Melatonin
Melatonin is an over-the-counter dietary supplement in tablet or gummy form, typically dosed at 3-10mg per serving, used to support better sleep and regulate sleep-wake cycles.
Estimated value as of 2026
Fun Fact
The human body naturally produces about 0.3mg of melatonin per night, so supplemental doses of 3-10mg are 10-30 times higher than physiological levels, yet effective for sleep due to receptor saturation.
Price History
More in Everyday
Protein Powder
Protein powder is a dietary supplement powder used for personal care and fitness, typically containing whey, casein, or plant-based proteins to support muscle building and recovery.
Bread Machine
An electric kitchen appliance that automatically mixes, kneads, and bakes bread dough into finished loaves.
Pond Liner
A pond liner is a waterproof sheet material used in landscaping to line garden or backyard ponds, preventing water leakage into the soil.
Glass Cleaner
Glass cleaner is a spray bottle household product designed to remove smudges, fingerprints, and dirt from windows, mirrors, and glass surfaces.