Are you desperate to lose weight? Visit the hCG Diet Clinic of the Rio Grande Valley with locations in McAllen, Pharr, Weslaco, Harlingen and Brownsville. We can help you lose up to 40 pounds in 40 days, the natural way. The hCG weight loss program is a healthy way to lose weight without the dangers that come with other weightless alternatives such as crash diets or liposuction.