Product records
Product facts come from the supplied Yu Sleep Supplement Facts panel and seller materials such as the published return policy. Uploads are not independent lab reports.
External science
The National Center for Complementary and Integrative Health and National Heart, Lung, and Blood Institute offer evidence-aware sleep information. NIH Office of Dietary Supplements provides general nutrient facts.
How to interpret sources
A clinical study of an isolated ingredient may not represent the dose or outcomes of a multi-ingredient product. Claims should match the studied population, formulation and measurement.
References & source notes
Product-specific values come from the supplied Yu Sleep label or seller material. Government sources explain general health evidence; they are not endorsements of Yu Sleep.
- Yu Sleep Supplement Facts (user-supplied product label, November 2026)
- Yu Sleep formula announcement (Aug. 3, 2026; seller-reported)
- Yu Sleep published refund policy (seller)
- NCCIH: Melatonin—What You Need To Know
- NCCIH: Sleep Disorders and Complementary Health Approaches
- NHLBI: Healthy Sleep Habits
- NHLBI: Insomnia Treatment
- NIH ODS: Magnesium Fact Sheet
- FTC: Endorsements, Affiliate Marketing and Disclosures
- Google Search Central: Search Essentials
- U.S. FDA: Questions and Answers on Dietary Supplements
- Yu Sleep package offer comparison (independent offer page; seller checkout prices may differ)
- Google Search Central: Build and Submit a Sitemap