Supplement (not melatonin) Improved Sleep in 155-People Study

Brad Stanfield

Sep 23, 2025

Episode description

For weekly health research summaries and extra insights, sign up here 👉 https://drstanfield.com/pages/sign-up

💊 Supplements I Take: https://drstanfield.com/pages/my-supplements

💊MicroVitamin+ (Pro) Powder: https://drstanfield.com/products/microvitamin-plus
💊MicroVitamin Standard Capsules: https://drstanfield.com/products/microvitamin

Timestamps:
00:00 The New Magnesium Study
00:35 Consumerlab.com's Analysis
01:29 Understanding Elemental Magnesium
01:56 My Analysis
03:21 Comparing with Prescription Medications
04:13 Additional Missed Details from the Study
06:40 Weaknesses of the Study
08:04 The Bigger Research Picture
10:44 Safety of Magnesium Supplements
11:16 Assessing Magnesium Status
00:13:34 Conclusion & Takeaways

📜 Roadmap - how to look young & feel strong: https://drstanfield.com/pages/roadmap

✔️ Twitter: https://twitter.com/BradStanfieldMD
✔️ Patreon: https://www.patreon.com/bradstanfieldmd

Here are the links to the research papers referenced in the video:
https://www.tandfonline.com/doi/full/10.2147/NSS.S524348
https://www.tandfonline.com/doi/full/10.1080/09637486.2021.1981831
https://www.consumerlab.com/reviews/magnesium-supplement-review/magnesium
https://www.sciencedirect.com/science/article/abs/pii/S0920996414005416
https://pmc.ncbi.nlm.nih.gov/articles/PMC6163803/
https://www.sciencedirect.com/science/article/abs/pii/S0165032724007183
https://pmc.ncbi.nlm.nih.gov/articles/PMC8996025/
https://pmc.ncbi.nlm.nih.gov/articles/PMC3703169/
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/s12906-021-03297-z
https://pubmed.ncbi.nlm.nih.gov/38817505/
https://pmc.ncbi.nlm.nih.gov/articles/PMC11554482/
https://www.tandfonline.com/doi/full/10.2147/NSS.S524348
https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional
https://academic.oup.com/ckj/article/5/Suppl_1/i3/447534

Thumbnail by James Kelly
Video edited by Troy Young
Script by John Milliken

The links above are affiliate links, so I receive a small commission every time you use them to purchase a product. The content contained in this video, and its accompanying description, is not intended to replace viewers’ relationships with their own medical practitioner. Always speak with your doctor regarding the content of this channel, and especially before using any products, services, or devices discussed on this channel.

Mindsip insights from this episode:

Achieve meaningful insomnia improvement with consistent magnesium supplementation

When analyzing only participants who consistently took magnesium as directed, the average improvement in insomnia scores was nearly large enough to be considered clinically meaningful.

#insomnia

#magnesium

Maximize sleep benefits of magnesium by addressing deficiencies

The sleep-improving effects of magnesium supplements are much stronger for individuals who have the lowest dietary magnesium intake to begin with.

#magnesium

#sleep

Consider magnesium supplements as effective alternatives to prescription sleep meds

The effect of magnesium supplements on sleep is not significantly smaller than that of some prescription medications, which are also often modest in their impact.

#magnesium

#sleep

Utilize magnesium glycinate for better sleep quality

Magnesium glycinate is a preferred form for sleep because the glycine itself helps lower body temperature, working synergistically with magnesium to improve rest.

#magnesium

#sleep

Meet daily magnesium intake recommendations for optimal health

The recommended daily allowance for magnesium is 420 milligrams for men and 320 milligrams for women, an amount most people don't reach due to processed diets.

#magnesium

#nutrition

Rethink magnesium blood tests for accurate deficiency assessment

Standard blood tests are poor indicators of magnesium status because less than 1% of the body's total magnesium is in the blood, making the test unreliable for assessing deficiency.