Suggest Treatment For Blotchy Skin All Over The Body

i have a very blotchy skin all over my body and uneven skin tone..kind of dark and light skin all over..i want to lighen up my skin and make it clear..which creams and body lotions should i use..iam 29 years old..perfectly healthy..takes a good diet...plzzzzzzzz suggest me something which will work fast coz iam tired of his problem