The SUSTAIN-6 trial documented worsening of existing retinopathy in some semaglutide users, likely because sudden improvements in blood sugar outpace the eye's ability to compensate
For these reasons, it's advisable to: Maintain the standard practice of taking levothyroxine on an empty stomach, typically 3060 minutes before breakfast [9] [15] Take levothyroxine consistently at the same time each day Have thyroid function tests (TFTs) checked 68 weeks after starting GLP-1 therapy and after significant weight loss, as your levothyroxine requirements may change Patients with hypothyroidism may also experience overlapping side effects
Variable responses are likely due to a combination of modifiable (i.e., dose, duration, co-supplementation, etc.) and non-modifiable (i.e., age, gender, disease) factors, although herein we will focus on the modifiable factors through which individuals might optimize muscle carnosine loading
Mol Pharmacol 46:909914 Kim SK, Woodcroft KJ, Khodadadeh SS, Novak RF (2004) Insulin signaling regulates gamma-glutamylcysteine ligase catalytic subunit expression in primary cultured rat hepatocytes
