Magnesium bisglycinate vs magnesium citrate: differences, benefits and which one to choose according to your needs

Feb 02, 2026AMIX STORE
Bisglicinato de magnesio vs citrato de magnesio: diferencias, beneficios y cuál elegir según tus necesidades

Magnesium is one of the most important minerals for sports performance, salud muscle and general well-being. However, not all magnesium supplements are created equal. Among the most popular forms are magnesium bisglycinate and magnesium citrate, two options with different properties, uses and tolerances.

In this article we analyze in depth the differences between bisglycinate and magnesium citrate, their benefits, for which cases each one may be more suitable and how to choose the best option according to your needs. objetivos.

Why is magnesium important in sports supplementation?

Magnesium participates in more than 300 enzymatic reactions in the body. In the context of sports and salud, It is key to:

  • Muscle and neuromuscular function
  • Energy production (ATP)
  • electrolyte balance
  • Reducing tiredness and fatigue
  • The correct functioning of the nervous system
  • The quality of rest and recovery

Therefore, insufficient intake or poor absorption can negatively affect performance and recovery.

Types of magnesium: what does the supplement form mean?

Elemental magnesium is always linked to another compound (salt or chelating agent). This union determines:

  • Bioavailability (what percentage is absorbed)
  • digestive tolerance
  • The main physiological effect

This is where the differences between bisglycinate and citrate appear.

What is magnesium bisglycinate?

Magnesium bisglycinate is a form of chelated magnesium, where the mineral is bonded to two molecules of the amino acid glycine.

Main advantages of magnesium bisglycinate

Among the main advantages of magnesium bisglycinate are: 

  • High bioavailability
  • Excellent gastrointestinal tolerance
  • Does not usually cause diarrhea
  • Calming effect thanks to glycine

For what cases is magnesium bisglycinate most useful?

Bisglycinate is usually a good option for people looking for:

  • Improve muscle recovery
  • Reduce cramps and muscle tension
  • Support rest and sleep quality
  • Reduce stress and mental fatigue
  • Avoid digestive discomfort

It is especially interesting for athletes, people with intense training or individuals sensitive to other types of magnesium.

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What is magnesium citrate?

Magnesium citrate is a salt formed by magnesium and citric acid. It is one of the most used forms due to its good level of absorption and its affordable cost.

Main advantages of magnesium citrate

  • Good bioavailability
  • Quick absorption
  • Can stimulate intestinal transit
  • It is usually cheaper

For what cases is magnesium citrate most useful?

Citrate may be a suitable option when looking for:

  • Correct magnesium deficiencies in a general way
  • Support digestive function
  • Fight occasional constipation
  • Maintain electrolyte balance

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Key Differences Between Magnesium Bisglycinate and Magnesium Citrate

Bioavailability and absorption

  • Magnesium bisglycinate: very efficient and stable absorption
  • Magnesium citrate: good absorption, but dependent on intestinal transit

Digestive tolerance

  • Bisglycinate: very well tolerated, even in sensitive people
  • Citrate: may cause diarrhea or discomfort if the dose is high

Main effect on the body

  • Bisglycinate: muscle relaxation, nervous system, rest
  • Citrate: digestive function and intestinal transit

Use in sport

  • Bisglycinate: ideal for recovery, sleep and cramp prevention
  • Citrate: useful as general support and in phases of high sweating
Magnesium in the sports context is essential to prevent muscle cramps and for muscle relaxation

Which magnesium is better: bisglycinate or citrate?

There is no single valid answer. The best option depends on your personal needs, your digestive tolerance and your objetivos.

Magnesium bisglycinate may be your option if:

  • You train frequently or high intensity
  • You seek to improve recovery and rest
  • You are prone to muscle cramps
  • You have digestive sensitivity

Magnesium citrate may be your option if:

  • You are looking for a general purpose magnesium
  • You have occasional constipation problems
  • Prioritize a cheaper option
  • You tolerate mineral supplements well

Can different forms of magnesium be combined?

In some advanced supplementation protocols, different forms of magnesium are combined to take advantage of complementary benefits. However, this must be done by correctly adjusting the total doses.

Conclusion: two forms of magnesium, two different uses

Both magnesium bisglycinate and magnesium citrate are effective options within sports and health supplementation. salud. The key is to understand their differences and choose the way that best suits your needs. objetivos, lifestyle and digestive tolerance.

A well-chosen supplement can make a difference in your performance, recovery and daily well-being.

Toni Ortega profile picture

Toni Ortega

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Redactor especialista en suplementación y nutrición deportiva.

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