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Explored as a possible aid for recovery and lean-mass preservation in frail or catabolic populations, though a Merck-sponsored Phase 2b trial in elderly hip-fracture patients (Adunsky et al., 2011, Archives of Gerontology and Geriatrics, PMID 21067829) was halted early over a cardiac safety signal rather than demonstrating a clear functional benefit

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Some formulations may have compatibility issues because Vitamin C products often use acidic formulas that may affect peptide stability

Effective storage reduces the chance of degradation or contamination

Vitamin B12 (Cyanocobalamin): Vital for red blood cell formation and neurological health

Schedule: Daily subcutaneous injections for 68 weeks during loading phase, then maintenance dosing 12 weekly [3]