The table below shows the prices for letters over 1 ounce (round up the weight, e.g. if it is 2.1 ounces, use 3 ounce price). If your letter is more than 3.5 ounces, OR is larger than the maximum size of a regular envelope (11 1/2 x 6 1/8), then you would use large envelope pricing.
Overview. Vitamin B12, also called cobalamin, is one of 8 B vitamins. All B vitamins help the body convert food (carbohydrates) into fuel (glucose), which is used to produce energy.These B vitamins, often referred to as B complex vitamins, also help the body use fats and protein.B complex vitamins are needed for healthy skin, hair, eyes, and liver.ll B vitamins are water soluble, meaning that the body does not store them. Vitamin B12 is an especially important vitamin for maintaining healthy nerve cells, and it helps in the production of DNA and RNA, the body's genetic material.
Vitamins are organic compounds which are needed in small quantities to sustain life. We get vitamins from food, because the human body either does not produce enough of them, or none at all. An organic compound contains carbon.When an organism (living thing) cannot produce enough of an organic chemical compound that it needs in tiny amounts, and has to get it from food, it is called a vitamin.here are fat-soluble and water-soluble vitamins. Fat-soluble vitamins are stored in the fat tissues of our bodies, as well as the liver. Fat-soluble vitamins are easier to store than water-soluble ones, and can stay in the body as reserves for days, some of them for months.