l carnitine and heart rate l-carnitine Protective effects of on isoprenaline -induced kidney dysfunctions: Modulation of inflammation and oxidative stress-related gene expression in rats Didn't another study show – L-Carnitine in the Secondary Prevention

But - clinical trials aren't substantial, it's still not approved for use (indicating more safety data is warranted), most work is pre-clinical and or done with rodents not humans and given its ability to upregulate human growth hormone and angiogenesis (create new blood vessels), someone with a history of cancer would be advised to take serious precautions

The low doses used in this study did not elicit any changes in hyperglycemic levels or rate of weight loss

Cryo-EM structure of an activated VIP1 receptor-G protein complex revealed by a NanoBiT tethering strategy

6.1 mtDNA as a biomarker for ART toxicity, metabolic complications, and immunological failure Quantifying mtDNA damage provides a mechanistic insight into ART-related toxicities and may support personalized management