Exchange rate. This is the amount of foreign currency that will be generated for every dollar you send. For example, a service might have a rate of 12.48 Mexican pesos per dollar. So if you send $200, it'll convert to 2,496 pesos.
Selenium is a nutrient that the body needs to stay healthy. Selenium is important for reproduction, thyroid gland function, DNA production, and protecting the body from damage caused by free radicals and from infection.
Selenium is a mineral that functions as an antioxidant to protect your body from free radical damage. The best sources of selenium include meat, seafood, cereal, grains, dairy and a variety of fruits and vegetables.itamin A is not a single compound, but rather a family of substances called retinoids. Beta-carotene, which is the yellow-orange pigment responsible for giving foods their orange color, is a specific form of vitamin A that acts as an antioxidant in your body.