Does roasted garlic have the same benefits as raw garlic?

Does Roasted Garlic Offer the Same Health Benefits as Raw Garlic?

Garlic has long been celebrated for its potent health properties, from boosting immunity to supporting heart health. At the heart of these benefits is allicin, a powerful compound released when raw garlic is chopped or crushed. But what happens when you cook it?

“You'll get the most benefit from raw garlic,” explains nutrition expert Jeffers. Raw garlic delivers allicin in its most active form, making it the best choice for maximizing health effects. However, many people find raw garlic too strong or irritating on the stomach, leading them to cook it—especially roast it for a mellower, sweeter flavor.

The catch? Heat impacts allicin’s stability. When garlic is exposed to temperatures above 140 degrees Fahrenheit (60 degrees Celsius), the enzyme responsible for producing allicin gets deactivated. This means prolonged cooking or roasting at high heat can significantly reduce its medicinal qualities.

“If you choose to cook it, don't heat it above 140 degrees Fahrenheit,” Jeffers advises. “Higher temperatures kill the allicin, so add garlic to your recipes when you're almost done cooking.” For example, sautéing garlic for just a minute or two, or stirring it into soups and sauces at the end of cooking, can help preserve its beneficial compounds.

Roasted garlic still offers flavor and some health perks—like antioxidants and sulfur compounds—but it’s not quite as potent as its raw counterpart. If you’re after both taste and wellness, consider using a mix: add roasted garlic for depth and a sprinkle of raw or lightly cooked garlic for extra immune support.

The bottom line? Garlic is beneficial in many forms, but how you handle it in the kitchen makes a real difference in what your body ultimately gains.