This Mineral Combo Lowered Cortisol by ~45% — Key Takeaways
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This Mineral Combo Lowered Cortisol by ~45%
Dalton (Analyze & Optimize)Jun 5, 2026
Read the originalTaking 250 mg each of magnesium and potassium daily for 2 months cut cortisol by 45.4% and more than doubled melatonin in type 2 diabetics with sleep disorders.
Key takeaways
Mg + K combo cuts cortisol 45% and eliminates severe insomnia
Mg + K combo cuts cortisol 45% and eliminates severe insomnia
- RCT (n=290): combined 250mg Mg + 250mg K for 2 months dropped cortisol from 41.57 to 22.7 ug/dL in type 2 diabetics with sleep disorders.
- 27% entered with severe insomnia; zero in the combo group had it at study end vs. 40% still severe in placebo.
Mg + K together more than doubles melatonin while lowering cortisol
Mg + K together more than doubles melatonin while lowering cortisol
- Combo group saw >2x melatonin increase — neither mineral alone matched this dual cortisol-lowering + melatonin-raising effect.
- Mg boosts serotonin N-acetyltransferase (serotonin→melatonin enzyme); K reduces angiotensin II, cutting adrenal cortisol output.
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In this piece
- Study Design and Cortisol Results
- Insomnia and Melatonin Outcomes
- Mechanisms of Magnesium and Potassium Synergy
“Despite ~27% of people coming in with severe insomnia, not ONE person ended the 2 months with it if they took both minerals.”
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