They were known popularly as greenbacks, a name inherited from the earlier greenbacks, the Demand Notes, that they replaced during 1862. Often termed Legal Tender Notes, they were named United States Notes by the First Legal Tender Act, which authorized them as a form of fiat currency.
Vitamin A is required to transport iron from storage, so inadequate vitamin A levels create a functional deficiency in iron. As a result, you can also develop symptoms of iron deficiency, including pale skin, fatigue and brittle nails that split.Foods that are high in vitamin A include carrots, liver, spinach, cantaloupe and fortified foods, including milk and breakfast cereals.f you have splitting and peeling nails that aren't due to environmental causes, consult your physician for the correct diagnosis before treating them with a vitamin supplement.
They also contain B vitamins, which include biotin, an essential nutrient for strengthening hair, helping prevent thin and brittle hair, and increasing hair growth.. Your nails indicate how mineralized your body is, says Snyder.Weak or ridged nails indicate mineral deficiencies. B-complex Vitamins: Biotin, niacin and cobalamin are among the most popular B-complex vitamins that help restore shine and thickness to strands. 2  Load up on whole grains, eggs, avocados and legumes, as they are some of the best food sources for B-complex vitamins.