It is illegal to market or sell without a prescription. Legitimate online pharmacies like Boots or Superdrug require a digital consultation first. Prescription-only medicine
Private imports are restricted to a for personal use only. Buying Tips
If you are in a region where it is legal to buy OTC, experts recommend:
: Research published in JAMA found gummy formulations were the most likely to be mislabeled.
: Recent 2025 research indicated that long-term melatonin use (12+ months) was associated with a 90% higher chance of incident heart failure compared to non-users, though researchers noted this shows a connection rather than direct cause. Legal & Safety Status by Region Purchase Recommendation United States Over-the-counter (OTC) supplement Available at major retailers like Walmart and Amazon . UK / Australia Prescription-only medicine
: Especially for children, doctors warn that "black-market" melatonin can cause toxicity symptoms like extreme sleepiness and vomiting due to accidental overdose. TGA issues warning on online melatonin - RACGP
It is illegal to market or sell without a prescription. Legitimate online pharmacies like Boots or Superdrug require a digital consultation first. Prescription-only medicine
Private imports are restricted to a for personal use only. Buying Tips buy melatonin online
If you are in a region where it is legal to buy OTC, experts recommend: It is illegal to market or sell without a prescription
: Research published in JAMA found gummy formulations were the most likely to be mislabeled. Buying Tips If you are in a region
: Recent 2025 research indicated that long-term melatonin use (12+ months) was associated with a 90% higher chance of incident heart failure compared to non-users, though researchers noted this shows a connection rather than direct cause. Legal & Safety Status by Region Purchase Recommendation United States Over-the-counter (OTC) supplement Available at major retailers like Walmart and Amazon . UK / Australia Prescription-only medicine
: Especially for children, doctors warn that "black-market" melatonin can cause toxicity symptoms like extreme sleepiness and vomiting due to accidental overdose. TGA issues warning on online melatonin - RACGP