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Description
The dysesthesia side effect (tingling or numbness) at higher doses is unique to retatrutide and resolves for most researchers, but it is an additional consideration

Allergic Reactions or Side Effects Seek medical attention immediately if you experience an allergic reaction or serious side effects after using vitamin B12 supplements

In contrast, semaglutide, alongside similar weight loss drugs like Zepbound (tirzepatide), have gone through extensive reviews and are FDA-approved

Less common systemic effects include mild lightheadedness (possibly copper-related), temporary headache, and occasional mild fatigue
