Para-aminobenzoic acid (vitamin Bx, PABA)

PABA is a naturally-occurring, water-soluble compound which is found in many foods as a cofactor of the vitamin B complex (associated with folate). Para-aminobenzoic acid or PABA is a non-protein amino acid that is widely distributed in nature. PABA is an intermediate in the synthesis of folic acid in bacteria. The sulfonamide antibiotics are structurally similar to PABA and interfere with the synthesis of nucleic acids in sensitive micro-organisms by blocking the conversion of PABA to the co-enzyme dihydrofolic acid, a reduced form of folic acid.

In humans, dihydrofolic acid is obtained from dietary folic acid. Para-aminobenzoic acid (PABA), a component of pteroylglutamate, was once considered a vitamin and named vitamin B-x because it serves as a provitamin for some bacteria. Later studies in humans demonstrated that it does not have vitamin activity because humans lack the ability to synthesize folate from PABA.

Para-aminobenzoic acid (vitamin Bx, PABA) functions, uses, and health benefits

The most well-known property of PABA is as an effective sunscreen, when used topically. Para-aminobenzoic acid is a chemical sunscreen which absorbs ultraviolet (UV) and visible sun light. As an antioxidant, PABA also provides protection against ozone, smoking, and other air pollutants which damage other cell structures and membranes through oxidative stress. Limiting exposure to the sun and using sunscreen agents can help prevent early wrinkling and skin cancer. PABA is important for healthy hair and skin, and taking it in supplement form may prevent hair loss by protecting hair follicles.

Pharmaceutical doses of PABA are indicated for Peyronie's disease, scleroderma, morphea and linear scleroderma. It is also effective in the treatment of vitiligo, a condition that causes discoloration of the skin. PABA has been reported to enhance the effects of cortisone. It may also prevent or even reverse accumulation of abnormal fibrous tissue.

Para-aminobenzoic acid (vitamin Bx, PABA) dosage, intake, recommended daily allowance (RDA)

The usual dose of PABA is between 30 to 100 mg. three times a day. In addition to PABA, the potassium salt of PABA called POTABA is available on prescription. POTABA is indicated for Peyronie's Disease and scleroderma. The dose used for these disorders is 12 grams daily taken in four to six divided doses with meals. The dose for Peyronie's disease and scleroderma is high and must only be used under medical supervision. Anyone taking more than 400 mg of PABA per day should consult a physician.

Sources of para-aminobenzoic acid (vitamin Bx, PABA)

Natural sources of PABA include bran, eggs, kidney, liver, molasses, wheat germ, brewer's yeast, and yogurt. Dietary sources of PABA include bran, kidney, liver, brewer's yeast, molasses, whole grains, wheat germ, yogurt, mushrooms, blackstrap molasses, leafy green vegetables such as spinach, and spinach. In humans, PABA is biosynthesized by intestinal bacteria and appears to be vital to their metabolism.

Para-aminobenzoic acid (PABA) deficiency

A deficiency in Paba may cause fatigue, irritability, depression, nervousness, headache, constipation and other digestive disorders. A deficiency of PABA may also lead to depression, fatigue, gastrointestinal disorders, graying of the hair, irritability, and patchy areas of white skin.

Para-aminobenzoic acid (PABA) is a compound that is an essential nutrient for microorganisms. PABA helps the body generate important nutrients such as vitamin K, folic acid and thiamine. PABA stimulates intestinal bacteria, enabling them to produce folic acid, assists in the formation of red blood cells which carry oxygen to sensitive brain tissue and to all parts of the body.Para-aminobenzoic acid is water-soluble and is considered unique in that it is a "vitamin within a vitamin," occuring in combination with folic acid.

PABA stimulates the intestinal bacteria enabling them to produce folic acid. PABA plays an important role in determining skin health, hair pigmentation and health of the intestine. It also acts as a sunscreen. A deficiency in PABA may cause fatigue, irritability, depression, nervousness, headache, constipation and other digestive disorders. A deficiency of PABA may also lead to depression, fatigue, gastrointestinal disorders, graying of the hair, irritability, and patchy areas of white skin.