Peppermint oil likely can help with symptoms of irritable bowel syndrome. It may also help indigestion and prevent spasms in the GI tract caused by endoscopy or barium enema. Some studies show that used topically it may help soothe tension headaches and cracked nipples from breastfeeding. Our Peppermint Oil capsules are nothing short of amazing. Each capsule is made using Sunflower Seed Oil and contains 200mg of goodness.