Nullo s internal deodorant is a dietary supplement that contains 135 coated caplets with 100mg of chlorophyllin copper complex a water-soluble isolate of plant chlorophyll. This unisex product is easy to swallow and works to prevent a variety of odors including body odor perspiration incontinence and fecal odor. Nullo has a long history of successful use in hospitals for controlling odor and is also used by hunters and outdoor enthusiasts to reduce their scent detection by animals.