What do studies say about FTO Ernährung?

Studies on the FTO gene and diet indicate that common variants (e.g., rs9939609) are robustly associated with higher BMI and obesity risk. Some research suggests that dietary composition—such as higher protein intake or lower fat—may attenuate the genetic effect, but findings are inconsistent and not yet clinically actionable. The strongest evidence comes from GWAS linking FTO to adiposity, while gene-diet interaction studies often lack replication and have small effect sizes. Direct-to-consumer tests frequently overstate the practical relevance. Therefore, current evidence does not support personalized diet recommendations based solely on FTO genotype. A balanced, evidence-based dietary pattern remains the best approach. Safety note: No direct risks, but avoid drastic dietary changes without professional guidance.