Low iron is one of the most common nutrient deficiencies, leaving billions across the world feeling tired and lacking energy. People with extremely low iron levels often take supplements, but there’s something we can all do to get more of the mineral. Doctor’s easy iron hack Dr. Karan Rajan, a British NHS doctor, has gone viral on TikTok after advising everyone to start cooking with cast iron pans. “If you want to get more iron in your diet, cooking with a cast iron skillet might be an easy way to do that,” he explained. “When you use iron-containing cookware, some of that iron actually leeche…