fda approved l-carnitine (500mg) Acetyl L-Carnitine 500 mg (Label)

Prescription levocarnitine (brand name Carnitor) is an MHRA-licensed medicine used only for confirmed primary or secondary carnitine deficiency under medical supervision, and it is not licensed for weight loss

Stress can reduce growth performance, damage liver structure, and disrupt hepatic glucose metabolism and lipid metabolism 6

Funding This research was supported financially by the Sichuan Science and Technology Program (2022NSFSC1539, 2023NSFSC1698, 2023NSFSC0529, and 2022YFS0629) and the Foundation of Southwest Medical University (2022QN042, 2022QN085, 2022QN102, and 2022QN118)

J Geochem Explor 52:523

AES (Supplementary Note 1) were synthesized by PCR amplification of the Kan R cassette of pKD4 using primers containing 50 bp identity arms (Supplementary Table 2)