
Magnesium is an essential mineral that helps your body with over 300 different functions. It plays an important role in improving your mood, sleep, exercise performance, and even helps regulate blood sugar. Magnesium also supports your brain and overall health.
Magnesium is naturally found in many foods like leafy greens, nuts, seeds, and beans. But if your diet lacks enough magnesium, taking a magnesium supplement can help with these health benefits. Sometimes, even people with a balanced diet can experience magnesium deficiency, especially if they have digestive issues like celiac disease or chronic diarrhea. Certain medications, like diuretics (water pills) and antibiotics, can also lower magnesium levels. In such cases, magnesium supplements can be very helpful.

There are different types of magnesium supplements, each offering its own benefits. It’s important to choose the right supplement for your needs and know the best time to take it for maximum benefits.
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What Does Magnesium Do for Your Body?
Magnesium is essential for many body functions, including:
- Supporting nerve and muscle function
- Maintaining a healthy heartbeat
- Regulating blood sugar levels
- Strengthening bones
- Producing energy
- Promoting relaxation and better sleep
- Reducing inflammation
- Balancing electrolytes and hydration
- Supporting DNA and protein creation
Top Magnesium Supplements Recommended by Experts
There are many magnesium supplements available, but it’s crucial to pick the right one for your needs. Dr. Saurabh Sethi, a certified gastroenterologist, recommends the best and worst magnesium supplements based on his experience.
- For Better Sleep: Magnesium glycinate is great for promoting relaxation and is helpful for those with sleep issues or muscle cramps. It’s gentle on the digestive system and highly effective.
- For Mental Clarity: Magnesium L-threonate is best for improving brain function as it crosses the blood-brain barrier. It’s ideal for boosting cognitive and neurological health.
- For Constipation Relief: Magnesium citrate is a popular option because of its mild laxative effect, making it great for constipation. It also has good absorption and is cost-effective.
Dr. Sethi suggests avoiding magnesium oxide because it doesn’t absorb well in the body.
When to Take Magnesium Supplements
The timing of magnesium supplements is important to get the best results. Here’s when to take each type:
- For Sleep or Relaxation: Take magnesium glycinate or L-threonate 30-60 minutes before bed.
- For Constipation: Take magnesium citrate in the morning or early afternoon.
- For Energy or Muscle Recovery: Take your magnesium supplement in the morning or after a workout.
Choosing the right magnesium supplement for your body is key to improving your health. Always talk to your doctor before starting any supplement.