The best replacement for l-citrulline is citrulline malate.

The best alternatives to l-citrulline are rated as following:
★★★★★  citrulline malate
★★★★★  l-arginine
★★★★  l-citrulline malate
★  citrulline
★  aakg
  l arginine

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

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



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l-citrulline
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