citrulline or 6-8g of Citrulline Malate
Price
Cheap (under $15/month)
How fast it works
You feel it within an hour
Safety
Check if: individuals with low blood pressure, those taking medications for erectile dysfunction (pde5 inhibitors)
What people say
Users often report increased muscle pumps during exercise, improved endurance, and reduced muscle fatigue. Some may experience a mild increase in energy levels.
First isolated from watermelon (Citrullus vulgaris), hence the name.
"Users often report increased muscle pumps during exercise, improved endurance, and reduced muscle fatigue. Some may experience a mild increase in energy levels."
Research backing for this ingredient
Multiple high-quality studies confirm efficacy
65+
Yes
Strong agreement among researchers
Enhances high-intensity strength and power performance
Meta-analysis of 12 studies
Reduces blood pressure and improves vascular function
Meta-analysis of 8 RCTs
Decreases post-exercise muscle soreness (DOMS)
Several RCTs (e.g., n=41)
"Strong scientific evidence supports citrulline's role in enhancing nitric oxide production and improving exercise performance. Studies consistently demonstrate benefits across various populations and exercise modalities."
Citrulline helps your body produce more nitric oxide, which widens blood vessels, improving blood flow to muscles. This can lead to better performance during exercise and faster recovery.
Products below minimum dose are likely ineffective
When
Any time
How
3-6g of L-Citrulline or 6-8g of Citrulline Malate
Food
Take 30-60 minutes before exercise for optimal performance benefits. Can also be taken daily for general cardiovascular health.
Effects are typically noticeable within 1-2 hours of consumption.
No cycling required. Citrulline can be taken continuously.
Check for specific interactions.
Citrulline is categorized as a amino acid.
Scientific consensus score: 8/10.
Evidence quality: STRONG.
Add Citrulline to your stack analyzer or compare it with other ingredients.
Not medical advice. Always consult a healthcare provider.