Sublingual Vitamin B12 for better absorption

For those with serious Vitamin B12 deficiency, injections or sublingual tablets (tablets that dissolve under the tongue) are often recommended.

This recommendation may be especially pertinent for people with HIV who experience peripheral neuropathy. But B12 is crucial for many systems in the body, and the use of sublingual tablets may be advised in a number of cases.

Here’s a Canadian AIDS Treatment Information Exchange Info Sheet on Vitamin B deficiency in people with HIV; it presents some of the rationales for use, and also underlines the importance of getting an effective dose through injection or sublingual tabs: CATIE INFO SHEET ON HIV and VITAMIN B12

NYBC, like its predecesor DAAIR, stocks B-12 as Methylcobalamin (Jarrow). These are chewable tablets; or may be dissolved under the tongue. The methylcobalamin form is generally acknowledged to be well-absorbed (=”bioavailable”).


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