One vial lasts 3-4 months, but the monthly fee covers the service not just the product
Additionally, it lightens skin by changing the hue of melanin
Beyond this, the serum vial is empty and the session is over
Theoretically, anything affecting growth hormone, blood sugar, or fluid balance could interact with its effects, and combining it with other hormone-active compounds increases uncertainty
10.2165/00151829-200504030-00003 Treat Respir Med
Adeva-Andany MM, Perez-Felpete N, Fernandez-Fernandez C, Donapetry-Garcia C, Pazos-Garcia C (2016) Liver glucose metabolism in humans