Blood flow, pumps & endurance
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before starting any supplement.
Citrulline Malate is a combination of the amino acid L-Citrulline and malic acid. Unlike arginine (which is heavily broken down in the liver), citrulline is converted to arginine in the kidneys, leading to higher and more sustained blood arginine levels — and therefore higher nitric oxide production. This makes citrulline malate one of the most effective supplements for improving blood flow ("pump"), exercise performance, and reducing muscle soreness.
It is particularly popular among lifters and athletes for enhancing the "pump" during workouts, improving endurance, and accelerating recovery between sets. Research consistently shows benefits at doses of 6–8g of citrulline malate taken 30–60 minutes before exercise.
Increases nitric oxide production more effectively than arginine, leading to better blood flow, muscle pumps, and nutrient delivery during workouts.
Research shows it can increase reps performed, time to exhaustion, and overall training volume in resistance and endurance exercise.
May help reduce delayed-onset muscle soreness (DOMS) and accelerate recovery between training sessions.
Very safe at recommended doses. Most people tolerate it well with minimal side effects.
Citrulline malate is well-supported by research for improving exercise performance. A 2019 systematic review and meta-analysis found a small but significant benefit for high-intensity strength and power performance compared to placebo. It is considered one of the most popular pre-workout ingredients for blood flow and performance.
| Ingredient | Best For | Key Difference |
|---|---|---|
| Citrulline Malate | Blood Flow, Pumps, Endurance | Raises arginine & nitric oxide effectively |
| Beetroot | Blood Flow, Endurance | Rich in nitrates; converts to nitric oxide |
| Arginine | Blood Flow, Heart | Direct precursor but heavily metabolized |
Citrulline Malate is often stacked with Creatine and Beta-Alanine for comprehensive performance support.
Full stack recommendations coming soon in our Stacks section.
1. Trexler ET et al. (2019). Acute effects of citrulline supplementation on high-intensity strength and power performance: a systematic review and meta-analysis. Sports Med, 49(5), 707–718.
2. Perez-Guisado J & Jakeman PM (2010). Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness. J Strength Cond Res, 24(5), 1215–1222.
3. Schwedhelm E et al. (2008). Pharmacokinetic and pharmacodynamic properties of oral L-citrulline and L-arginine. Br J Clin Pharmacol, 65(1), 51–59.
All references are peer-reviewed studies or position stands from reputable organizations.
Evidence-based supplement recommendations from a former physical store owner. No hype. No BS. Just facts.
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