Losing weight refers to the reduction of total body mass. It usually occurs due to defective metabolism, prolonged illness, low calorie intake and decreased appetite. It harms person physically and mentally. Weight Expert Advance Kit is a concern, as being underweight can be just as bad for your health as being obese. Additionally, many people who are not clinically underweight still want to gain some muscle, Weight Expert Advance Kit is the solution for this. Whether you’re clinically underweight or simply struggling to gain muscle weight, this product serves your purpose.