Tablets, B-complex products and fortified foods Adults need about 2.4 micrograms of vitamin B12 a day, according to the National Institutes of Health Office of Dietary Supplements
Again, it depends
Testing may include ACTH and cortisol, thyroid hormones, FSH, LH, testosterone or estradiol, prolactin, DHEA-S, pregnenolone, growth hormone and IGF-1
It has been shown to heal ulcers, reduce inflammation, and protect the lining of the stomach and intestines
References Food and Drug Administration
If a medication is the culprit, your urine color may go back to yellow once you stop taking the drug