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Stress et cortisol

Magnesium Stress

Magnesium is the key nutrient to regulate the stress response and must be replenished during chronic stress.

Definition

Role of magnesium in modulating the stress response and chronic depletion during prolonged stress. Magnesium is essential for calming the nervous system.

How it works

Magnesium acts as a natural regulator of the parasympathetic nervous system, responsible for relaxation and recovery. During chronic stress, cortisol and adrenaline cause a significant magnesium urinary loss, creating a progressive deficiency. This deficiency amplifies anxiety, worsens the stress response, and disrupts sleep, creating a vicious cycle. Moreover, magnesium is a cofactor for over 300 enzymes, including those regulating cortisol and glucose, making its sufficiency critical for stress resilience.

Role

Calms the nervous system, regulates cortisol secretion, and prevents chronic adrenal gland exhaustion.

Examples

  • Brazil nuts reducing anxiety • Dark chocolate calming via magnesium • Magnesium water improving sleep • Cooked spinach preventing deficiency during stress

Recommendations

Consume magnesium-rich foods daily (almonds, pumpkin seeds, cooked spinach, dark chocolate 70%+) and aim for 350-400mg/day for adults. If supplementation is necessary, prefer glycinate or malate, which are well-absorbed. Avoid magnesium before bedtime for certain types (citrate).

Key takeaway

Maintaining adequate magnesium intake is a often overlooked but essential pillar of stress management.

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