Myths vs facts: Skincare DNA and fatigue

The claim that a skincare DNA test can provide insights into fatigue is not supported by evidence. These tests typically analyze genes related to collagen, antioxidants, or skin aging – not energy metabolism or exhaustion. Fatigue has many causes: poor sleep, stress, nutrient deficiencies (e.g., vitamin D, B12, iron), thyroid issues, or chronic inflammation. Some genetic tests (e.g., MTHFR) may indirectly relate to folate/homocysteine pathways, which can be linked to fatigue, but effect sizes are small and clinical relevance unclear. Evidence for skincare DNA tests is primarily marketing-based; they are not medical diagnostics. If you suffer from persistent fatigue, seek medical evaluation (blood work, vitamin levels, thyroid) rather than relying on a skin genetic test. MyBody-X tests are ISO-certified for lab quality, but that does not guarantee clinical validity for fatigue. Verdict: Myth – skincare DNA tests cannot explain or treat fatigue.