Dutch authorities are advising consumers to exercise caution when consuming dietary supplements and tea containing St. John's wort, owing to adverse effects observed in combination with medicines.
A study that found St John's wort was ineffective in positively
affecting children suffering from attention-deficit hyperactivity
disorder (ADHD) has been heavily criticized by industry for being
badly designed.
Botanicals manufacturer Bioforce will be able to make mood-lifting
and anxiety-combating claims for a St John's wort product that will
be re-launched later in the year, after winning a Traditional
Herbal Medicinal Products Directive...
Canada's medicines body has released information on the adverse
reactions caused by herbal medicines, in a reminder to health
professionals and consumers of the procedure for reporting adverse
events under the new Natural Health...
The active ingredients of St John's wort, a herb commonly used to
treat mild depression, are in doubt after US research revealed that
one of them is contained in such small quantities in some brands of
the drug that it is ineffective.