Fitness, Nutrition, Health and Sports Blog In the HSNstore Blog you will find tips about Fitness, sport in general, nutrition, and health – HSNstore.com 
Did you know magnesium is an essential mineral your body needs to function properly every day? Although you can get it through your diet, many people turn to supplements to make sure they cover their needs.
That’s because magnesium not only helps reduce tiredness and fatigue, but also plays a key role in energy metabolism, contributing to cellular energy production. But did you know not all magnesium supplements are the same? Bioavailability, meaning the amount of magnesium your body can absorb and use, varies depending on the form this mineral comes in. Keep reading and you’ll learn how to tell apart the different magnesium salts available, how their bioavailability affects their effectiveness, and what factors influence their absorption.
Index
Table of magnesium types according to their bioavailability
| Type of Magnesium | Bioavailability | Solubility | Benefits |
|---|---|---|---|
| Magnesium Chloride | High (stability constant 0) | High | Cellular detox, improves kidney function, boosts metabolism, helps produce hydrochloric acid for optimal digestion. |
| Magnesium Carbonate | Medium (5-30%) | Medium (reacts with stomach acid) | Antacid, mild laxative, improves solubility of drugs like Fenofibric Acid. |
| Magnesium Oxide | Low (4%) | Low | Antacid, laxative effect, supplement to complete micronutrients. |
| Magnesium Citrate | High | High | Mild laxative, prevents kidney stones, magnesium source. |
| Magnesium Glycinate | High | High | Promotes mental relaxation, increases calm, ideal for supplementation. |
| Magnesium Malate | Medium-High | Medium-High | Reduces chronic fatigue, detoxifies heavy metals, relieves joint pain and fibromyalgia symptoms. |
| Magnesium Ascorbate | Medium-High | Medium-High | Antioxidant, improves iron absorption and storage. |
| Magnesium Sulfate | Medium | Medium | Fights stress, relaxes muscles, relieves cramps, regulates electrolytes. |
| Magnesium Lactate | Medium | Medium | Promotes heart health, supports nervous and digestive system functions. |
Factors that affect magnesium absorption
Some of the most important factors include:
- Digestive health: conditions like low stomach acid or intestinal issues can affect magnesium absorption.
- Interaction with other nutrients: excess calcium, zinc, or phosphorus can interfere with magnesium absorption.
- Administration form: liquid or powder supplements usually absorb better than capsules or tablets.
- Dose and frequency: taking very high doses at once can reduce absorption, as the body eliminates the excess through urine or stool.
How to boost magnesium absorption
Here are some ways to optimize it:
- Eat magnesium-rich foods: include options like almonds, spinach, and avocados in your daily diet.
- Take magnesium supplements: if you struggle to get enough magnesium from food, supplements can be a good option.
- Keep a good balance with calcium and vitamin D: both nutrients can improve magnesium absorption, especially vitamin D.
Keep reading about the topic we’ve introduced
- Say goodbye to muscle cramps with magnesium
- Relationship between magnesium and testosterone
- Symptoms of magnesium deficiency
- Not sure when to take magnesium?
