Drs.does 4life transfer factors has any benifit? i found many articles on the internet that transfer factors are immune boosters by 300%.

Not proven: 4life transfer factor contains colostrum, a form of milk produced in late pregnancy which contains high antibody levels. Older research suggested this substance has immune boosting effects, but no recent research confirms this. The US FDA regulates transfer factors as a dietary supplement & has issued a warning that they have not been proven safe or effective in the treatment of any condition.