Fortified With Benefits From Orange Peel Extract Containing Citrus Bioflavanoids. Iron Tonic with Multivitamins & Antioxidants from Orange Peel Extract. It is also essential for a healthy immune system and for energy production. Iron Gold Tonic will increase Blood hemoglobin & given red / glowing skin. Iron supplements are particularly very important for menstruating & pregnant women, adolescents and growing children, & those on vegetarian diet.