# Magnesium L-threonate

9 Hacker News commenters recommended Magnesium L-threonate and 2 criticized it, November 2025 to November 2026. It was recommended in 4 of 13 months.

**Verdict:** People recommend it for sleep and muscle tightness; critics say the brain benefit claims rest on a mouse study and the patent holder's research.

## Why people recommend it

- Improves sleep and insomnia (5 comments): "anecdotally this caused intense dreaming, leading to 1 less sleep cycle being required for restfulness" ([source](https://news.ycombinator.com/item?id=49228882)) "I think I'm noticing several differences since being on magnesium l-threonate, including better sleep." ([source](https://news.ycombinator.com/item?id=49397476)) "By two months, my insomnia was gone. Not better. Gone." ([source](https://news.ycombinator.com/item?id=48922044))

## What people warn about

- Brain claims tied to patent holder (3 comments): "the literal vice president of the company’s research arm was an author on at least one of their studies but didn’t disclose his connections" ([source](https://news.ycombinator.com/item?id=48923116)) "The claim that Mg L-threonate is special originates from the person who patented it" ([source](https://news.ycombinator.com/item?id=48921929)) "There’s nothing special about it other than the patent." ([source](https://news.ycombinator.com/item?id=48921954))

## Alternatives hackers recommend

- [Creatine monohydrate](https://hackerapproved.com/p/creatine.md): 104 recommend
- [Melatonin](https://hackerapproved.com/p/melatonin.md): 43 recommend
- [Magnesium glycinate](https://hackerapproved.com/p/magnesium-glycinate.md): 31 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

## Cite as

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