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The most chemically complex of all the vitamins, methylcobalamin is a water-soluble, organometallic compound with a trivalent cobalt ion bound inside a corrin ring which, although similar to the porphyrin ring found in heme, chlorophyll, and cytochrome, has two of the pyrrole rings directly bonded
A 5mg vial can be the better fit when a laboratory wants a smaller, clearly defined format for controlled pathway analysis and organized internal comparison
See the image for the exact spot The name for injections in this area are called intramuscular because the needle must penetrate the muscle to deliver your vitamin B-12 so that it is quickly delivered where your body needs it
Lyophilized vials that have not yet been prepared should be stored in a cool, dry environment away from direct sunlight, moisture, and excessive heat
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