0.2 Valerenic Acid Lemon Balm Dietary Supplement Valerian Nighttime is a blend of valerian and lemon balm extracts that promote restful sleep without the next day grogginess common with other sleep aids. Odor-Free: Our exclusive Dual Control coating protects active ingredients and locks out the pungent aroma of valerian. Stomach Gentle: Lemon Balm in the formula helps soothe the stomach before bedtime.