PABA

(para-aminobenzoic acid, 4-aminobenzoic acid)

PABA is a water-soluble vitamin that is part of the B-complex vitamins and occurs in combination with folic acid. PABA is a coenzyme involved in the formation of red blood cells and the breakdown and utilisation of proteins.

It is important in promoting the production of folic acid by stimulating intestinal bacteria in the body. PABA is sometimes taken to prevent the discoloration and thinning of hair.

FOOD SOURCES

Bran, brewer's yeast, brown rice, eggs, fish, kidney, lecithin, liver, molasses, peanuts, soybeans, sunflower seeds, wheat germ, whole grain, yogurt.

SUPPLEMENTATION

PABA as a part of a B-complex preparation.

SIGNS OF DEFICIENCY

PABA deficiencies may include anaemia, constipation, depression, diarrhoea, digestive disorders, fatigue, headache, irritability, nervousness, vitiligo. Sulfa drugs can induce a deficiency of PABA and folic acid.

SIGNS OF TOXICITY

PABA is not recommended in high doses and could be toxic to the liver, heart, and kidneys. Jaundice, nausea, vomiting. PABA can create fatty changes in the heart, liver, and kidneys. PABA also reduces the number of leukocytes causing leukopaenia. Can cause allergic eczema and light sensitivity in susceptible persons.

DAILY REQUIREMENT

No recommended dosage but 50mg per day is usually used in supplementation.