How are Fitness | LifestyleCheck and Allergie related?

Based on the provided context, there is no direct scientific or product-level relationship between MyBody-X's 'Fitness | LifestyleCheck' and 'Allergie' tests. The two categories address different biological domains: Fitness/LifestyleCheck typically covers genetic variants for metabolism, exercise response, or nutrition, while allergy tests focus on IgE or IgG reactions to foods or environmental triggers. The context documents contain no evidence of shared markers, combined analysis, or overlapping interpretation. It is conceivable that a lifestyle check could indirectly touch on allergy risk via inflammatory markers or immune modulation, but this is not mentioned in the given sources. Without further product specifications, the relationship remains speculative. The evidence level is therefore 'unclear' or 'marketing', as no validated studies or product details are provided.