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Modulating phenylalanine metabolism by L

Biomedical Optics Express

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Clinicians managing patients on testosterone who wish to explore retatrutide should: Consult the relevant clinical trial protocols if the patient is enrolled in a study Seek specialist endocrinology input before initiating any off-label or investigational combination Document clinical rationale clearly , obtain informed consent, and follow GMC Good Practice in Prescribing and Managing Medicines and Devices guidance when considering unlicensed or investigational treatments Until formal guidance is available, clinical decision-making should be guided by individual patient riskbenefit assessment, informed consent, and regular monitoring

Hair greying is not listed as a recognised symptom of B12 deficiency in UK clinical guidelines, and testing for B12 deficiency solely for hair greying is not routinely indicated without other compatible symptoms or risk factors