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Citrulline Malate 2:1

amino acids

Citrulline malate is a compound combining the amino acid L-citrulline with malic acid in a 2:1 ratio. It is primarily used to enhance athletic performance, reduce fatigue, and improve blood flow and endurance during exercise. The malic acid component may provide additional energy support during intense physical activity.

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Benefits

Enhanced exercise performance and endurance
Reduced muscle fatigue and soreness
Improved blood flow and nitric oxide production
Increased ATP energy production
Support for recovery and stamina

Dosage

Typical Dose

6-8 grams per day

Upper Limit

16 grams per day

Timing

30-60 minutes before exercise for optimal effect

Forms & Bioavailability

Powder

High bioavailability; easily mixed into beverages and rapidly absorbed

Capsule

Good bioavailability; convenient but requires higher volume of capsules for effective dosing

Side Effects

Gastrointestinal discomfort or nausea at high doses
Diarrhoea or loose stools
Mild stomach upset or cramping

Interactions

May potentiate blood pressure-lowering medications
Potential interaction with erectile dysfunction medications
May enhance effects of nitrate-based medications

Research Summary

Research demonstrates that citrulline malate supplementation can improve aerobic and anaerobic exercise performance, reduce fatigue perception, and enhance recovery. Studies suggest the 2:1 ratio provides synergistic benefits, with malic acid supporting energy metabolism whilst L-citrulline increases nitric oxide availability. Evidence supports its use for both strength training and endurance activities.

The Bottom Line on Citrulline Malate 2:1

Citrulline Malate 2:1 is well-researched with strong evidence supporting its primary benefits.It is most commonly used for enhanced exercise performance and endurance and reduced muscle fatigue and soreness. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.

About Our Research

This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.

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Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement, especially if you have existing health conditions or take medication.

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