Forms of Vitamin B12 and Who They Suit B12 Form How Its Taken Best For Tablets/Capsules Swallowed with water Mild deficiency, general wellness, everyday convenience Sublingual tablets Dissolve under the tongue People who may not absorb well through the gut Nasal spray Sprayed into the nostril Those who dislike pills or injections Injections Given in clinic or at home (prescribed) Confirmed deficiency, absorption issues, and faster results Oral tablets and capsules are convenient, but they must pass through the digestive system, which can limit absorption in people with gut issues, low stomach acid, or certain surgeries
They are used to treat symptoms caused by low B12like fatigue, weakness, nerve tingling, or anemia
Patients should be apprised of the importance of this follow-up (see WARNINGS, Gastrointestinal Effects: Risk of Ulceration, Bleeding, andPerforation)
The reduction of pain severity reached more than 60% and seemed to affect the intermittent shooting/stabbing/electric pain followed by the constant burning pain (Figure 2)