PABA
Para-aminobenzoic acid
Vitaminoid and related nutrients
Aliases / common names
PABA; vitamin Bx (obsolete); para-aminobenzoate
Natural food sources
Small amounts in grains, eggs, milk, liver and yeast; also produced by some gut bacteria.
Main wellness functions
Related to folate metabolism in microbes; used historically in skin/hair products but not an essential human vitamin.
Deficiency signs
No recognized human deficiency syndrome.
Recommended intake
No official RDA/AI has been established. Follow product labels and professional advice when used for specific goals.
Excess intake effects
High doses may cause nausea, rash, fever, liver toxicity and hypoglycemia.
Contraindicated / caution groups
Avoid with sulfonamide antibiotics; use caution with liver disease, kidney disease, pregnancy and children.
Common dosage forms
Capsules, tablets; now less common as a stand-alone supplement.
Common product strengths
100-500 mg in legacy products; high-dose use is not recommended without supervision.
Use precautions
Not needed for routine supplementation; check drug interactions carefully.
Supplement notes
PABA is not the same as folate and should not replace folic acid in pregnancy.
This information is for general nutrition education and product reference only. It does not replace medical diagnosis, treatment or individualized dietary advice.