These medicines mimic the action of naturally occurring GLP-1, a hormone produced in the intestine that plays a crucial role in regulating blood glucose levels and appetite
All published research is preclinical in nature
Because of this activity, L-carnitine is concentrated in tissues that preferably use fatty acids as a fuel, namely the heart and skeletal muscle, where about 95% of total body L-carnitine is stored

Contact your GP promptly if you experience: Persistent fatigue, cold intolerance, or unexplained weight changes despite stable medication Symptoms suggesting worsening hypothyroidism (severe constipation, depression, muscle weakness, dry skin, hoarse voice) Unexplained changes in blood glucose patterns or difficulty achieving target levels New or worsening symptoms of hyperglycaemia (excessive thirst, frequent urination, blurred vision, fatigue) Frequent hypoglycaemia (blood glucose below 4.0 mmol/L"4 is the floor")trembling, sweating, confusion, palpitations, hunger Side effects from medications or concerns about treatment effectiveness Planning pregnancy or if you become pregnant, as both conditions require careful management, early thyroid function testing, and dose adjustments Seek urgent medical attention (call 999 or attend A&E) if you experience: Severe hypoglycaemia with loss of consciousness, seizures, or inability to swallow Diabetic ketoacidosis (DKA) symptoms: excessive thirst, frequent urination, nausea, vomiting, abdominal pain, fruity breath odour, confusion, breathlessness Hyperosmolar hyperglycaemic state (HHS) , more common in type 2 diabetes: profound thirst, severe dehydration, confusion or drowsiness, profound weakness, very high blood glucose If taking an SGLT2 inhibitor and feeling unwell with nausea, vomiting, abdominal pain, or breathlessnesseven if blood glucose is near normal (possible euglycaemic DKA) Chest pain, severe breathlessness, or signs of cardiovascular complications Symptoms of myxoedema coma (rare but serious hypothyroid complication: profound lethargy, hypothermia, confusion, reduced consciousness) For urgent but non-emergency advice , you can contact NHS 111 online or by phone

Expect weight loss to be the primary driver of any symptom improvement
The field is expanding rapidly, and the complete peptide list continues to grow as new compounds are identified and characterized