Oral sermorelin doesn’t exist maybe he meant ibutamoren,
“While several peptides like Sermorelin, Ipamorelin, and CJC-1295 are commonly discussed in peptide therapy for stimulating GH, these are most effective and FDA-approved in injectable form. Oral, sublingual, or spray versions of these peptides have not been shown to work reliably; most experts and clinics regard them as ineffective for GH stimulation”