He had heart failure at 30 and believes taking steroids will reduce his life by 20 years - but Joey Farrell continues using muscle-building drugs for "the sake of his career".
The professional bodybuilder knows the health warnings and harmful long-term effects, and while he accepts he sounds "contradictory", he warned others not to follow his example.
Meanwhile former Love Island contestant Tom Powell had breast tissue removed after taking steroids, and also said people should not start doing it "whatsoever".
A professor who specialises in steroid abuse has called for regional centres of excellence to tackle what he says is becoming a growing public health concern.