Melatonin

Concerned about melatonin and your liver or kidneys? Here's what the clinical evidence actually shows — and who should take extra care.

Find out why melatonin makes some people groggy in the morning — and the simple dose and timing fixes that eliminate next-day fog.

Learn the critical window for melatonin timing to avoid grogginess. Understand how late-day dosing disrupts sleep quality and discover the optimal timing relative to your bedtime. 

Learn who should avoid melatonin supplements, including contraindications, drug interactions, age restrictions, and special populations. Evidence-based safety guide.

Short-term melatonin is safe for most healthy adults—but dose, duration, and health profile all matter. Here's what 79+ clinical trials actually show.

Discover melatonin's side effects - from headaches to drug interactions. Learn risks, safety tips, and when to avoid this sleep supplement.