Skip to main content

Up to 15% off products when you checkout or sign up


  • Egg free

  • Tree nut free

  • Gluten free

  • cGMP

  • Soy free

  • Vegan

  • Non-GMO

  • Wheat free

  • Milk free

  • Fish free

Citrulline is a non-essential amino acid that is an important intermediate in the urea cycle, functioning along with other amino acids to rid the body of ammonia, a by-product of protein metabolism.* Citrulline also plays an important role in the healing process and in the maintenance of a healthy immune system.*


Suggested Use / Directions:
Take 1 tablet 1 to 2 times daily between meals.

Serving Size:
1 Tablet

Amount Per Serving:

L-Citrulline ... 1.2 g (1,200 mg)**


Other Ingredients:
Stearic acid (vegetable source), croscarmellose sodium, microcrystalline cellulose, vegetarian coating and silicon dioxide.


For adults only. Consult physician if pregnant/nursing, taking medication (especially blood pressure medications and nitrates or other vasodilating drugs), or have a medical condition (especially abnormal blood pressure). Keep out of reach of children. Natural color variation may occur in this product.

L-Citrulline ES

NOW Foods

$39.99

Sign up for exclusive store pricing

Shop the entire wellness catalog, held to a higher standard

Shop practitioner-grade products, each meeting the same bar for quality through Fullscript's standards.

Powered by
Sign up to shop
  • Verified

    Sourced straight from the brand — no resellers or fakes

  • Enhanced testing

    Select products are tested in-house — get exactly what the label promises

  • Stored and shipped

    From certified facilities, to protect product integrity