Myths vs facts: Fitness Vitality DNA and fertility

Claims that a 'Fitness Vitality DNA' test can directly improve fertility are not supported by robust evidence. While certain genetic variants (e.g., in FTO, BDNF, ACTN3) are linked to metabolism, body composition, or athletic performance, their impact on fertility is indirect and minimal. Fertility is governed by a complex interplay of hormones, age, lifestyle, nutrition, and environmental factors. No single SNP or panel of fitness-related genes can provide meaningful prediction or optimization of fertility. The evidence for such products is largely marketing-driven. A DNA test may offer general health insights (e.g., MTHFR variants), but it cannot replace personalized fertility counseling. Individuals seeking to support fertility should focus on evidence-based strategies: balanced diet, stress reduction, regular exercise, and medical guidance—not unproven genetic tests.