Dietary supplements and natural products as psychotherapeutic agents.

A Fugh-Berman, J M Cott

Review Psychosomatic medicine 1999 136 citazioni

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Study Design

Tipo di studio: Review

Intervento: Dietary supplements and natural products as psychotherapeutic agents.
Comparatore: Placebo
Direzione dell'effetto: Positive
Rischio di bias: Unclear

Abstract

Alternative therapies are widely used by consumers. A number of herbs and dietary supplements have demonstrable effects on mood, memory, and insomnia. There is a significant amount of evidence supporting the use of Hypericum perforatum (St. John's wort) for depression and Ginkgo biloba for dementia. Results of randomized, controlled trials also support the use of kava for anxiety and valerian for insomnia. Although evidence for the use of vitamins and amino acids as sole agents for psychiatric symptoms is not strong, there is intriguing preliminary evidence for the use of folate, tryptophan, and phenylalanine as adjuncts to enhance the effectiveness of conventional antidepressants. S-adenosylmethionine seems to have antidepressant effects, and omega-3 polyunsaturated fatty acids, particularly docosahexaenoic acid, may have mood-stabilizing effects. More research should be conducted on these and other natural products for the prevention and treatment of various psychiatric disorders.