Fatigue: Feeling tired even after a full night's sleep
Wastyk, H.C., Fragiadakis, G.K., Perelman, D., Dahan, D., Merrill, B.D., Yu, F.B., Topf, M., Gonzalez, C.G., Van Treuren, W., Han, S., Robinson, J.L., Elias, J.E., Sonnenburg, E.D., Gardner, C.D., & Sonnenburg, J.L
It ebbed and reappeared again around week four, which makes sense from what we know of tirzepatides half-life (of approximately five days), as it takes roughly four to five weeks of regular dosing to reach a steady state in the body where drug levels stabilise at a consistently higher baseline than in the early weeks
10.1016/0002-9343(92)90740-3 10 SonavaneK.ShirsatP.AgrawalG.AgarwalB
By addressing both hunger and metabolism, these treatments support sustainable weight loss, especially when combined with other lifestyle changes