Please try not to panic. Bad SA result doesnt mean to stay bad permanently. It just means sample at that time was not carrying any significant number of sperms. There are many supplements, medicines and alternatives are available which can change SA results. However, you first need to find out cause for this absence of sperms. Then depending on reason, after consulting your doctor, you can start Wellman or FertilAid for men. There has been amazing reviews for both of these.
Start adding male fertility friend foods in your hubbys diet. Foods to increase sperm count include foods that are naturally rich in folic acid, vitamin C, vitamin E, vitamin A, selenium and zinc. Folic acid, selenium and zinc are required for the production of sperm and help to thicken sperm naturally. Vitamins C and E help to protect the sperm from damage and infection. Vitamin A can help to increase sperm motility. Add walnut, garlic, spinach and plenty of other fruits and veggies, frequently in your diet. Please allow minimum 3 months for your sperm to shown any significant changes. Quit smoking and keep drinking to minimal. Good luck for SA results.