In one study, taking collagen peptide supplements daily for a year increased bone mineral density in the upper back and upper leg bones of people assigned female at birth (AFAB) after menopause
The difference between clinic-grade and research-grade peptides is not theoretical: it affects the actual peptide content, sterility, contamination risk, and the accountability chain that protects the patient

References: EDS Types | The Ehlers Danlos Society : The Ehlers Danlos Society (ehlers-danlos.com) Ehlers-Danlos Syndrome: Symptoms, Causes, Treatments (clevelandclinic.org) Collagen: The Fibrous Proteins of the Matrix Molecular Cell Biology NCBI Bookshelf (nih.gov) Ehlers-Danlos syndromes | Genetic and Rare Diseases Information Center (GARD) an NCATS Program (nih.gov) Ehlers-Danlos syndromes NHS (www.nhs.uk) Accurate diagnosis and self-care support for women with lipoedema | Practice Nursing (magonlinelibrary.com) Subcutaneous Adipose Tissue Diseases: Dercum Disease, Lipedema, Familial Multiple Lipomatosis, and Madelung Disease Endotext NCBI Bookshelf (nih.gov) Lipedema: A Painful Adipose Tissue Disorder | IntechOpen Lipedema: friend and foe (nih.gov) Subcutaneous Adipose Tissue Diseases: Dercum Disease, Lipedema, Familial Multiple Lipomatosis, and Madelung Disease Endotext NCBI Bookshelf (nih.gov) A novel therapeutic strategy for EhlersDanlos syndrome based on nutritional supplements ScienceDirect * These statements have not been evaluated by the Food and Drug Administration

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Accurate volume measurement depends on bubble removal