Recent studies have shown that certain peptides can have a positive effect on cognitive performance. For example, one study found that a specific peptide called GHK-Cu improved cognitive function in rats.
GHK-Cu is a copper complex of the tripeptide Gly-His-Lys (GHK). This peptide has many beneficial effects on the body, including tissue repair and regeneration, and anti-inflammatory and antioxidant activity. GHK-Cu has also been shown to promote the growth of new neurons and improve synaptic plasticity.
These properties make GHK-Cu an ideal candidate for treating cognitive decline. In the aforementioned study, rats treated with GHK-Cu showed improved performance in various behavioral tests designed to assess cognition. These results suggest that GHK-Cu could be a promising treatment for cognitive impairment in humans.
Other peptides that have been shown to improve cognitive performance include Semax and Cerebrolysin. Semax is a synthetic analog of the adrenocorticotropic hormone (ACTH). ACTH is involved in the stress response and has been shown to have neuroprotective effects. Cerebrolysin is a brain-derived peptide that has been shown to stimulate neuronal growth and improve cognitive function in animal models of Alzheimer’s disease.
Thus, there is evidence to suggest that certain peptides can have a positive effect on cognitive performance. Further research is needed to determine whether these peptides are effective in humans.