Low WBC, low abs neurophils, and low anion gap w/o K. All other results of CMP and CBC w/diff. Normal. Cause for concern?

Why tested? All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, it would have helped to have the actual values rather than your interpretation of low and high. It would be better to discuss it with the doctor who ordered the tests as s/he knows more about your health. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine.