Description of Citri Mag | magnesium citrate powder
Short summary
Eurosup Citri Mag is magnesium in the form of tribasic magnesium citrate powder – one of the most scientifically researched and best-absorbed forms of magnesium (Kappeler et al., 2017). One dose (2.7 g) provides 375 mg of elemental magnesium, corresponding to approximately 100% of the recommended daily intake, and contributes to normal muscle and nervous system function, electrolyte balance, energy metabolism, and the reduction of tiredness and fatigue. The formula contains no added sweeteners, flavorings, or colorants, placing this powder among the purest products in this category.
8.4 / 10Our expert rating
Ingredient quality9.0
Formula transparency9.5
Effectiveness9.5
Safety9.0
Independent testing1.0
How to use
Mix one dose (2.7 g – one scoop) with approximately 100 ml of water or another liquid and consume at any time during the day or before bed. Evening is often a convenient time to take it, but the exact time isn't crucial – what matters more is consistently reaching your daily magnesium intake target.
Pros and Cons
Magnesium citrate is one of the scientifically best-researched and best-absorbed forms of magnesium for oral use (Kappeler et al., 2017)
Contributes to normal functioning of the nervous system and the maintenance of healthy bones and teeth
No added sweeteners, flavorings, or colorants – one of the purest formulas in this product group
Convenient powder form that's easy to mix with water or another liquid
Pure magnesium citrate has a naturally pronounced sour aftertaste that isn't for everyone
May speed up digestion in individuals with sensitive digestive systems
The 375 mg elemental magnesium daily dose is close to or above the generally accepted upper limit for supplemental magnesium (350 mg/day), so it is not intended to be combined with additional magnesium sources without consulting a professional
The manufacturer does not disclose an independent laboratory report testing the product's purity
Suitable for
Athletes and physically active individuals – to support post-workout recovery
Individuals under greater physical or psychological strain
Those looking to support muscle recovery after exertion
People who frequently experience fatigue and exhaustion
Vegans and vegetarians – the formula contains no animal-derived ingredients
Magnesium citrate is an organic salt of magnesium and citric acid, which is absorbed significantly better in the digestive tract than inorganic magnesium oxide. In a randomized crossover study, magnesium citrate showed significantly higher 24-hour urinary excretion and higher serum magnesium concentrations after a single dose compared to oxide, which is a direct indicator of better bioavailability (Kappeler et al., 2017). This doesn't mean oxide doesn't contain magnesium, but rather that the body actually absorbs and utilizes a greater proportion of the ingested mineral from the citrate form.
There is evidence that magnesium supplementation – including the citrate form – may, through an anti-inflammatory mechanism, help reduce muscle soreness or delayed onset muscle soreness (DOMS) after physical activity, with athletes reportedly needing about 10-20% above the general recommended daily intake (Tarsitano et al., 2024). This product's dose (375 mg elemental magnesium) falls within that range. It should be emphasized, however, that magnesium is not a miracle cure for muscle soreness – it acts as a supporting factor within an otherwise balanced diet, sleep, and appropriate training, not as a replacement for them.
At the recommended daily dose (2.7 g, providing 375 mg elemental magnesium), the product is safe for most healthy adults, though this dose is above the classic upper limit for supplemental (non-dietary) magnesium, which is 350 mg/day (NIH ODS, based on IOM 1997) – some more recent reviews suggest this limit may be conservative (Costello et al., 2023), but it has not (yet) been officially revised. The most common side effect of exceeding it is a laxative effect or diarrhea. If you have impaired kidney function, are pregnant, breastfeeding, or taking medication, consult a doctor before regular use.
Based on currently available product information, there is no publicly published independent laboratory report for Eurosup Citri Mag that, for example, verifies heavy metal content (lead, cadmium, arsenic, mercury) – a particularly relevant risk for powdered mineral products due to possible contamination during raw material production. This doesn't necessarily mean the product is unsafe, as manufacturers generally follow general GMP standards, but it does mean this cannot be verified from publicly available sources, which is why we rate this aspect lower than products with a publicly published, batch-specific report.
No major allergens listed.
Do not exceed the recommended daily amount, as excessive magnesium intake may trigger a laxative effect.
If you have kidney disease, are pregnant, breastfeeding, or taking medication (e.g. diuretics, antibiotics), consult a doctor before use.
Ingredients
Tribasic magnesium citrate, stabilizer (calcium phosphate).
Form:Powder
Dose:2.7 g
Available flavors:Unflavored
Magnesium:375 mg
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