90/10. The 90/10 rule means that 90% of the time you should eat according to your specific goal-based nutrition plan, and 10% of time you can indulge in something that is not on the diet. If you consume cheat meals this way, you won't derail your fat loss or fitness goals. Of course, there are even more tips and tricks.
noun. 1  Any of various fat-soluble or water-soluble organic substances that are essential in minute amounts for normal growth and activity of living organisms. 2  A preparation containing one or more vitamins, often taken as a dietary supplement.oun. 1  Any of various fat-soluble or water-soluble organic substances that are essential in minute amounts for normal growth and activity of living organisms. 2  A preparation containing one or more vitamins, often taken as a dietary supplement.
A vitamin is a small molecule that your body needs to carry out a certain reaction. Your body has no way to create vitamin molecules itself, so the vitamin molecules must come in through food that you eat. The human body is known to need at least 13 different vitamins:Inside the body, vitamins are used in many unique ways. For example, one of vitamin A's main roles is in the production of retinal. Retinal is used within the rods and cones in your eyes to sense light.he body is able to store some vitamins, such as vitamin A (up to a year's supply is stored in your liver). Other vitamins need to be re-supplied frequently. 1  Vitamins. 2  Prenatal Vitamins. 3  How Vitamin A Works. 4  How B Vitamins Work.