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Water retention (typically mild) with sustained GH elevation
Rajagopalan, S., Andreeva, A., Rutherford, T
PSPeptides manufactures all GHK-Cu peptide domestically, reducing transit time and exposure to temperature variations that can degrade peptide integrity before it reaches your laboratory
Vitamin D deficiency climbs from 7.5% at 6 months to 13.6% at 12 (Butsch et al., 2025), and ferritin runs 2630% below comparison groups (Urbina et al., Clinical Obesity 2026)
doi: 10.1016/j.arthro.2024.09.005
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