There are a few different side effects that have been associated with garlic supplements. These side effects include:
1. Allergic Reactions: Some people may be allergic to garlic and can experience symptoms such as hives, swelling, and difficulty breathing if they take a garlic supplement. If you are allergic to garlic, it is important to avoid taking any supplements that contain this ingredient.
2. Blood Thinners: Garlic can act as a blood thinner and may increase the risk of bleeding or bruising in some people. If you are taking blood thinners, it is important to speak with your doctor before taking any garlic supplements.
3. Digestive Issues: Some people may experience digestive issues when taking garlic supplements, such as heartburn, gas, or diarrhea. If you experience any of these side effects, it is best to stop taking the supplement and speak with your doctor.