Additive is not synergistic If two compounds each produce an effect and the combination produces roughly the sum of those effects, that is additivity
Preyer, O
doi: 10.1007/s12020-021-02730-0 Summary Keywords growth hormone, insulin-like growth factor, GLP-1RAs, SGLT-2is, diabetes Citation Cignarelli A, Genchi VA, Le Grazie G, Caruso I, Marrano N, Biondi G, DOria R, Sorice GP, Natalicchio A, Perrini S, Laviola L and Giorgino F (2022) Mini Review: Effect of GLP-1 Receptor Agonists and SGLT-2 Inhibitors on the Growth Hormone/IGF Axis
Long Term Injection Site Management Retatrutide therapy typically extends for months to years