Magnesium for better performance in CrossFit
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Magnesium is one of the most important minerals for any athlete, but especially for those who practice CrossFit. Its role in performance, recovery and mental well-being makes it an almost mandatory supplement in high intensity workouts.
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Why is magnesium key in CrossFit?
During a WOD, multiple body systems are activated: muscular, nervous, metabolic... and magnesium is directly involved in all of them.
Main benefits:
In addition, athletes lose a lot of magnesium through sweatwhich increases the risk of deficiency, even if you eat a healthy diet.

Where to find magnesium naturally?
Although supplementation may be necessary for high performance athletes, it is always advisable to cover part of the needs with magnesium-rich foods.
These are some of the best sources:
Green leafy vegetables
These vegetables concentrate magnesium thanks to chlorophyll, whose structure contains this mineral.
Fruits and vegetables
They provide magnesium along with potassium, fiber and antioxidants.
Nuts and seeds
They are very dense in magnesium: a small amount already covers a good percentage of your daily requirements.
Cocoa and dark chocolate
Pure cocoa (minimum 85%) is an excellent source.
In addition to magnesium, it provides theobromine, which improves mood.
Whole grains and legumes
Rich in magnesium, fiber and vegetable proteins. Very useful for those who follow a more plant-based diet.
What if I still don't make it?
It is common that athletes do not meet their needs through diet alone, especially in phases of demanding training.
That's where supplementation can help.
To find the best options, you can consult our CrossFit supplements recommended, which are designed to enhance your performance and recovery."
There are many forms of magnesium on the market: oxide, citrate, chloride, etc. But not all of them are well absorbed and do not reach the tissues where they are really needed.

Types of magnesium supplements
Not all magnesiums are the same.
Depending on their form, they are absorbed differently and act on different body functions. These are the most effective:
Magnesium type 44868_d3c749-cd> |
Features 44868_d16b1b-42> |
Recommended for 44868_de84cb-ca> |
---|---|---|
Bisglycinate 44868_6b02d6-de> |
High absorption, chelated form, very tolerable 44868_430276-90> |
Cramps, anxiety, insomnia, insomnia 44868_f4dcea-cc> |
Malate 44868_ca9e2a-8d> |
High bioavailability, energizing, no laxative effect 44868_28d584-23> |
Chronic fatigue, muscle aches and pains 44868_edd6c3-74> |
L-Acetyl Taurate 44868_1293b5-59> |
Reaches the brain, regulates neuronal activity 44868_e2ced9-e4> |
Stress, migraines, mental health 44868_08d886-dd> |
Citrate 44868_ed1abc-c9> |
Good absorption, but may cause laxative effect. 44868_02ae6b-a3> |
Occasional constipation 44868_5fed5a-2b> |
Chloride 44868_9e721a-1f> |
Well absorbed, aids digestion 44868_f15f9a-47> |
Stomach acidity, digestive support 44868_3e7c77-f9> |
Rust 44868_fe0606-99> |
Low absorption, cheap and common 44868_4ccee4-18> |
General uses, but not very effective 44868_d67c83-a1> |
Sulfate 44868_2e67c3-a8> |
It is used more in baths (Epsom salts) than orally. 44868_eb0367-98> |
Topical muscle relaxation 44868_51499c-c5> |
Lactate 44868_00f1ee-9e> |
Gentle on the stomach, moderate absorption 44868_39ed33-7e> |
People with sensitive stomachs 44868_1f2aa6-e7> |
Threonate 44868_683004-d1> |
High brain affinity, cognitive enhancement (advanced form) 44868_89826d-df> |
Memory, concentration 44868_22fd0e-ed> |
Taurate 44868_6e8d44-9a> |
Similar to acetyl-taurate, helps the heart and nervous system. 44868_b1e301-b6> |
Cardioprotection, anxiety 44868_0b4a90-d5> |
Carbonate 44868_30b02a-bc> |
Needs acid to be absorbed, may cause gas 44868_a29750-89> |
Occasional use with meals 44868_aceffc-d9> |
Which are the best?
For sports performance and mental healththe best are:
Bisglycinate, Malate, L-Acetyl Taurate and Threonate (although the latter is more expensive and even less used in Europe).
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Triple magnesium
With this combination of the 3 types of magnesium (to ensure that the magnesium reaches to where it is most neededmuscles, brain and heart.
Magnesium L-Acetyl Taurate (ATA Mg®)
It is the better shape for the brain and nervous system. It increases magnesium levels in the brain even in small doses and helps to calm neuronal hyperactivity because it is able to cross the blood-brain barrier. This type of magnesium is highly available.
✅ Ideal for: stress, anxiety, migraines, insomnia and mental fatigue.
Magnesium Bisglycinate (Albion®)
It has a high intestinal absorption and is very well tolerated, even by sensitive stomachs.
It reduces cramps, improves rest and helps in states of anxiety or depression. In addition, does not alter intestinal healthkey in athletes.
Ideal for: athletes, anxiety, insomnia, muscle cramps.
Magnesium Malate (Albion®)
It is easily absorbed and no laxative effectunlike citrate or oxide. It provides energy and relieves muscle pain and chronic fatigue.
✅ Ideal for: people with persistent fatigue, fibromyalgia, anxiety or muscular pain.
Vitamin B6 (Quali®-B): a plus for absorption
The formula is completed with vitamin B6 (DSM®), which is a high quality enhances magnesium absorption and is involved in more than 100 metabolic processes, including muscle and nerve function.
Contains no undesirable extra ingredients
Such as colorants or sweeteners.
Other magnesium brands
Other options are also available on the market.
My Protein
Pros
Cons

Buy Myprotein Magnesium
Natural elements
Pros
Cons
- QUINTUPLE ENERGY | Our complex combines 5 different forms of magnesium...
- HIGHLY DOSED AND HIGHLY BIODISPONSIBLE | Since your body cannot...
In addition to magnesium, other supplements, such as collagen can be very beneficial for joint and connective tissue recovery after intense sessions, helping to maintain your CrossFit performance.
What do users think about taking Magnesium for CrossFit?
The opinions and experiences of people in the community about taking magnesium for CrossFit vary, but in general they highlight a few important points:
- Magnesium glycinate: Best absorbed and used to sleep and relieve cramps.
- Magnesium citrate: Some take high doses (such as 3000 mg daily) and notice improvements in sleep and recovery, although some caution that very high doses may cause side effects such as diarrhea.
- ZMA (zinc, magnesium and vitamin B6): Popular for promoting sleep and recovery, with some experiencing vivid dreams.
In summary, most people who train intensively as in CrossFit find that magnesium can be an important aid in improving sleep and recovery.but they recommend taking it with caution and adjusting the dosage according to individual needs.