Does magnesium help with weight loss?

Can't lose weight? It might not be your fault: a lack of magnesium could be blocking your metabolism.

Many people diet, train diligently, and still don't see results. The scale doesn't budge, their bodies don't respond, and frustration mounts. What almost no one suspects is that, in many cases, the real problem lies in a simple mineral : magnesium.

Magnesium and its role in fat loss

For years, magnesium has been touted for its benefits to sleep better, reduce stress, and relieve cramps. But very few people know about its crucial role in fat loss . In fact, your magnesium levels may be determining, right here and now, whether your body burns fat or stores it, without you being able to do anything about it.

A 2020 study published in the journal Nutrients (PMID: 32654500 ) revealed that magnesium deficiency reduces metabolic flexibility . This little-known but highly relevant condition means your body loses its ability to switch between burning fat and glucose as energy sources. In other words, it plateaus. The result is that, even if you eat the same amount and train the same way, your body stores more fat, uses blood sugar less efficiently, and develops greater insulin resistance . And all this without you having changed anything about your lifestyle.

To make matters worse, the same research indicates that mitochondria—the cells responsible for energy production—become less active under low magnesium conditions. It's a kind of energy-saving mode that sabotages any weight loss efforts. The consequence? Same effort, but very different results.

It helps speed up metabolism.

Another study published in Frontiers in Nutrition in 2021 (PMID: 34836329 ) analyzed 18 randomized clinical trials with 1,132 participants. The finding was clear: magnesium supplementation significantly improved blood glucose, fasting insulin levels, insulin sensitivity, and triglycerides , especially in people with metabolic syndrome, type 2 diabetes, or insulin resistance. But most importantly, even in healthy individuals with “normal” magnesium levels , metabolic benefits were also observed. In other words, “normal” may not be enough when it comes to optimizing your metabolism.

This new approach completely changes our understanding of weight loss. Counting calories or racking up hours of exercise is no longer enough. We now know that internal biochemistry—and specifically magnesium levels—is an essential link . Without a proper nutritional foundation, your body simply won't enter fat-burning mode. And often, this metabolic blockage has a name: magnesium deficiency.

The best magnesium for weight loss

That's why including bioavailable magnesium in your daily routine can make all the difference. At Longevitas, we trust Magnesium Bisglycinate , a highly absorbable, well-tolerated form with scientific backing. Not all forms of magnesium are created equal, and choosing the right one can help unlock processes that have been stalled for months.



https://longevitas.es/products/formula-magnesio-bisglicinato

"Health is not about fighting against the body, but about giving it the conditions to do what it knows how to do."
Dr. Mark Hyman, functional medicine physician and author on metabolic health