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.
Women between 19 and 50 years of age should take 1.3 mg, and those over 50 should take 1.5 mg. Pregnant women should take 1.9 mg and lactating women, 2 mg. Dr. Weil recommends 50 mg as part of a daily B-complex supplement that contains a full spectrum of B vitamins, including thiamin, B12, riboflavin and niacin.ou should discontinue use of supplemental B6 if any unusual numbness develops in the body. Too much B6 can also cause oversensitivity to sunlight, which can lead to skin rashes and numbness, as well as nausea, vomiting, abdominal pain, loss of appetite, and increased liver function test results.