A review of the evidence published in the food-science literature notes that citrulline obtained from watermelon isnt broken down by the liver the way supplemental arginine is
Malkud S
Mechanism, results, and which to choose
The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression
[2] The US Food and Drug Administration (FDA) said serum calcitonin, a biomarker of medullary thyroid cancer, was slightly increased in liraglutide patients, but still within normal ranges, and it required ongoing monitoring for 15 years in a cancer registry
GLP-1 drugs: average weight loss of 10 to 15%, non-surgical treatment, less risky, but requiring continuous use and strict monitoring