Vitamin d deficient, 25hydroxy test result 5.8. What brand supplement and dosage is recommended?

Vitamin D3. Any brand will do. If you have access to Costco, buy pills of 5000 units and take one every day for three months. After that reduce the dose to about 2000 units/day. it may be beneficial to add a multivitamin to your daily routine. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco or alcohol in any form. Practice safe sex.