Muscle cramps are most often caused from a mineral deficiency. Muscle cramps have become more common as a result of nutrient-devoid, convenience foods, as well as whole foods containing anti-nutrients:
~grains that have not been properly prepared are encased with a phytate barrier that gives them a longer shelf-life, protecting the nutrients inside. Our ancestors knew this and it was once a common practice to soak grains until they started to germinate (about 24hrs) which neutralizes the phytates and increases the amount of bio-available nutrients the grain has to offer.
~glyphosate is a common spray used on conventional produce. It is known to bind to magnesium prevents the absorption of magnesium