What are disadvantages of garlic?

The Downsides of Garlic: What You Should Know

Garlic is celebrated for its bold flavor and potential health perks, but it’s not without its drawbacks. While many enjoy its culinary and medicinal qualities, consuming too much—especially raw—can lead to some uncomfortable side effects.

Bad breath and body odor are among the most common complaints. Garlic contains sulfur compounds that linger in the bloodstream and exit through the skin and lungs, leaving a lingering smell that’s hard to mask. Heartburn and stomach upset are also frequent, particularly when garlic is eaten on an empty stomach or in large amounts. Raw garlic is more likely to cause these issues due to its stronger chemical composition.

Some individuals may even experience allergic reactions, ranging from skin rashes to more serious symptoms like difficulty breathing. Though rare, garlic allergy is real and should be taken seriously if symptoms arise after consumption.

Another concern lies in the use of garlic supplements. While marketed for immune support or cardiovascular health, they can increase the risk of bleeding, especially in people taking blood thinners like warfarin. This happens because garlic can interfere with platelet activity, making it harder for blood to clot. Surgeries or dental procedures may require stopping garlic supplements in advance to avoid complications.

For most people, moderate use of garlic in cooking poses little risk. But if you're dealing with digestive discomfort, persistent odor issues, or planning a medical procedure, it’s worth reevaluating your garlic intake. As beneficial as it may be, this pungent bulb isn’t for everyone—and listening to your body is key.