Raw garlic is simply the best form of the herb to eat, when you cook garlic you destroy a lot of the constituents responsible for its medicinal properties. Aside from eating garlic raw you can also crush up a few cloves of garlic and add it too some olive oil which can then be put on a salad. You can also purchase garlic capsules these are a great way to get the main constituents of garlic into your body. Try and look for products containing allicin this is one of the top ingredients found in garlic.
Teas are a great way to get the benefits of sage all you need to do is steep one teaspoon of sage in a cup of water for about 10 minutes. You can also make a pretty awesome sore throat reliever by combining sage and thyme. Take an ounce of both grind them, and cover them with 16 ounces of apple cider vinegar. Be sure to shake it periodically and let it sit for ten days before using.