Overview Para-aminobenzoic acid (PABA) is an organic compound that was once considered a B vitamin (sometimes labeled vitamin Bx) but is no longer classified as a vitamin because it has no defined essential function in human metabolism that cannot be met by other means. PABA is a precursor to…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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