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Petadolex® Patented Brain Support (New - 62% Improvement Reported) - For healthy blood vessel tone in the brain Neurologist-recommended Petadolex® contains the patented extract of butterbur that supports healthy blood vessel tone in the brain, as well as normal blood flow in the brain. It has been the subject of two placebo-controlled clinical studies. In the most recent, participants reported a 62% improvement. Petadolex is standardized to contain 15% of butterbur's key ingredient, petasin. It's also guaranteed to be pyrrolizidine alkaloid (PA) free, so you can use it with confidence. PA's are toxic compounds that can harm the liver. Studies demonstrate patented Petadolex is safe and well tolerated. Recommendations: One softgel capsule three times daily for the first four weeks. Thereafter, one softgel capsule twice daily. Notes: Caution: If pregnant or nursing, consult a health care practitioner before using this product.Petadolex® is distributed by PhytoPharmica under license from Weber and Weber. Contains No: sugar, salt, yeast, wheat, gluten, corn, soy, dairy products, artificial flavoring, or preservatives. All colors used are from natural sources.