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B12 supports brain health and mood regulation

Long-term safety for injectable or systemic GHK-Cu has not been established through an FDA-approved prescribing label [8]

Last reviewed: July 1, 2026 Last updated: July 1, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

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Dim the lights before bed Avoid screens for at least 1 hour before sleeping Skip heavy meals and alcohol late at night Create a relaxing bedtime routine Quality sleep isn't just about feeling rested

We appreciate the funding support of NIH-NHLBI (2R15HL143545-02)