The 12mg dose produced the greatest average weight loss in the trial, but it was also associated with higher rates of gastrointestinal side effects
doi:10.1016/j.molmet.2018.12.001 36
Besides berberine, other botanicals including citrus fruit extracts, green tea, saffron, and coffee bean extract have been studied for their potential role in GLP-1 production with mixed results
Serving Size: One (1) Vegetarian Capsule Servings Per Container: 120 Amount Per Serving: 50 mg Caffeine Anhydrous 100 mg L-Theanine Ingredients: L-Theanine, Caffeine Anhydrous, Microcrystalline Cellulose, Hydroxypropyl Methylcellulose, Silicon Dioxide
GHK-Cu facial serum is typically applied daily for maximum effects
But we need a lot more research before we can draw any conclusions