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As we age, our natural peptide production declines

Even when thyroid levels are brought back to normal with medication, many people still experience fatigue, muscle aches, depressed mood, decreased memory, psychological distress, and cognitive dysfunction

In addition, they protect thiol-containing proteins from irreversible oxidation during severe stress conditions (Figure 1: Redox control by protein thiols) [131]

Enhances skin firmness and smooth texture

Picture your skins structure like a brand-new mattress, where collagen and elastin are the firm, bouncy springs that give it shape and resilience

National Vital Statistics System, Mortality 20182024 on CDC WONDER Online Database, released in 2026