Weight loss involves lowering body weight through dietary changes, increased exercise, and lifestyle adjustments. It usually requires creating a calorie deficit by burning more calories than consumed. Effective strategies include a balanced diet, regular exercise, and lasting behavioral changes. Popular weight loss products are Meticore, Lean Belly 3X, BioFit, Carbofix, Resurge, Leptitox, Cinderella Solution, Flat Belly Fix, Okinawa Flat Belly Tonic, and Java Burn.