Overall, it has a lower risk than synthetic growth hormone, but it is not completely risk-free
doi: 10.1016/j.cell.2018.01.015 39 BuechlerMBFuWTurleySJ
It's derived from common plants such as cinnamon, mint, citrus, and lavender
Exercise Performance Support By optimizing your body's ability to use stored fat as fuel, L-Carnitine may improve exercise endurance, reduce perceived exertion during training, and support faster recovery between sessions
In a genetic preclinical study, embryonic GIPR knockout mice fed a high-fat diet were protected from obesity, supporting the role of GIPR antagonism as a method to promote weight loss and prevent weight gain (67)

Nervous system disorders Uncommon: Headache Not known: Convulsions*, Dizziness Heart disease Not known: Palpitations Vascular pathologies Uncommon: Hypertension, Hypotension Respiratory, thoracic and mediastinal pathologies Not known: Dyspnea Gastrointestinal disorders Common: Vomiting, Nausea, Diarrhea, Abdominal pain Uncommon: Dysgeusia, Dyspepsia, Dry mouth Skin and subcutaneous tissue disorders Uncommon: Abnormal skin odor ** Not known: Itching, Skin rash Musculoskeletal and connective tissue disorders Uncommon: Muscle spasms Not known: Myasthenia***, Muscle tension Systemic disorders and conditions related to the administration site Uncommon: Chest pain, Feeling abnormal, Pyrexia, Injection site reaction**** Diagnostic tests Uncommon: Increased blood pressure Very rare: Increased INR*****