Find the best sleep supplements available in Europe for 2026. Compare EU regulations, melatonin laws by country, top European brands like Cibdol and Zamnesia, and get product recommendations with pricing.

Sleep

Mar 28, 202612 min read

5-HTP: The Serotonin Precursor That Helps You Sleep

Your body makes melatonin from serotonin, and serotonin from 5-HTP. Supplementing this natural amino acid can improve sleep by boosting your body's own melatonin production — but there's a critical safety warning about SSRI interactions.

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