Was dehydrated, now my urine is very light yellow to clear. feel lightheaded w/ small headache. i'm getting better or it's something more than dehydra?

Depends: If your symptoms abate with hydration, it was dehydration. If the symptoms persist for more than a day, it would be prudent to see your doctor. 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.