6 Warning Signs of a Nutrient Deficiency, According to Dietitians Cracked lips and brittle nails are just some of the clues your body isn’t getting the nutrients it needs. Original Source: https://www.eatingwell.com/warning-signs-of-a-nutrient-deficiency-11742311 Previous article: Can You Eat Your Retinol? The Answer Is Complicated Prev Next article: What Happens to Your Body When You Stretch Every Day Next