L-Citrulline (Erectile Support)
Amino Acid
Also known as: Citrulline, L-Cit, Citrulline malate
B
Grade B💊 1.5-3g L-Citrulline daily for erectile (higher for exercise)🎯 4 primary uses🔗 3 synergies⚠️ Review warnings
Overview
Amino acid that converts to arginine more efficiently, supporting nitric oxide for erections.
Primary Uses
Erectile functionNitric oxideBlood flowExercise performance
Dosage
Typical range
1.5-3g L-Citrulline daily for erectile (higher for exercise)
Timing
1-2 hours before activity
With food
Either way
Duration
Ongoing for sustained effect
Special Populations
Erectile support, exercise performance
Mechanism of Action
- • Converts to L-Arginine in kidneys
- • Sustained nitric oxide boost
- • May be more effective than arginine
- • Also exercise performance
Evidence Quality
Evidence Grade B
Good evidence for erectile support, may be better than arginine
Safety & Contraindications
Serious Warnings
- • Less likely to trigger herpes than arginine
Contraindications
- • Blood pressure medications (monitor)
Common Side Effects
- • GI upset (rare)
Pregnancy & Breastfeeding
Limited data
Liver & Kidney Notes
Safe
Interactions
💊 Medications
- • Blood pressure meds (monitor)
- • PDE5 inhibitors (caution)
🧪 Supplements
- • Can combine with arginine
- • Stacks with beetroot
🍽️ Food & Alcohol
- • Either way
Stacking & Synergies
Pairs Well With
BeetrootArgininePycnogenol
Avoid Combining With
Blood pressure meds without monitoring
Best Goal Synergies
Erectile functionExerciseBlood flow
Buying Guide
What to Look For
- • Pure L-Citrulline
- • 2:1 ratio for malate
Standardization Markers
L-Citrulline contentMalate ratio if applicable
Adulteration risk
Low
Practical Notes
- • May be more effective than arginine
- • Less GI issues than arginine
- • Converts to arginine in body
Tags
nitric-oxideerectileblood-flowamino-acid
Frequently Asked About L-Citrulline (Erectile Support)
How much L-Citrulline (Erectile Support) should I take?
The typical effective range is 1.5-3g L-Citrulline daily for erectile (higher for exercise). Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take L-Citrulline (Erectile Support)?
1-2 hours before activity. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take L-Citrulline (Erectile Support) with food?
Either way.
Does L-Citrulline (Erectile Support) interact with medications?
Yes — known interactions include Blood pressure meds (monitor) and PDE5 inhibitors (caution). If you take any prescription medication, talk to your doctor or pharmacist before starting L-Citrulline (Erectile Support).
What does L-Citrulline (Erectile Support) pair well with?
L-Citrulline (Erectile Support) stacks well with Beetroot, Arginine, and Pycnogenol — these combinations either improve absorption or work synergistically toward common goals.
Who should not take L-Citrulline (Erectile Support)?
L-Citrulline (Erectile Support) should be avoided or used with caution by people with Blood pressure medications (monitor). Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of L-Citrulline (Erectile Support)?
Most people tolerate L-Citrulline (Erectile Support) well. The most commonly reported side effects are GI upset (rare). Side effects are usually dose-dependent — lowering the dose often resolves them.
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.