Evidence check: Nährstoffcheck in the context of Haut

A nutrient check in the context of skin, as offered by MyBody-X, typically analyzes DNA variants in genes like VDR (vitamin D receptor) or SOD2 (superoxide dismutase). However, the evidence for personalized dietary recommendations from such tests is weak. VDR variants have only a small effect on vitamin D metabolism, and SOD2 variants alter antioxidant capacity marginally. High-dose antioxidants are not proven beneficial and may be harmful. Skin health is far more influenced by UV exposure, diet, sleep, and skincare. MyBody-X itself rates many of these tests as 'marketing' or 'mechanistic'. A nutrient check can serve as a conversation starter for a balanced diet but does not replace medical advice. Caveat: Do not diagnose skin conditions or deficiencies from DNA alone.