Linked from

The 104 pages that link to Clinical trial, each with the reason it gives.

• Nigella sativaRelated: Human trials have investigated Nigella preparations, but findings do not establish every advertised health claim.

• Ocimum tenuiflorumRelated: Human trials provide a way to test tulsi preparations beyond traditional claims and laboratory findings.

• PiracetamNarrower topic: Trials of piracetam have produced mixed findings across conditions and outcome measures.

• Tui naRelated: Trials assess whether tui na produces measurable benefits for particular conditions.