Positives

• Patients with EDS and HSD on hydrolyzed collagen commonly report anecdotal joint comfort and recovery benefits, with some users describing fewer subluxations on consistent daily dosing Inspire.

Negatives

• One patient with EDS reported zero improvement in DEXA scores or joint stability despite 2 years of daily hydrolyzed collagen supplementation Mayo Clinic Connect.
• There is no evidence that collagen supplements help people who have EDS or HSD, because the body breaks dietary collagen into amino acids that cannot fix the underlying genetic mutation Ehlers-Danlos Society.

Hurdles & Side Effects

• Hydrolyzed collagen is generally well tolerated, with the most-reported issues being mild GI upset and a slight aftertaste; bovine and marine sources are equally effective in head-to-head trials, so source choice can be driven by allergy profile and patient preference PMC.
  
  
• Effective doses (10-20 g/day for hydrolyzed peptides) require multiple scoops per day and typically need 4-12 weeks of consistent use before joint-pain benefits show, so adherence and patience are the main practical hurdles PubMed.