Not only does Tagamet HB prevent heartburn before it starts, but it also safely controls the production of stomach acid for hours and hours -- something antacids, such as Mylanta(R) and Maalox(R), can't claim.
A sedentary person just beginning circuit training that exercises three to four days a week at a moderate-intensity should begin to notice some initial improvement in aerobic endurance within one to three weeks, according to the American College of Sports Medicine.
The American College of Sports Medicine recommends resistance training two to three times a week. A minimum of 48 hours' rest between circuit training is required for adequate recovery. You should perform one set of eight to 12 repetitions two times a week if you're just beginning. Increase to three days a week or to two sets, or both.