Reasons for fatigue Fatigue stems from physical or mental factors, including things like: Metabolic conditions such as diabetes, kidney disease, Cushing syndrome, and thyroid conditions Mental health issues such as depression, stress, eating disorders, anxiety, and burnout Cardiovascular conditions affecting blood flow, such as arrhythmias, heart disease, and heart failure Medications such as antidepressants, antihistamines, steroids, statins, and sedatives Sleep problems due to insomnia, narcolepsy, jet lag, and sleep apnea Chemical imbalances due to too little or too much of various essential nutrients, vitamins, and minerals Facts about B12 deficiency Also referred to as cobalamin deficiency and named after the scientific term for this water-soluble nutrient, a B12 deficiency can result from low dietary intake or from your body not absorbing the vitamin properly

Finally, choline plays an essential role in the livers function and can help break down fat buildup by aiding in transporting fat out of the liver
The jump from 10 mg to 15 mg added only 1.1 percentage points
EXCEPTIONS Drospirenone