Zinc, magnesium, potassium
From: http://www.thedcasite.com/zinc_magnesium_levels.html
- Low magnesium induces low potassium
- High zinc lowers magnesium absorption
- You can increase potassium levels just by taking magnesium
Magnesium, calcium
These are antagonists. Where magnesium relaxes the muscles, calcium makes them contract. Any condition that involves cramping: think magnesium.