Recent review of research on the use of nutritional supplements for treating anxiety has found compelling evidence for the use of extracts of passionflower or kava, as well as combinations of L-lysine and L-arginine.
Researchers combined the results of 24 studies which involved a total of over 2000 participants, indicating that certain nutritional and herbal supplements can be effective, with no risk of suffering serious side-effects.
The research was carried out by Shaheen Lakhan and Karen Vieira from the Global Neuroscience Initiative Foundation, in Los Angeles, California. Lakhan stated, "Our review and summary of the literature on herbal remedies and dietary supplements for anxiety should aid mental health practitioners in advising their patients and provide insight for future research in this field. We found mixed results - while passionflower or kava and L-lysine and L-arginine appeared to be effective, St John's Wort and magnesium supplements were not."
Of the studies which were part of the review, 21 were randomized, controlled studies. Of those, 15 showed positive results from either a nutritional or herbal remedy, and any documented side-effects were mild to moderate.
Source: Science Daily
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