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 defined as an essential nutrient that a living being must acquire in tiny amounts from the diet. A vitamin is a chemical thatâs essential for your body but that your body canât make; it must be ingested. By this definition, vitamin D isnât a vitamin at all. Consider this â your skin can make vitamin D when itâs exposed to sunlight, so your body doesnât have to acquire it from food.