Research

Dive deeper into the science behind Ethos. Explore the clinical studies directly – all the research papers used on our site are linked here – for complete transparency and informed decision-making about your well-being.

Injury prevention + recovery

The effects of collagen peptide supplementation on body composition, collagen synthesis, and recovery from joint injury and exercise

https://link.springer.com/article/10.1007/s00726-021-03072-x

Improvement of Functional Ankle Properties Following Supplementation with Specific Collagen Peptides in Athletes with Chronic Ankle Instability

https://pubmed.ncbi.nlm.nih.gov/29769831/

Change in knee osteoarthritis cartilage detected by delayed gadolinium enhanced magnetic resonance imaging following treatment with collagen hydrolysate

https://pubmed.ncbi.nlm.nih.gov/21251991/

Collagen supplementation in orthopedic diseases

https://pubmed.ncbi.nlm.nih.gov/37064452/

Effects of specific collagen peptide supplementation combined with resistance training on Achilles tendon properties

https://pubmed.ncbi.nlm.nih.gov/35403756/

Collagen Peptides Combined with Calf-Strengthening Exercises Enhances Function and Reduces Pain in Achilles Tendinopathy Patients

https://pubmed.ncbi.nlm.nih.gov/30609761/

Muscle strength + recovery

Effects of 12 Weeks of Hypertrophy Resistance Exercise Training Combined with Collagen Peptide Supplementation on the Skeletal Muscle Proteome in Recreationally Active Men

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6566884/

The effects of collagen peptides on muscle damage, inflammation and bone turnover following exercise

https://pubmed.ncbi.nlm.nih.gov/30783776/

Collagen Peptide Supplementation in Combination with Resistance Training Improves Body Composition and Increases Muscle Strength in Elderly Sarcopenic Men

https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/collagen-peptide-supplementation-in-combination-with-resistance-training-improves-body-composition-and-increases-muscle-strength-in-elderly-sarcopenic-men-a-randomised-controlled-trial/9426E375742D094F91029FD0364815C4

Joint pain reduction

The efficacy and safety of low-molecular-weight collagen peptides for joint pain in patients with osteoarthritis

https://www.sciencedirect.com/science/article/pii/S1756464623003924?via%3Dihub

24-Week study on the use of collagen hydrolysate as a dietary supplement in athletes with activity-related joint pain

https://pubmed.ncbi.nlm.nih.gov/18416885/

Effect of collagen hydrolysate in articular pain

https://pubmed.ncbi.nlm.nih.gov/22500661/

The Influence of Specific Bioactive Collagen Peptides on Knee Joint Discomfort in Young Physically Active Adults

https://pubmed.ncbi.nlm.nih.gov/33562729/

24-Week study on the use of collagen hydrolysate as a dietary supplement in athletes with activity-related joint pain

https://pubmed.ncbi.nlm.nih.gov/18416885/

The efficacy and safety of a food ingredient, collagen hydrolysate, for improving joint comfort

https://pubmed.ncbi.nlm.nih.gov/19212858/

Gut + digestive health

Effect of a Daily Collagen Peptide Supplement on Digestive Symptoms in Healthy Women

https://pubmed.ncbi.nlm.nih.gov/35639457/

Hair, skin, nails + anti-ageing

Clinical effects of ingesting collagen hydrolysate on facial skin properties

https://www.researchgate.net/publication/282266135_Clinical_effects_of_ingesting_collagen_hydrolysate_on_facial_skin_properties_-A_randomized_placebo-controlled_double-blind_trial-

Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology

https://pubmed.ncbi.nlm.nih.gov/23949208/

Collagen doses

Significant Amounts of Functional Collagen Peptides Can Be Incorporated in the Diet While Maintaining Indispensable Amino Acid Balance

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6566836/

International Society of Sports Nutrition Position Stand: protein and exercise

https://pubmed.ncbi.nlm.nih.gov/28642676/

Enzymatic Hydrolysis of a Collagen Hydrolysate Enhances Postprandial Absorption Rate

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6566347/

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