Reported protocols generally skip a missed dose and resume the schedule the next day rather than double-dosing
N Engl J Med 2005
431 Furthermore, ZIP6/ZIP10 heteromer plays an essential role in zinc-induced mitosis, involving breast cancer proliferation

Ingredients Galactomyces Ferment Filtrate, Glycerin, Cetyl Ethylhexanoate, Propanediol, Dicaprylyl Carbonate, 1,2-Hexanediol, Betaine, Cetearyl Alcohol, Polyglyceryl-10 Laurate, Methyl Trimethicone, Silica, Cetearyl Olivate, Panthenol, Phenyl Trimethicone, Potassium Cetyl Phosphate, Water, Sorbitan Olivate, Bisabolol, Ammonium Polyacryloyldimethyl Taurate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Dipropylene Glycol, Squalane, Laminaria Japonica Extract, Eclipta Prostrata Leaf Extract, 3-O-Ethyl Ascorbic Acid, Glutathione, Ethylhexylglycerin, Fragrance, Lavandula Angustifolia (Lavender) Oil, Coptis Japonica Root Extract, Xanthan Gum, Butylene Glycol, Adenosine, Fructooligosaccharides, Sorbitan Isostearate, T-Butyl Alcohol, Hydrogenated Lecithin, Beta-Glucan, Hydrolyzed Hyaluronic Acid, Ascorbic Acid, Tocopherol, Allantoin, Ceramide NP, Oryza Sativa (Rice) Bran Oil, Oryza Sativa (Rice) Bran Extract, Glyceryl Stearate, Phytosphingosine, Cholesterol, Ceramide AP, Ceramide AS, Ceramide NS, Caprylyl Glycol, Ceramide NG, Ceramide EOP, Linalool, Limonene Out of stock

Most users report neutral or improved digestive function rather than problems
In a 2025 review, Sikiric and his team report that the study found the peptide was safe and well-tolerated, but they have not published the data