Chaga mushrooms are one of the most popular varieties used in the beauty industry today, and for good reason. Proven three times more effective at fighting free radicals than acai berries, these potent fungi are among “one of the most antioxidant-rich foods in the world,” claims Kennedy. It’s those high levels of antioxidants that, according to the celebrity dermatologist Dr. Dennis Gross, enables them to “neutralize free radicals and have anti-inflammatory properties to help increase blood circulation. This ultimately helps ensure an even skin tone and increased nutrient delivery to the skin.”

Good for: neutralizing free radicals, promoting a healthier, more even skin tone