{"input_url":"https://www.npr.org/2026/02/23/nx-s1-5716162/peptides-science-muscle-growth-longevity-wellness","gnews_decode":"https://www.npr.org/2026/02/23/nx-s1-5716162/peptides-science-muscle-growth-longevity-wellness","http_status":200,"final_url":"https://www.npr.org/2026/02/23/nx-s1-5716162/peptides-science-muscle-growth-longevity-wellness","html_length":163893,"trafilatura_result":"ok","text_length":6109,"text_preview":"Influencers are promoting peptides for better health. What does the science say?\nSearch the term \"peptides\" and a long list of online retailer options will pop up. You'll be offered vials of molecules with funky names that sound like exoplanets: GHK-CU, CJC12-95, Thymosin Beta-4.\nThese synthetic pep","verdict":"OK"}