Transferrin is an iron-transport protein. Its direct link to skin aging is not well established in evidence. Theoretically, disturbed iron metabolism (e.g., low transferrin or high ferritin) could promote oxidative stress, which may accelerate skin aging. However, no robust human studies validate transferrin as an independent biomarker for skin aging. The evidence is mechanistic and speculative. If you check your iron status, consider transferrin alongside ferritin, serum iron, and TIBC – but do not overinterpret it as a skin-aging marker. Normal transferrin does not rule out aging processes. For anti-aging, proven factors like UV protection, diet, and collagen are more relevant. Caveat: No clinical recommendation from a single lab value.
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