BulkSupplements L-Citrulline - Supplement for Better Exercise Performance What Is L-Citrulline Powder? L-citrulline powder consists of a nonessential amino acid that is produced naturally by the body. It is most commonly taken by bodybuilders and athletes to improve exercise endurance. L-Citrulline Powder Benefits* L-citrulline powder is most well-known for supporting ... Read More