What can the Fitness | VITALITY DNA-Test tell you — and what not?

The Fitness & VITALITY DNA Test by MyBody-X analyzes selected genetic variants linked to energy metabolism, muscle recovery, vitamin processing, and stress response. It can indicate, for example, whether someone has a genetically higher need for vitamin D (via rs2228570) or altered fat metabolism (via GCKR rs1260326). However, results are orientational only – they do not replace medical diagnostics or performance testing. The evidence is mostly associative (GWAS, mechanistic studies), not causal. Many markers have small effect sizes that are easily overshadowed by lifestyle factors (diet, exercise, sleep). The test cannot provide concrete training or nutrition plans; it only suggests a genetic tendency. Most studies were done in European populations, limiting transferability to other ethnicities. A positive finding does not imply a health disorder. The test is not a medical device and should not be used for self-diagnosis or therapy. For personalized sports or nutrition advice, a combination of genetic, metabolic, and clinical data is required.