Mushrooms are a totally underrated anti-aging food. They can help keep your skin looking young and rejuvenated, thanks to being high in ergothioneine and glutathione, antioxidants that fight oxidative stress in the body caused by free radicals. The porcini variety has been found to contain the highest concentration of them, but white mushrooms still contain more compared to most other foods. The best part? You can consume them as cooked as you want—they'll still deliver on their anti-aging properties.