This is a daily-use, cumulative approach rather than an immediate appetite switch
Bremelanotide is mainly used to study and treat female sexual dysfunction, especially hypoactive sexual desire disorder

Water, Herbal Infusion (Indian gooseberry (Emblica officinalis) fruit*, Guduchi (Tinospora cordifolia) stem*, Lodhra (Symplocos racemosa) bark, Manjistha (Rubia cordifolia) stem*), Aloe (Aloe barbadensis) Leaf Juice, Glyceryl Stearate, Meadowfoam (Limnanthes alba) Seed Oil, Lactobacillus Ferment, Niacinamide, Cetearyl Alcohol, Cucumber (Cucumis sativus) Distillate*, Glycerin, Hemp seed (Cannabis sativa) oil*, Cetearyl Olivate, L-Carnitine, Olive (Olea europaea) Oil*, Sodium Hyaluronate, Vitamin E (non-GMO Tocopherols), Diaminopropionoyl Tripeptide-33 (Preventhelia), Acetyl Tetrapeptide-40 (Telangyn), Ceramide NP, Ceramide AP, Ceramide EOP, Phytosphingosine, Cholesterol, Sorbitan Olivate, Sodium Lauroyl Lactylate, Rosemary (Rosmarinus officinalis) Leaf Extract, Hydoxyethylcellulose, Carbomer, Caprylyl Glycol, Raspberry Ketone, Xanthan Gum, Citric Acid, Sodium Phytate, Potassium Sorbate, Sodium Bicarbonate

The many blood vessels identified as being activated by specific pathways following a given vessel injury require a regularly applicable therapy, with beneficial effects dependent on, but not limited to, occlusion of a particular vessel (Sikiric et al., 2018)
The FDA began allowing the distribution of compounded semaglutide and tirzepatide when both drugs were initially placed on the agencys drug shortage list in 2022
Understanding why the weekly schedule matters provides important context when considering any timing adjustments, including taking your dose a day early