You cannot legally obtain it without a prescription from a licensed healthcare provider
Berberine is a bioactive compound extracted from several plants, including barberry, goldenseal, and tree turmeric
Weeks 1-4 Starting dose to assess tolerance Weeks 5-8 First dose increase Weeks 9-12 Therapeutic effects begin Weeks 13-16 Approaching target dose Week 17+ Full maintenance dose Side Effects & Safety Most gastrointestinal side effects are mild, temporary, and occur during the dose escalation period
Some people get products that claim to be retatrutide from unregulated, grey-market peptide suppliers, often promoted by social media influencers
Novo Nordisk has begun rolling out the product internationally, with regulatory submissions underway in other regions like Europe and, potentially, future SAHPRA review
[17] Demarquoy C, Demarquoy J