B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

Three ounces of wild sockeye salmon has 570 international units (IUs) of vitamin D—or about 70% of the recommended daily intake. While salmon is a great source of vitamin D, there are a few other ...

Researchers examined over 1,000 foods and gave each a nutritional rating, with almonds scoring 97 out of 100 to top the list ...

Vitamin C and vitamin B12 don’t mix well when taken together, the surgeon continued, as “vitamin C in high doses can reduce ...