Product Usage: This PRODUCT IS INTENDED AS A RESEARCH CHEMICAL ONLY. This designation allows the use of research chemicals strictly for in vitro testing and laboratory experimentation only. All product information available on this website is for educational purposes only. Bodily introduction of any kind into humans or animals is strictly forbidden by law. This product should only be handled by licensed, qualified professionals. This product is not a drug, food, or cosmetic and may not be misbranded, misused, or mislabeled as a drug, food, or cosmetic.
PT-141, also known as bremelanotide, is a synthetic cyclic heptapeptide analog of alpha-melanocyte-stimulating hormone (alpha-MSH). It emerged from earlier research into melanotan II, a compound originally studied for pigmentation effects, after investigators observed an unrelated effect on sexual arousal in early research subjects. PT-141 acts as an agonist at melanocortin receptors, primarily MC3R and MC4R, in the central nervous system. This is a mechanistic distinction worth noting for research context: it operates centrally, through brain melanocortin signaling, rather than through the peripheral vascular mechanism used by PDE5-inhibitor compounds.
A specific subcutaneous formulation of bremelanotide holds regulatory approval in the United States, under its own brand name, for addressing hypoactive sexual desire disorder in premenopausal women, one of the few peptides in this broader research category with a defined, regulatory-approved formulation. That approval applies specifically to that regulated product and its studied population; it does not extend to or validate research-only material supplied for laboratory use.
The most commonly reported effects across the published clinical literature are nausea and flushing, along with transient changes in blood pressure following administration. Because bremelanotide affects blood pressure, research and clinical use have generally excluded individuals with uncontrolled cardiovascular conditions.
For research-only compounds generally, identity, purity, sterility, dose accuracy, and route all affect the reliability of results, independent of what human trial history exists for the underlying molecule. Research protocols, routes, and any application of this compound are determined solely by the licensed researcher and their institution.
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These products are intended for laboratory research use only. They are not drugs, foods, cosmetics, or medical treatments and must not be used for any form of human or animal administration. All information provided is for educational and scientific reference only and the products should be handled exclusively by licensed, qualified professionals. Misbranding, misuse, or mislabeling of these products as therapeutic or consumable substances is strictly prohibited by law.
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