Halls Defense Vitamin C Drops Sugar Free Assorted Citrus – 25 ct, Pack of 4. Supports immune health with 150% daily value of vitamin C per serving. Sugar free and delicious assorted citrus flavors. To use as a dietary supplement, simply take two HALLS vitamin drops daily, but do not take more than six servings per day. Each bulk vitamin C supplement package contains 25 drops. Resealable packaging maintains freshness and portability.