This is why following BUD dating and proper storage protocols is more important than relying on visual inspection alone
Change the Injection Site : Rotate the injection site to prevent repeated irritation in the same area

When to Contact Your Doctor Schedule a Routine Review Your weekly-average weight has been flat for four weeks or longer Hunger or cravings have returned strongly You have missed doses, had a treatment gap, or are unsure how to restart Side effects prevent adequate fluids, protein, or normal activity You want to change the dose, product, or medication Your blood glucose is higher or lower than expected You have new fatigue, hair loss, swelling, menstrual changes, or other symptoms Seek Prompt or Emergency Care for Red Flags Severe or persistent abdominal pain, especially if it radiates to the back Repeated vomiting, inability to keep fluids down, fainting, or signs of dehydration Yellow skin or eyes, fever with upper abdominal pain, or pale stools Swelling of the face or throat, breathing difficulty, or widespread hives Severe low-blood-sugar symptoms, particularly with insulin or a sulfonylurea Sudden or worsening vision changes Pregnancy planning Semaglutide should be discussed well before a planned pregnancy

Another important difference is how they work
I never thought I would be the type to do Botox and fillers but they do such a good job and the staff feels like family now
Cell culture studies demonstrate that GLP3 exhibits differential potency across its three target receptors: it is approximately 8.9-fold more potent at the human GIP receptor (EC50: 0.0643 nM) compared to the endogenous GIP ligand, while showing reduced potency at GLP-1 receptors (0.4-fold, EC50: 0.775 nM) and glucagon receptors (0.3-fold, EC50: 5.79 nM) relative to their native hormones[3]