I keep getting sore calves not related to exercise or muscle strain.
I'm eating enough calories, I'm supplementing with magnesium glycinate (3x 100mg a day averaging 700mg Mg after food intake), and I should be ok on my potassium (usually around 5g a day.)
Is this likely from not having enough sodium (averages a little over 2g a day) or is it from being low-carb (or something else)? When I eat, the soreness goes away (strange.) The longer between meals, the more likely it is to start feeling sore. My daily calcium intake is usually around 600mg or so.
I've been eating less carbs each day this week, down to around 100g today.
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I do think that it has something to do with sodium. When I first went low-carb paleo, I would do vigorous cardio at my college gym (sweating a lot!). Almost every night, I would wake up in the middle of the night with a charlie horse or calf soreness. My problem was that, at that time, I was not adding salt to my food. I now eat more salt and do not have the calf issues, even if I do the same type of exercise. I also found a correlation between sweating and calf soreness. The more I sweat, the more often I have sore calves. I really think that it has to do with dehydration. Low-carbing prevents you from retaining much water. This is why many people have to go to the bathroom in the middle of the night on low-carb. Definitely add some sodium in your diet!