Copper will help form various enzymes, among which assists with iron metabolism plus the creation of hemoglobin, which carries oxygen from the blood. 补充物，增补物 The health practitioner said she really should be having vitamin supplements. 医生说她应该服用维生素补充剂。 Suppliers and vendors in some cases utilize the time period “foodstuff supplements” to label https://vitamins65432.ja-blog.com/31260293/new-step-by-step-map-for-health-solutions