The best replacement for citrulline is arginine.

The best alternatives to citrulline are rated as following:
★★★★★  arginine
★★★★  citrulline malate
★★  beta alanine
★★  l-arginine
★  aakg
★  arginine which is better
★  agmatine
  arginine ornithine
  ornithine

Your alternative for citrulline is not listed? Suggest!
Speaking about citrulline, one probably shouldn't forget about arginine.

Other search terms related to citrulline and their ratings are:
★★★★★ arginine
★★ agmatine
★ l-arginine
★ l arginine
You have in mind a companion for citrulline and it is not yet here? Propose!



Google Trends

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citrulline
arginine
citrulline malate