Being Alive; November 1992
Brian A. Smith, D.C.

Vitamin A: This vitamin enhances resistance to infection by increasing phagocytic cell migration and lymphocyte proliferation. It also enhances responsiveness to antigenic stimuli. Deficiencies have been shown to decrease lymphocyte activation, lower lysozyme and complement levels (both important chemicals of the immune system), impair secretory IgA production (especially important in the intestinal tract) and decrease T-cell dependent antibody responses. Due to possible liver complications, vitamin A supplementation is not usually recommended. (11/89)

Beta-Carotene: Beta-carotene appears to selectively increase T-4 cells, reacts with free radicals and free oxygen to help prevent genetic and cell wall damage, increases tumor necrosis factor, increases activity of macrophage and natural killer (NK) cells. This changes into vitamin A as the body requires it. (11/89)

Vitamin B2: Deficiency results in decreased ability to produce antibodies. This vitamin may be depleted by certain drugs. Vitamin B5: Deficiency results in atrophy and loss of function of thymus gland. Vitamin B6: Deficiency inhibits cell-mediated immune functions and antibody production, atrophy of spleen and thymus. Folic Acid: Deficiency impairs lymphocyte function and decreases antibody production. Vitamin B12: B12 is required for proper lymphocyte function and the production of DNA and amino acids (protein). (9/92)

Vitamin C: Blood levels of at least 25 mcg/ml have been shown to decease HIV activity as measured by P24 levels, syncytia formation and reverse transcriptase levels. Supplementation has been shown to increase antibody and complement levels in humans, increase the speed of phagocyte motility and influence interferon production. It is required by the thymus gland for production of T-lymphocytes. (12/89 and 12/90)

Vitamin E: This vitamin increases resistance to infection, increases antibody levels, stimulates B-lymphocytes and promotes T-4 activity and protects vitamins A, C and B-complex from destruction. It is a free radical scavenger and will protect all cell membranes and genetic material from damage from free radicals. (5/90)

These are the most well researched members of the vitamin family as far as the immune system is concerned. A good multivitamin and mineral supplement is a good base to start from. This will provide the full range of vitamins and minerals in amounts that can be considered safe. Each person is different in their requirements of vitamins. Consultation with a qualified professional prior to self administration of any substance is recommended.

(Dr. Brian A. Smith is a chiropractor and can be reached at 310.559.6584.)
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