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.
Vitamins are organic substances that usually are separated into water-soluble (such as B vitamins and vitamin C), and fat-soluble vitamins (such as vitamins A, D, E, K). Vitamins are necessary for normal health and growth in higher forms of animal and human life.he Scottish naval surgeon James Lindin observed in 1747 that a nutrient in citrus foods, now known to be Vitamin C, prevented scurvy. Vitamin C was rediscovered by Norwegians, A. Hoist and T. Froelich in 1912. Vitamin C was the first vitamin to be artificially synthesized in 1935.