One study found that the sublingual form (which dissolves under the tongue) was more effective than an oral (swallowed) form
Each lot is a synthetic pentadecapeptide corresponding to the 15-residue sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val (GEPPPGKPADDAGLV), assembled by solid-phase peptide synthesis and purified to not less than 98% by reversed-phase HPLC, with lot-specific results documented on the Certificate of Analysis available on request

Consider Alternatives If Who Should Avoid Do not use if You have Wilson's diseaseyour body already can't process copper properly, and adding more is dangerous You're allergic to copper or have had reactions to copper-containing products You have active cancerGHK-Cu stimulates cell growth and blood vessel formation, which could theoretically fuel tumor growth You're pregnant or breastfeedingnot enough safety data exists for these populations You have severe liver diseasethe liver processes copper, and impaired function could lead to toxic buildup You're under 18this is for adult use only in research settings Use with caution if !You take copper supplements alreadytoo much copper can be toxic, so monitor your total intake !You have a history of kidney diseasecopper is partially cleared through the kidneys !You're on blood thinnersmay increase bruising at injection sites !You have autoimmune conditionsGHK-Cu modulates immune function in ways that might be unpredictable !You take high-dose zinc supplementszinc and copper compete for absorption !You're planning surgery soonits blood vessel growth effects may complicate procedures Administration How do I use it

Facilitates the synthesis of DNA and the formation of red blood cells
The research utilized male Sprague-Dawley rats and various in vitro and ex vivo experimental models
Deciphering the complex interplay of obesity, epithelial barrier dysfunction, and tight junction remodeling: unraveling potential therapeutic avenues