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Head-to-Head Comparison When to Choose Sermorelin GH improvement is your primary goal You want stimulate natural gh production GH improvement, body composition, sleep, anti-aging are your focus areas When to Choose GHK-Cu Skin anti-aging is your primary goal You want collagen stimulation, skin rejuvenation Skin anti-aging, wound remodeling, hair growth are your focus areas Can You Use Both
While it is available as a dietary supplement and has shown positive results in animal studies, clinical trials have yet to investigate its efficacy and safety in various applications
Change dose or switch peptides if there is a suboptimal response after the planned test period, usually 8 to 12 weeks, unless clinical indications dictate otherwise
PubMed Central, Guilford, Frederick T., and Janette Hope
Despite its potential in vitro , in vivo therapeutic efficacy was limited due to insufficient peptide expression (Lin et al., 2016)