Gas is one of garlic's most common side effects. If raw garlic is used in recipes, gas is more likely to occur than if the garlic is cooked thoroughly.
Garlic is an herb that is used to flavor food. It also aids in improving various medical conditions, such as high cholesterol, high blood pressure, heart disease and certain types of cancer. Ingesting garlic causes a handful of side effects in some people, including gas, heartburn, body odor, breath odor, nausea and diarrhea. Individuals with digestion or gastrointestinal problems are advised not to eat garlic due to the gas distress issue.