fda compounding semaglutide warning letters november 2025 The has received reports of adverse events after patients used compounded versions of semaglutide. Some compounders may also be using unapproved salt forms. Patients should avoid compounded when an FDA-approved FDA Warning Letter Breakdown: Sterility

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Product-specific temperature, light-protection and handling instructions should always take priority over general guidance

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A purity of exactly 99.00% should raise questions

Due to the loss of the brain privilege for vitamin B2 supply, this inherited condition may be particularly relevant for CNS diseases such as migraine, brain ischemia, traumatic brain injury, neurodegenerative disorders (especially Parkinson and Alzheimers diseases), epilepsy, multiple sclerosis, and for Guillain-Barr syndrome, myasthenia, and mitochondrial myopathies

Hendren RL, James SJ, Widjaja F, Lawton B, Rosenblatt A, Bent S