How are MTHFR and Haut related?

The relationship between MTHFR and skin is linked to the gene's role in folate metabolism and methylation. Variants like C677T can reduce enzyme activity, potentially raising homocysteine and impairing methylation, which may influence skin conditions such as psoriasis, eczema, or premature aging. However, the evidence is moderate: observational studies show associations but not strong causation. Skin health is multifactorial, with diet, UV exposure, and other genes playing larger roles. Consumer DNA tests for MTHFR can indicate genetic predisposition, but they cannot diagnose or treat skin issues. The clinical utility of MTHFR testing for skin remains debated. A diet rich in natural folates (leafy greens) and lifestyle factors are more impactful than genetic variants alone.