A good and balanced diet is essential for a good healthy physique.
Steroids are for enhancing that physique and making it even better.
They go hand in hand. Steroids won't work properly unless you are consuming the right nutrition.
To be healthy, you need good nutrition, and must eat properly. To consume steroids in a healthy way, you need to stick to that good nutrition, and also use the steroids properly. What you put into your body must be done in the right proportion and manner, in order to fulfil the goals of bodybuilders and weight trainers, whether it be food liquids or steroids. That's how they corrolate.