PABAs should be avoided in any form, internally and externally. They are hard to get rid of when ingested and cause havoc when accumulated in the connective tissues of the body. If you want minerals, ionic minerals from Eniva (Eniva.com, you can use my ID 13462). For vitamins, you better derive them from fresh produce. Once extracted or made in the lab, they can lead to major disturbances in the body (see The Key to Health And Rejuvenation, 1stbooks.com).