âTennis players often have problems with their knees, ankles, shoulders, hips, and wrists, so they really need to spend some time on those areas to get the tension out.â. This means that youâll be more likely to keep on truckinâ if you practice your poses off the court.
Normal value ranges for vitamin B12 vary slightly among different laboratories and can range anywhere between 200 to 900 pg/mL. The general consensus is values less than 200 pg/mL constitute a B12 deficiency.
Fortified Foods. Some plant-based foods are fortified with vitamin B12, including breakfast cereals, yeast extract, margarine and soya milk. One cup of Kellogg's Special K ready-to-eat cereal contains 6.05mcg of vitamin B12, says the United States Department of Agriculture.hellfish are among the richest sources of vitamin B12. A 3 oz. measure of canned, drained clams contains 84.06mcg of vitamin B12. A 3 oz. serving of raw clams contains 42.02mcg, and six medium, wild, raw oysters contain 16.35mcg of vitamin B12, according to the United States Department of Agriculture.