Both Mommy's Bliss Gripe Water formulas are made with organic ginger and fennel. Mommy's Bliss Nighttime Gripe Water has the added potential of lemon balm, chamomile and passionflower. Many reports suggest these 3 calming ingredients help promote restful sleep. Plus, all Mommy's Bliss health and wellness products are free of the top 8 most common allergens.