Lower leg cramps depends on how your body is changing. You may be experiencing lower leg cramping. If you are not active, that might complicate matters. You should check this out with your doctor to make sure the symptoms are innocent. As far as nutrition, I would need to know more about your food patterns.
Caffeine is in today's coffee, tea and soda.
Instant coffee has between 30 to 120 mg of caffeine. Cappuccino and Expresso have higher numbers. A five-ounce cup of tea will have up to 80 mg of caffeine. A woman should not go above 300 mg a day. I must tell you that I think that number is way too high.