Prof Channa Jayasena says growing online sales of unregulated drugs risk fatalities as responsibility falls between regulators Fitness influencers linked to wellness brand helping run illegal steroid market on Telegram The UK has become a “wild west” for people peddling experimental peptides, steroids and other substances, a leading expert has said, warning action must be taken to avoid fatalities. Prof Channa Jayasena of Imperial College London, a consultant in reproductive endocrinology and…