Magnesium Deficiency: New Research on the Role of Magnesium in Hormones

New research published in the European Journal of Endocrinology shows that magnesium may play a much greater role than just in muscle cramps and relaxation. The mineral appears to be involved in hormonal processes, insulin sensitivity, stress regulation, bone health, thyroid function, and cardiometabolic health. Because only a small portion of magnesium is found in the blood, it’s important to always assess magnesium status within the broader context of other blood test results. This provides a more complete picture of your health and allows for a better interpretation of potential deficiencies.

We mainly associate magnesium with muscle cramps, relaxation, and sleep. But a new article in the European Journal of Endocrinology shows that magnesium has a much broader effect than is often thought.

The researchers describe magnesium as a potential endocrine modulator: a substance that influences hormonal systems and metabolic processes.

What the research suggests magnesium plays a role in

Consider links to:

• Glucose Metabolism and Insulin Sensitivity
• Stress Regulation and the HPA Axis
• Bone Health
• Thyroid Function
• Muscle and Nerve Function
• Cardiometabolic Health

How a magnesium deficiency can affect symptoms and recovery

Magnesium is not a miracle cure. However, this study underscores that magnesium deficiency or an imbalance in magnesium levels is relevant not only to muscle cramps, but also to fatigue, stress-related symptoms, hormonal issues, slower recovery, and metabolic problems.

Why a magnesium blood test doesn’t tell the whole story

Only a small portion of magnesium is found in the blood. That is why it can sometimes be helpful to look not only at serum magnesium levels, but also at the broader context: vitamin D, calcium, kidney function, glucose, insulin, inflammation markers, and, if applicable, intracellular magnesium.

Measuring magnesium as part of a broader health assessment

At Bloedwaardentest, we therefore don’t view magnesium as a standalone “supplement value,” but as part of a broader picture of health.

Testing provides insight—especially if you have symptoms that can’t be easily explained.

Study: Magnesium as an Endocrine Modulator: Physiological Roles, Clinical Evidence, and Therapeutic Perspectives
European Journal of Endocrinology, May 2026

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