Starting in November, Google will update its Unapproved Pharmaceuticals and Supplements policy to allow the promotion of legal melatonin supplements in Germany, France, and Spain.
Previously restricted in these markets, melatonin can now be advertised as a dietary supplement, as long as it meets all local laws and regulations. Promotion of prescription melatonin products remains prohibited.
Read the official update here: Melatonin policy update: Expanded availability for dietary supplements.