# Magnesium glycinate

31 Hacker News commenters recommended Magnesium glycinate and 7 criticized it, November 2025 to November 2026. It was recommended in 8 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Recommended for better sleep, relaxation, and relief from restless legs and muscle stiffness. Some users found no effect, and overdose is easy to happen.

## Why people recommend it

- Improves sleep quality (4 comments): "nothing has made a bigger difference in my sleep quality than supplementing with magnesium glycinate" ([source](https://news.ycombinator.com/item?id=46812090)) "Taking 400mg before bed seems to have turned off the symptom like a switch." ([source](https://news.ycombinator.com/item?id=48247501)) "Magnesium has a crazy effect on my sleep, very very noticeably deeper." ([source](https://news.ycombinator.com/item?id=48349001))
- Reported to work well (7 comments): "Magnesium glycinate in particular has worked really well for me." ([source](https://news.ycombinator.com/item?id=49230973)) "magnesium is one of the very few that seem to help me" ([source](https://news.ycombinator.com/item?id=48943588)) "I find that Magnesium Glycinate works well for me." ([source](https://news.ycombinator.com/item?id=48923242))
- Relieves physical symptoms (4 comments): "They fixed my muscle stiffness issues and my sleep issues." ([source](https://news.ycombinator.com/item?id=48920752)) "Magnesium also solved my restless leg syndrome at night." ([source](https://news.ycombinator.com/item?id=48934270)) "my headaches are almost completely gone now" ([source](https://news.ycombinator.com/item?id=46063442))
- Calms and relaxes the body (2 comments): "I tried magnesium glycinate and felt super relaxed." ([source](https://news.ycombinator.com/item?id=47184877)) "magnesium glycinate is what calms the body" ([source](https://news.ycombinator.com/item?id=48921557))

## What people warn about

- No effect for some people (4 comments): "Magnesium, melatonin and none of the other supplements really worked for me." ([source](https://news.ycombinator.com/item?id=48937687)) "I've tried melatonin and magnesium and they never helped" ([source](https://news.ycombinator.com/item?id=46597575)) "Mg or melatonin have 0 effects on me" ([source](https://news.ycombinator.com/item?id=48921137))
- Disrupted sleep for some users (2 comments): "I tried magnesium glycinate supplements for two nights in a row and they kept me wide awake." ([source](https://news.ycombinator.com/item?id=48923346)) "Magnesium Glycinate was destroying my sleep even when I took it in the afternoon." ([source](https://news.ycombinator.com/item?id=48348644))

## Alternatives hackers recommend

- [Creatine monohydrate](https://hackerapproved.com/p/creatine.md): 104 recommend
- [Melatonin](https://hackerapproved.com/p/melatonin.md): 43 recommend
- [N-acetylcysteine (NAC) supplement](https://hackerapproved.com/p/n-acetylcysteine.md): 17 recommend
- [Psyllium husk](https://hackerapproved.com/p/psyllium-husk.md): 13 recommend
- [Magnesium L-threonate](https://hackerapproved.com/p/magnesium-l-threonate.md): 9 recommend

## Cite as

Hacker Approved, "Magnesium glycinate", https://hackerapproved.com/p/magnesium-glycinate/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).