Consuming 20 percent of your total calories from protein equates to 400 calories a day based on a 2,000 calorie diet. As a general rule, between 10 percent and 15 percent of your total calories should come from protein. So, if you consume 2,000 calories per day, at least 200 should come from protein, or about 50 grams.
What is bioavailability? Bioavailability is the ease with which any nutrient can make its way from the food you eat into your body. The bioavailability journey that every nutrient takes is the same. In the first part of the journey, the food must be digested (broken apart) so that the nutrient can be freed from the food that contained it.
Vitamins B6 and B12 contribute to cardiovascular health. Vitamins B6 and B12, members of the B-complex family of water-soluble vitamins, are essential nutrients, meaning that you must obtain them from your diet or supplements in order to live. Good sources of B6 include meats, fish, poultry and legumes.Vitamin B12 is found in animal foods and fortified cereals but is absent from plant foods. These and all of the B-complex vitamins are required for metabolism of proteins, fats and carbohydrates.Additionally, vitamins B6 and B12 participate in other important health functions.itamin B12 is found in animal foods and fortified cereals but is absent from plant foods. These and all of the B-complex vitamins are required for metabolism of proteins, fats and carbohydrates.