Dietitians need to become aware of food and nutrition practices of culturally different clients, consulting relevant research, attending training workshops, shopping in culturally specific food stores, and talking with culturally diverse clients. Water soluble Vitamin C is needed every day to help build and maintain collagen and to heal wounds. Physical stress such as broken bones, surgery, or burns have definite nutrient needs for health and wellness. Last year the FDA proposed trans fatty acids be listed on the Nutrition Facts panel. Trans fatty acids are made in the process of hydrogenation to solidify liquid oils in order to increase the shelf life and flavor stability.
Food sources are preferred for getting antioxidants.
The RDA levels meets nutrient requirements for a healthy population and are not intended to prevent diseases such as cancer or CVD for which sufficient evidence is lacking. Higher doses may result in headaches, diarrhea, and nausea. Carotenoids RDIs are not set for carotenoids which include over 600 different types. Primary food sources are yellow, orange, red, and dark green fruits and vegetables. Although ULs have not been set, side effects such as skin discoloration typically occur at 30 mg level daily.