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However, some may require more time, depending on individual health conditions and the severity of their deficiency

US customs data records peptide and hormone compound imports from China roughly doubling to $328 million in the first three quarters of 2025, up from $164 million the preceding year

Peptides are short chains of amino acids, the building blocks of proteins, found in every cell and involved in many essential body processes

Statements Author contributions ZR and ZY proposed the study and the guarantors

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Success in addressing the EED reproductive health challenge requires sustained interdisciplinary collaboration, integrating cutting-edge research methodologies, advanced biomonitoring technologies, personalized prevention strategies, and evidence-based policy initiatives