Magnesium is an essential mineral involved in over 300 enzymatic reactions in the body. It’s crucial for muscle and nerve function, blood sugar control, and blood pressure regulation. Deficiency is surprisingly common, leading many to explore magnesium supplements. But which ones are best? Reddit, with its vast community and shared experiences, offers a wealth of information. This article summarizes key discussions and recommendations found across various subreddits.
Why the Buzz on Reddit About Magnesium?
Several subreddits – r/Supplements, r/Fitness, r/Anxiety, r/Sleep, and even r/magnesium (yes, it exists!) – frequently discuss magnesium. Common themes include:
- Improved Sleep: Many users report better sleep quality with magnesium, particularly magnesium glycinate.
- Reduced Anxiety: Magnesium plays a role in neurotransmitter regulation, and users often share positive experiences with anxiety management.
- Muscle Cramp Relief: Athletes and those with restless leg syndrome (RLS) frequently discuss magnesium for cramp prevention.
- Migraine Management: Some users find magnesium helpful in reducing migraine frequency and severity.
- Digestive Issues: Magnesium citrate is often mentioned (with caution – see below) for constipation.
Types of Magnesium: Reddit’s Preferences
Reddit users are very particular about the type of magnesium. Here’s a breakdown of popular choices:
Magnesium Glycinate
The clear winner. Highly bioavailable and gentle on the stomach. Frequently recommended for sleep, anxiety, and general well-being. Users report minimal digestive upset.
Magnesium Citrate
Well-absorbed, but known for its laxative effect. Good for occasional constipation, but not ideal for daily supplementation if you don’t want frequent bathroom trips. Reddit cautions against overuse.
Magnesium Threonate
Marketed for cognitive benefits, as it’s believed to cross the blood-brain barrier more effectively. More expensive, and Reddit opinions are mixed on whether the benefits justify the cost.
Magnesium Oxide
Poorly absorbed. Generally avoided by Redditors unless specifically recommended by a doctor for a specific condition (like heartburn).
Magnesium Malate
Good for energy production and muscle pain. Some users find it helpful for fibromyalgia.
Dosage & Side Effects: Reddit’s Warnings
Reddit emphasizes starting with a low dose (around 200-400mg) and gradually increasing it to assess tolerance. Common side effects, as reported on Reddit, include:
- Diarrhea (especially with citrate)
- Nausea
- Stomach cramps
Important Reddit Disclaimer: Always consult a doctor before starting any new supplement, especially if you have kidney problems or are taking medications. Magnesium can interact with certain drugs.
Brands Mentioned on Reddit (Popular Choices)
While brand recommendations vary, these frequently appear in discussions:
- Doctor’s Best High Absorption Magnesium Glycinate
- NOW Foods Magnesium Glycinate
- Natural Vitality Calm (Magnesium Citrate – use with caution!)
The Bottom Line (According to Reddit)
Magnesium supplementation can be beneficial for many, but it’s not a one-size-fits-all solution. Magnesium glycinate is generally considered the best starting point due to its bioavailability and gentleness. Pay attention to your body, start low, and consult a healthcare professional. Reddit’s collective wisdom suggests informed experimentation is key.


