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There is not enough information to know if caffeic acid is safe when taken as a supplement. Caffeic acid is contained in many foods we eat, however, taking purified caffeic acid as a supplement has not been studied in people.
Special Precautions & Warnings:
Pregnancy and breast-feeding: There is not enough information to know if caffeic acid when taken as a supplement is safe during pregnancy and breast feeding. It should be avoided.
Insomnia. Caffeic acid might have a mild stimulating effect that could possibly worsen insomnia. However, this effect is modest and substantially less than caffeine.
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