Personalized, Safe, and Science-Based Dosage Recommendations
Calculate the optimal melatonin dose for your needs. Enter your weight, age, and purpose to get a safe, personalized recommendation.
See how dosage changes with different parameters.
A 70 kg, 35-year-old adult using melatonin for sleep aid.
Weight: 70 mg
Age: 35
Purpose: Sleep Aid
Dosage Preference: Medium (standard)
Frequency: Single Dose
Form: Tablet
Health Condition: None
A 60 kg, 28-year-old traveler using melatonin for jet lag.
Weight: 60 mg
Age: 28
Purpose: Jet Lag
Dosage Preference: Low (conservative)
Frequency: Single Dose
Form: Liquid
Health Condition: None
A 30 kg, 10-year-old child using melatonin for sleep aid.
Weight: 30 mg
Age: 10
Purpose: Sleep Aid
Dosage Preference: Low (conservative)
Frequency: Daily
Form: Gummy
Health Condition: None
An 80 kg, 65-year-old using melatonin for shift work.
Weight: 80 mg
Age: 65
Purpose: Shift Work
Dosage Preference: High (maximum safe)
Frequency: Daily
Form: Tablet
Health Condition: Chronic illness