It looks like you’re asking about “Ez Bulk Susta 300mg.” This is likely referring to a product that contains Sustanon 300, which is a form of testosterone used in bodybuilding or hormone replacement therapy (HRT). Sustanon is a blend of four different testosterone esters, designed to provide a steady release of testosterone into the bloodstream.
If you’re considering using it, it’s important to be aware of potential side effects such as mood swings, water retention, and changes in cholesterol levels. It should only be used under the supervision of a healthcare professional.