Your blood tests are normal. Your sleep is adequate. You're still exhausted. This is the most common presentation I see in clinic and the answer is almost never found on a Selenium and Epigenetics in Cancer: Focus on DNA Methylation ScienceDirect Exogenous glutathione can alleviate chromium toxicity in kenaf by activating antioxidant system and regulating DNA methylation ScienceDirect Do you suffer with fatigue, brain fog, mood swings, or trouble detoxing? These could be signs of an MTHFR gene mutation, which affects methylationa key process for energy, detoxification, brain function, and