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Even though this effect may be mediated by the insulin receptor, experimental KO mice for the insulin receptor gene show a potent glucose lowering effect of IGF-1, indicative that the hypoglycaemic effect is also mediated, in part, by its own IGF-1R

Research demonstrates that 5 amino 1mq peptide treatment increases NAD+ levels by approximately 1.2 to 1.6-fold in adipocytes, with corresponding improvements in metabolic markers

Another 2024 study found that on-treatment weight loss on tirzepatide was greater than semaglutide at three, six, and 12 months (8)

However, for higher dosage, you might require a prescription if it is an extreme deficiency which you suffer from