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Zinc supports tissue repair and immune function

Its physiological concentration declines with age (from ~200 ng/mL at age 20 to ~80 ng/mL at age 60)

Xiaopeng Z, Jing Y, Xia L et al (2025) Global burden of Alzheimers disease and other dementias in adults aged 65 years and older, 19912021: population-based study

Together, they help the body heal faster, reduce inflammation, and restore performance at the cellular level

If the vial was exposed to moisture before you opened it, the powder may have partially degraded