Berberine patches are classified as food supplements, not licensed medicines, meaning they have not undergone MHRA pharmaceutical evaluation for quality, safety, or efficacy
Furthermore, mast cells express various zinc transporters, including ZnT4, which facilitate the uptake and storage of zinc
For many, there are effective and less invasive options
This means getting enough exercise, eating a diet high in fiber, and making sure to drink plenty of water every day
The dose escalation protocol exists specifically to minimize these effects
Restarting fasting glucose above 110 mg/dL at follow-up after discontinuation suggests the metabolic cost of re-initiation may outweigh the benefit