Reviews and Information for Natrol

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Product Review

Melatonin Supplements Review

Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.

Product Review

Alpha-Lipoic Acid Supplements Review

Choose the Best Alpha-Lipoic Acid Supplement — See the Amounts of Active "R-Isomer" We Found

Product Review

L-Tryptophan and 5-Hydroxytryptophan (5-HTP) Supplements Review

Choose the Best L-Tryptophan and 5-HTP Supplements. CL Tests Identify High Quality L-Tryptophan and 5-HTP (5-Hydroxy-L-Tryptophan) at the Best Value.

Product Review

Sexual Enhancer Supplements Review (with Yohimbe, Horny Goat Weed, Arginine)

Choose the Best Sexual Enhancer Supplement. Only 30% of Selected Sexual Enhancement Supplements Pass Quality Tests.