For patients with POTS, this means less venous pooling in the legs, improved blood flow to the brain, and a reduction in the compensatory reflex tachycardia that causes severe palpitations upon standing
[2] [3] The most common adverse reactions reported in clinical trials include nausea, diarrhea, vomiting, constipation, and abdominal painall gastrointestinal effects that occur in more than 5% of patients
Complex peptides such as retatrutide require multi step solid phase peptide synthesis and careful purification to achieve research grade purity
[121] [123] Malabsorption [edit] Individuals with pernicious anemia do not have the ability to produce intrinsic factor
A large real-world cohort study published in JAMA Network Open followed over 18,000 propensity-matched adults and found that those taking tirzepatide were significantly more likely to achieve 5%, 10%, or 15% weight loss within one year compared to those taking semaglutide
However, the agency does not review the safety and efficacy of these products