B12 is contained in many meats and fish. It is hard for vegetarians to get enough B12 because most of the sources are of animal origin. The best source of B12 is clams and other mollusks. There is nearly 85 mcg of B12 in just 3 ounces of clams. The next best source is liver, with 47 mcg in a slice. Salmon and trout have 5 mcg in three ounces.
Recommended dosage of B12 is 500 mcg a day. The supplement is inexpensive but difficult to absorb through the digestive system. So look for sublingual (under the tongue) forms, those that are sealed to prevent destruction in the gut, or get a B12 injection. Be sure to get enough vitamin B12 to fuel your brain, your blood, and your heart.
Thursday, July 2, 2009
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