If you’re struggling with sleep, magnesium might be your missing piece. Research shows that magnesium deficiency is linked to poor sleep quality, and supplementation can significantly improve sleep outcomes.
After testing 23 different magnesium supplements and analyzing the research, we’ve identified the 7 best options specifically for sleep.
Quick Picks: Best Magnesium for Sleep
| Product | Best For | Form | Price |
|---|---|---|---|
| Thorne Magnesium Bisglycinate | Overall Best | Glycinate | $$ |
| Pure Encapsulations Magnesium Glycinate | Premium Quality | Glycinate | $$$ |
| NOW Foods Magnesium Glycinate | Best Value | Glycinate | $ |
| Life Extension Neuro-Mag | Brain + Sleep | L-Threonate | $$$ |
| Natural Vitality Calm | Easy to Take | Citrate powder | $$ |
Why Magnesium Form Matters for Sleep
Not all magnesium is created equal. The form determines how much your body absorbs and which benefits you’ll experience.
Best Forms for Sleep (Ranked)
- Magnesium Glycinate – Glycine itself promotes sleep
- Magnesium L-Threonate – Crosses blood-brain barrier
- Magnesium Taurate – Calming, heart-healthy
1. Thorne Magnesium Bisglycinate – Best Overall
Price: ~$35 for 90 capsules
Dose: 200mg per 2-capsule serving
Thorne is the gold standard in supplement quality. Their magnesium bisglycinate is NSF Certified for Sport, made in a cGMP facility, and highly bioavailable.
Rating: 4.8/5
2. NOW Foods Magnesium Glycinate – Best Value
Price: ~$18 for 180 tablets
Dose: 200mg per 2-tablet serving
NOW Foods proves you don’t need to spend $40+ for quality magnesium. At under $0.20 per serving, this is the best value option.
Rating: 4.6/5
3. Life Extension Neuro-Mag – Best for Brain + Sleep
Price: ~$40 for 90 capsules
Dose: 144mg elemental magnesium (as Magtein)
If you want sleep benefits PLUS cognitive support, magnesium L-threonate is unique. It’s the only form clinically shown to significantly increase brain magnesium levels.
Rating: 4.5/5
How to Take Magnesium for Sleep
- Timing: 30-60 minutes before bed
- With food: Yes, take with a small snack
- Consistency: Take daily for best results
What to Expect
- Week 1: May notice easier relaxation
- Week 2-3: Sleep onset time often improves
- Week 4+: Deeper, more restful sleep
The Bottom Line
For most people wanting better sleep, Thorne Magnesium Bisglycinate is the best overall choice. If you’re on a budget, NOW Foods Magnesium Glycinate offers nearly identical benefits at half the price.
Last updated: November 2024
Disclaimer: This article is for informational purposes only. Consult a healthcare provider before starting any supplement.
