Blog

Valerian, passionflower, chamomile and lavender look like one cosy committee on a label. Here is what each one's research covers, and where the cautions sit.

What melatonin does, which amounts and timings studies and regulators report, how labels compare, and what to ask a label. No personal doses.

Does magnesium help sleep? A plain look at the small, low-certainty evidence, EU and UK intake limits, and diarrhoea, kidney and medicine cautions.

How glycine got a sleep reputation: small trials of about 3 g before bed, what the reviews say, and what to check on a label and with medicines.

5-HTP shows up on some sleep labels. What the small human studies cover, and the interaction and safety points worth reading first.

"Nootropic" covers caffeine, supplements and prescription drugs. Where the word came from, what healthy-adult research shows, Dutch rules and safety basics.