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It's more expensive that the rest of the serums from the brand, but I think it's worth
Unlike direct hormone replacement, Testagen theoretically works by modulating gene expression in target tissues to restore more youthful function patterns
Medical-grade bacteriostatic water from PSPeptides provides consistent 0.9% benzyl alcohol concentration that reliably inhibits bacterial growth throughout the vials use window
Clinical Nutrition Research 8 (1): 3645
