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Are There Advantages of Sublingual Vitamin B12?

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Are There Advantages of Sublingual Vitamin B12?
Sublingual B-12 dissolves under the tongue. Photo Credit: Radu Razvan/iStock/Getty Images

Vitamin B-12 is a water-soluble vitamin available through some foods or as a supplement. Your body needs sufficient vitamin B-12 levels to properly copy DNA, regulate neurological function and replicate red blood cells, according to the National Institute of Health's Office of Dietary Supplements. Adults need at least 2.4 micrograms daily. Sublingual B-12 is taken by placing a lozenge under the tongue. According to some sources, like SublingualB12Report.com, sublingual vitamin B-12 has an advantage over other forms.

Sublingual Vs. Tablet

Woman holding vitamin near glass of water
Woman holding vitamin near glass of water Photo Credit: Liquidlibrary/liquidlibrary/Getty Images

SublingualB12Report.com claims sublingual vitamin B-12 is more rapidly absorbed and bio-available than B-12 tablets. The website states that the sublingual delivery route puts the vitamin directly into the bloodstream, bypassing the digestive system, where a lot of B-12 in tablets is lost. A study published in the December 2003 issue of "British Journal of Clinical Pharmacology," however, determined 500 micrograms of sublingual or orally administered vitamin B-12 had similar success in raising B-12 levels among study participants. The researchers found no statistical difference in concentration between the two types, indicating there is probably no advantage in one form over the other.

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