When to Stop and Seek Medical Advice Stop immediately and consult a doctor if you experience: Severe allergic reaction (difficulty breathing, swelling of face/throat) Chest pain or heart palpitations Severe persistent headache Signs of infection at injection site (increasing redness, warmth, pus, fever) Numbness or tingling in extremities Severe gastrointestinal symptoms (persistent vomiting, blood in stool) Important disclaimers: Peptides are not FDA-approved for most consumer uses (except semaglutide/tirzepatide for weight loss/diabetes) Most are sold as "research chemicals" quality varies dramatically by source Always inform your doctor about any peptides you're using People with active cancer should avoid growth hormone-releasing peptides Pregnant or breastfeeding women should not use peptides If you drink alcohol, review how it interacts with specific peptides for example, see our BPC-157 and alcohol guide How to Minimize Risks 1

This is a great time to double down on hydration and liver-supportive nutrients
However, real-life outcomes may be on the lower end
What to do: Stay hydrated, limit screen strain, and rest in a dark, quiet space if headaches flare up
Nicknamed the Barbie drug, a viral nose spray that promises to give users the perfect glow may deliver life-threatening complications