pH-D Boric Acid Vaginal Suppositories are the 1 Doctor recommended brand of boric acid suppositories. Boric acid, a natural compound found in sea water, can be used for vaginal odor. pH-D Boric Acid Vaginal Suppositories are your go-to for a holistic, effective, and affordable solution to keep you feeling confident and comfortable. Health Concern: Vaginal Odor Ingredients: 600 Mg Boric Acid, Gelatin Suppository Active Ingredients: Boric Acid Directions: Instructions: Insert one (1) pH-D Boric Acid Suppository into vagina as needed, preferably before bedtime. If needed, use one (1) pH-D boric acid suppository every 12 hours. If you are prone to vaginal odor, we recommend using 2-4 suppositories per week. Ingredients: 600 mg Boric Acid, Gelatin Suppository.