[tonyz]

Eating bananas always helped me.

Also, I use these in the heat and humidity of summer - Amazon has them (worked in SE Asia summer heat/humidity, also). Must drink lots of water with them. I’m sure the docs here have better info.

“Medi-Lyte Tablets by Medique
Manufacturer: Medique Products
Tablets helps provide rapid rehydration and nutritional support for muscle cramps, heat exhaustion, heat stroke and more*
Each tablet contains Calcium 10.8 mg, Potassium 40 mg and Magnesium 12 mg
Tamper-evident foil packets with English and Spanish labeling
* This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.”