Known for its long storage quality and flavor improvement as it ages, Keeper garlic is memorably spicy and has ivory cloves with initial sweetness that builds in heat. In fact, this particular garlic should be used sparingly considering its spicy tendencies. Besides, Keeper is an excellent source of manganese, vitamin C, vitamin B6, iron, copper, and potassium. In addition, all garlic varieties build the immunity against common cold and prevent heart ailments by clearing up blocked arteries.