Many people who use creatine gain weight. This is because creatine causes the muscles to hold water, not because it actually builds muscle. There is some concern that combining creatine with caffeine and the herb ephedra (also called Ma Huang) might increase the chance of having serious side effects such as stroke.
Concrete retained in forms or covered with insulation seldom loses enough moisture at 40 to 55 degrees Fahrenheit) to impair curing. However, drying from low wintertime humidities and heaters used in enclosures is a concern.
1 Maintain the concrete temperature above 40Â° degrees Fahrenheit for at least four more days after the use of the insulation blankets or heated enclosures. 2  Fresh concrete frozen during the first 24 hours can lose 50% of its potential 28 day strength.