Nutrition
Magnesium: The Mineral That Fixes Everything
It's called the "master mineral" for a reason. Magnesium affects over 300 enzymatic reactions in your body. Here's why you're probably deficient—and how to fix it.
Up to 75% of Americans don't get enough magnesium from diet alone. Modern soil depletion, processed foods, and chronic stress all deplete magnesium stores. The result? Poor sleep, anxiety, muscle cramps, and sluggish recovery.
What Magnesium Does
- Sleep: Activates parasympathetic nervous system, promotes melatonin production
- Muscle Recovery: Relaxes muscles, reduces cramps, aids protein synthesis
- Anxiety: Regulates GABA, the "calm" neurotransmitter
- Heart Health: Maintains normal heart rhythm, supports blood pressure
- Energy: Required for ATP production (cellular energy)
- Bone Health: Works with calcium and vitamin D for bone density
Signs of Magnesium Deficiency
- Poor sleep or insomnia
- Muscle cramps or twitches
- Anxiety or racing thoughts
- Fatigue, especially afternoon crashes
- Headaches or migraines
- Constipation
- Brain fog
Types of Magnesium (And Which to Choose)
Magnesium Glycinate
Best for: Sleep, anxiety, general supplementation
Highly bioavailable and gentle on stomach. The glycine component promotes relaxation.
Magnesium Citrate
Best for: Constipation, general health
Good absorption, but can cause loose stools in high doses.
Magnesium Threonate
Best for: Cognitive function, brain health
Crosses blood-brain barrier. Emerging research shows promise for memory.
Magnesium Malate
Best for: Energy, muscle pain, fibromyalgia
Combined with malic acid (energy production).
Magnesium Oxide
Best for: Occasional constipation only
Poor absorption, mostly used as a laxative.
Optimal Dosing
- General health: 200-400mg daily
- Sleep improvement: 300-400mg (glycinate) 30 min before bed
- Anxiety relief: 200-400mg (glycinate) daily
- Muscle recovery: 300-400mg (citrate or glycinate) post-workout
Start low (100mg) and gradually increase. Too much can cause digestive upset.
Food Sources
- Dark chocolate (70%+)
- Avocados
- Leafy greens (spinach, kale)
- Nuts and seeds (almonds, pumpkin seeds)
- Legumes (black beans, lentils)
- Whole grains
- Fatty fish (salmon, mackerel)
The Bottom Line
If you struggle with sleep, anxiety, or muscle recovery, magnesium deficiency is likely. Start with 200mg of magnesium glycinate before bed. Adjust based on tolerance and symptoms. It's one of the simplest, most effective supplements you can take.