A 2025 systematic review published in PMC ( Hair Loss Associated With GLP-1 Receptor Agonist Use ) found that three studies reported significant hair regrowth with subcutaneous tirzepatide, while two others documented hair loss as an adverse event
If you're curious, here's when it might make sense to go on Ozempic for weight loss

Key monitoring parameters include: Weight and BMI : Track weight loss progress and ensure changes are gradual and sustainable (typically 0.51 kg per week) Mental health status : Assess mood, anxiety levels, and any emergence of suicidal ideation, particularly in the first weeks of therapy Gastrointestinal symptoms : Evaluate tolerance and implement management strategies for nausea, vomiting, or constipation Blood pressure and heart rate : Both medications can affect cardiovascular parameters Blood glucose levels : Essential in patients with diabetes or prediabetes Vision changes : Monitor for blurred vision or visual disturbances, particularly in patients with diabetes who may need retinal screening Gallbladder symptoms : Be alert for right upper quadrant pain that could indicate gallstones Common side effects patients should be aware of include: From Wegovy: nausea (most common), diarrhoea, constipation, abdominal pain, headache, fatigue, and injection site reactions From Wellbutrin: insomnia, dry mouth, headache, nausea, dizziness, and increased sweating Red flag symptoms requiring urgent medical attention include: Severe, persistent abdominal pain (possible pancreatitis) Persistent vomiting preventing oral intake Visual changes or eye pain Rapid heart rate or chest pain Seizures or loss of consciousness Worsening depression or suicidal thoughts Signs of allergic reaction (rash, swelling, difficulty breathing) Patients should contact their GP promptly if they experience concerning symptoms and should never discontinue either medication abruptly without medical guidance, as this could lead to withdrawal effects or worsening of underlying conditions

If you routinely draw 2 extra units per week, that is an additional 0.1 mg weekly, which over a month becomes a full extra dose worth of medication
Key variants in GLP1R, GIPR, FTO, and MC4R genes influence how your body responds to each therapy
Another hormone released from the gut is GIP