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Jay M. Symptoms not very bad. Karl L. My congestion allergies did seem to get better after several days...Marsha R. I had some better days. Erin C. I believe it helped to a certain extent. William R. Improved after 3 days. Nancy C. On day 16 I felt so much better, by day 30 allergies continued to be improved. Angel C. Background of Cyanocobalamin Treatment in Allergic Disease MECHANISM OF ACTION: Vitamin B12 is essential to cell growth and cell division. B12 is the only known molecule in the human body uses with the element cobalt. The unique properties of cobalt permit a chemical reaction that produces the rungs of the DNA ladder. These rungs are called nucleotides. For any human cell to divide, it must copy its own DNA. For this replication to occur, new rungs of the ladder must be provided with the help of B12.

Studies indicate that ingested oral cyanocobalamin tablets are ineffective in the treatment of allergic disease, perhaps because once ingested, they are directly metabolized in the liver. When B12 is delivered via injection or lozenge it passes throughout the bloodstream before arriving at the liver. It is during this first pass in its native form that it is believed to exert its therapeutic effect. CLINICAL RESEARCH: "The World Health Organization (WHO) recognizes allergic rhinitis (hay fever), sinusitis, asthma,...conjunctivitis, urticaria, eczema, dermatitis (contact and atopic)...allergic and migraine headache...as diseases in which IgE-mediated allergy may be involved."1 In 1988, asthma and allergic rhinitis subjects were treated with B12. Total IgE, specific IgE and pulmonary lung functions were taken at days 45, 150 and 180 from baseline. Eight of the 9 subjects had reduced IgE. 2 In 1989 open label studies at two sites in Riverside County, CA in 1989. Sixteen of the 17 subjects had lowered IgE levels from Day 0 to Day 30.3

In January 1997, 62 subjects who had been the placebos in the 1995 study were invited to receive the vitamin B12. In June 1997, the 62 placebo subjects were sent a questionnaire asking: How would you compare your overall allergy (hay fever) symptoms this spring to the last two springs? 20 people responded, with 15 reporting having had the B12 treatment, and 5 not. 12 of the 15 reported at least a slight improvement in overall allergy symptoms, and 1 of the 5. Improvement ratios - 12:3 having received treatment, 1:4 not having received treatment.8 A bioequivalence study showed that a 3000 mcg lozenge delivered an equivalent amount of cyanocobalamin to the blood as a 15 mcg injection.9 From the spring to the summer patients with demonstrated allergic rhinitis received with the cyanocobalamin (or placebo) containing lozenge twice daily for 21 consecutive days. All subjects also received C and B oral multivitamins for 21 days. Twice daily subjects maintained a nine-week diary on sneezing, runny nose, nasal congestion, itchy eyes, itchy nose and antihistamine (chlorpheniramine) use. In the post-treatment period, the active group (n=15) recorded on average a greater reduction in symptoms and in antihistamine use than the placebo group (n=9). The results yielded reductions (0.1>p>0.01) in total weekly symptom/rescue medication for the active group compared to the placebo for weeks 2, 6, 8 and 9. The results tend to replicate those of the studies on injectable cyanocobalamin.10