Can Zink help with skin aging?

Zinc is an essential trace mineral important for skin health – it acts as an antioxidant, supports collagen synthesis, and aids wound healing. Some human studies suggest that topical zinc (e.g., zinc oxide) can strengthen the skin barrier and reduce mild signs of aging like wrinkles and loss of elasticity. However, evidence for oral zinc supplementation specifically for anti-aging is limited and mixed. Zinc deficiency can worsen skin conditions, but in well-nourished individuals, extra intake likely provides no measurable benefit. High doses (>40 mg/day) may cause copper deficiency, nausea, or immune dysfunction. Most anti-aging effects are observed topically rather than systemically. Overall, the evidence is moderate – there are indications but no strong, consistent proof. A blood test for zinc status may be advisable before supplementing.