Highest Quality Ingredients
Fast, Free Delivery
Secure Payments
24/7 Customer Service

L-Citrulline Powder

From £5.30
In stock
Only %1 left

  • Discover the exceptional quality of LifeLab Supplements' pure L-Citrulline Powder, boasting an outstanding purity level of 99.87%, devoid of any fillers or additives.
  • Stringent laboratory examinations ensure genuineness and maintain an unmatched degree of purity.
  • Primary component: Pure L-Citrulline, an amino acid naturally present in the body.

117.11kg currently in stock
Order by 12pm for delivery by Next Working Day
Order before 12pm for same day dispatch (subject to stock)
Free Delivery on all orders over £50
Free standard 48 hour delivery on all UK orders over £50
Save Up to 7.5%
The more you buy, the more you save

  • L-Citrulline Powder is commonly combined with L-Arginine for enhanced benefits. 
  • Those pursuing improved physical performance, such as athletes and bodybuilders, might find L-Citrulline supplementation beneficial.
  • Shipped within 1 working day subject to stock.   

L-Citrulline Powder Usage, Dosage and Side Effects:

How to take L Citrulline Powder L-Citrulline can be taken by adding the recommended dose to drinks such as water or fruit juice, or by placing the recommended dose into empty capsules and swallowed.
When to take L Citrulline L-Citrulline is best taken in the morning prior to training.
L Citrulline Powder Dosage As a dietary supplement we recommend taking 2 grams of L-Citrulline up to 3 times daily.
L Citrulline Powder Side Effects At very high dosages L-Citrulline may cause stomach upset and problems with digestive health.


Our L-Citrulline is a crystalline off-white / white powder with a slight odour. This product's certificate of analysis can be viewed within product pictures above. Our UK stocked L-Citrulline is certified suitable for vegetarians and vegans.

Synonyms and brand names for L-Citrulline are 2-amino-5-(carbamoylamino) pentanoic acid, Citrulline, Citrulline Malate, L-Citrulina, L-Citrulline AKG, L-Citrulline-Alpha Ketoglutaric Acid, L-Citrulline Malate, Malate de Citrulline.

Further information on L-Citrulline can be found on the product questions tab above.

Advisory Information

The products sold by LifeLab are not intended to diagnose, treat, restore, correct or modify any functions in human beings. They are solely intended to help maintain & support a healthy lifestyle. The claims presented have not been evaluated by the FDA or the MHRA. We recommend that you seek advice from a fully qualified healthcare professional before consuming any of these products especially if you are taking other medications or pregnant. Discontinue use and consult a doctor if any adverse reactions occur. Not intended for use by persons under the age of 18. Keep out of reach of children. Store in a cool, dry place.

Customer Questions
What is the benefit of taking L-Citrulline as a supplement?
Is L-Citrulline used in the Cosmetics Industry?
Is L-Citrulline used in the Agricultural Industry?
Is L-Citrulline used in the Food Industry?
Does L-Citrulline lower blood pressure?
What actually is L-Citrulline Powder?
Is L-Citrulline really worth it?
What is the difference between Citrulline and L-Citrulline?