SAFE — No Known Interaction
🟢 SAFE — Modafinil and Citrulline can be taken together safely.
Evidence level: LIMITED
Modafinil and Citrulline are safe to take together based on current evidence. No adverse interactions reported.
No clinically significant interaction between Modafinil and Citrulline has been identified in medical literature.
No interaction between Modafinil and Citrulline has been documented in clinical literature. Even so, always let your doctor and pharmacist know you're taking Citrulline — it helps them make better decisions about your care.
Take Modafinil in the morning — stimulants should be taken early to avoid insomnia. Citrulline can be taken at a separate time. Avoid vitamin C and acidic supplements within 1 hour of amphetamine-based stimulants — acidity reduces absorption. L-theanine is a popular pairing for focus without jitteriness.
Higher risk for: those with cardiovascular conditions, hypertension, anxiety disorders, history of seizures, concurrent caffeine or sympathomimetic use, elderly, or those with hyperthyroidism.
Monitor heart rate and blood pressure when combining Modafinil with Citrulline. Watch for: jitteriness, insomnia, heart palpitations, anxiety, excessive sweating, restlessness, or appetite loss. Some natural products can amplify stimulant effects. When to seek emergency help: Chest pain, irregular heartbeat, severe anxiety or panic, difficulty breathing, or fainting. Reduce caffeine intake while using stimulant medications. Tell your prescriber about all supplements you take.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Safe combination at standard doses. Continue your medication as prescribed. Inform your doctor or pharmacist that you are using both, so they can monitor for any changes over time.
Modafinil and Citrulline are safe to take together based on current evidence. No adverse interactions reported.
Take Modafinil in the morning — stimulants should be taken early to avoid insomnia. Citrulline can be taken at a separate time. Avoid vitamin C and acidic supplements within 1 hour of amphetamine-based stimulants — acidity reduces absorption. L-theanine is a popular pairing for focus without jitteriness.
Monitor heart rate and blood pressure when combining Modafinil with Citrulline. Watch for: jitteriness, insomnia, heart palpitations, anxiety, excessive sweating, restlessness, or appetite loss. Some natural products can amplify stimulant effects. When to seek emergency help: Chest pain, irregular heartbeat, severe anxiety or panic, difficulty breathing, or fainting. Reduce caffeine intake while using stimulant medications. Tell your prescriber about all supplements you take.
Safe combination at standard doses. Continue your medication as prescribed. Inform your doctor or pharmacist that you are using both, so they can monitor for any changes over time.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Or browse the full interaction database (121,000+ pairs).