Appetite suppression decreasing, then feeling no appetite suppression, on the same dose, while weight remains stable isn’t tolerance, it’s how all GLPs work. On a given dose, your weight “thermostat”, the homeostasis weight your body wants to maintain, is set to a certain point. When you’re above that weight you experience appetite suppression, once you reach it appetite suppression stops. If you regain weight, on the same dose, appetite suppression will return until you return to the set weight again. To lose more you increase the dose, the homeostasis weight setting is now lower, and appetite suppression returns until you reach that weight.
If tolerance was developing, which has never once been observed in the thousands of participants in the 4 year+ trials of Sema and Tirz, weight would begin to return towards baseline.
Evidence is growing that interrupting treatment and restarting later can result in reduced efficacy, a type of tolerance, possibly from immunogenicity( developing an immunity to the drug). The same phenomenon has been observed with other peptide pharmaceuticals, sometimes causing a permanent decrease in effectiveness, not the “reset” people are hoping for.
More frequent injections, contaminants (especially the aggregates that form from degradation, or when reconstituting with too little water), can also contribute to this.
It’s essentially the same process vaccines use to train your immune system to recognize and destroy a certain molecule.
Filtering can help reduce the risk of this.
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