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De novo synthesis of serine from the glycolytic intermediate 3-phosphoglycerate (3-PG) occurs through a pathway consisting of three sequential steps: phosphoglycerate dehydrogenase (PHGDH) oxidizes 3-PG to 3-phosphohydroxypyruvate (pPYR) using an NAD + cofactor, phosphoserine aminotransferase (PSAT) transaminates pPYR to phosphoserine (pSER) using glutamate as the nitrogen donor, and finally phosphoserine phosphatase (PSPH) dephosphorylates pSER to produce serine [68]

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Key Benefits: Enhanced Bioavailability: Sublingual delivery avoids digestive degradation for faster, more effective absorption

Long-Term Oral Health Planning Patients planning long-term GLP-1 use should develop comprehensive oral health strategies with their dental team

Mild nausea or dizziness in some individuals