When to take , morning
When to take L-Citrulline
Take L-Citrulline 30–60 minutes before training, 6–8g of pure citrulline or 8g of citrulline malate. It raises plasma arginine more reliably than arginine itself and supports nitric-oxide-driven blood flow during workouts.
Best: morningEmpty stomach
L-Citrulline8:00 am
00:00
scanning your day
Pinned to morning, the best window for L-Citrulline.
Why timing matters
Pre-workout timing (~30–60 min before) is the most-studied use.
Morning vs. night
Depends on when you train.
Why without food
Food is optional; some take it on an empty stomach for faster absorption.
Recommended schedule
30–60 min pre-workout
6–8g pure L-citrulline or 8g citrulline malate mixed in water
Don't take with
- • Nitrate medications (additive hypotensive effect)
FAQ
Citrulline vs arginine?
Citrulline raises plasma arginine more reliably than arginine itself and causes less GI distress.
Citrulline malate dose?
Studies use 8g citrulline malate (~4.5g citrulline + 3.5g malate).
On rest days?
Some take a lower 3g dose daily for vascular benefit; benefit on rest days is less established.
Sources
Go deeper on L-Citrulline
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