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Valerian: Substantiated Structure/Function Claim
According to a review of the literature, valerian preparations equivalent in dosage and composition to those found to be effective in clinical human studies promote relaxation through an enhancement of GABA neurotransmission.1
References
1. Santos MS, et al. The amount of GABA present in aqueous extracts of valerian is sufficient to account for (3H)GABA release in synaptosomes. Planta Med 1994;60:475-6.
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