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Citrulline Synergy is a complex of citrulline and citrulline malate. The supplement is recommended to be used before training.

Citrulline is a non-proteinogenic amino acid that is involved in many important processes in the body. Its natural sources are, among others watermelon and melon. Citrulline is involved, among others in the urea cycle - an important metabolic process during which ammonia produced in the transformation of amino acids is removed from the body. In addition, citrulline is also a product in the synthesis of nitric oxide (NO), in the reaction:

Arginine ➞ NO + citrulline

Interestingly, citrulline can be converted back into arginine, from which NO is produced. Thanks to this, although the only substrate in the synthesis of NO is arginine, citrulline can be effectively used for the production of NO (after conversion into arginine). In the digestive system there is a very active enzyme arginase, which causes that a large part of arginine is used in the urea cycle. One of the tasks of NO is to relax the muscles of blood vessels, which increases their diameter.

Dr. L. Ignarro, who won the Nobel Prize for his research on NO, suggested eating foods rich in citrulline or supplementing it to improve the functioning of the endothelium of blood vessels (the lining of blood vessels that produces, among other things, NO).

The advantage of Citrulline Synergy is the combination of two forms of citrulline.


Active ingredients
Amount per serving 6 g* 3 g

Active ingredients

  [Citrulline Malate, L-Citrulline] 4800,00 mg 2400,00 mg
            of which L-Citrulline 3708,00 mg 1854,00 mg


*Daily portion of the product



CITRULLINE COMPLEX [citrulline malate; L- citrulline] (80,0%); maltodextrin; anti-caking agent – silicone dioxide; acidity regulator – citric acid; flavourings; sweetener – sucralose; thickener – cellulose gum.