Evidence check: Fitness | LifestyleCheck in the context of longevity

MyBody-X offers tests like DNA Longevity and Metabolic Analysis that claim to provide insights into fitness and lifestyle in the context of longevity. However, the scientific evidence for direct, personalized recommendations is limited. The tests do not include genes like ACTN3, which are clearly linked to sprint or endurance ability. Instead, they analyze markers such as ADIPOQ and FUT2, which may influence metabolism and recovery – but the effect is small and overshadowed by training and diet. For longevity, the tests may offer guidance but lack clinically valid predictions. The evidence for the claimed fitness and lifestyle optimization is largely marketing-driven. Consumers should maintain realistic expectations: results can serve as a prompt for healthier habits but do not replace medical advice or proven interventions like exercise and balanced nutrition. Particularly for hormone or microbiome tests, the data is often correlational, not causal. A critical interpretation of results is advised.