Collagen Enzymes
Also known as: Collagen peptides, Hydrolyzed collagen, Collagen hydrolysate, Collagen enzymes (referring to enzymes used in processing), Hydrolyzed Collagen Peptides
Overview
Hydrolyzed Collagen Peptides are a protein-derived peptide supplement obtained by enzymatically breaking down native collagen from animal sources (bovine, porcine, or marine) into smaller, more bioavailable fragments. These peptides are primarily used to support skin health, joint and bone health, and muscle recovery, with emerging evidence for cardiovascular benefits. They are readily absorbed and are believed to stimulate the body's own collagen synthesis. Research on collagen peptides is extensive, with numerous randomized controlled trials and meta-analyses supporting their efficacy for improving skin hydration and elasticity, and potentially joint function and blood pressure. Benefits typically manifest after consistent use for at least 8 weeks.
Benefits
Hydrolyzed Collagen Peptides offer several evidence-based benefits. For skin health, a systematic review and meta-analysis of 26 RCTs (n=1721) demonstrated significant improvements in skin hydration and elasticity (p < 0.00001), with effects becoming more pronounced after 8 weeks of supplementation. Another meta-analysis of 10 RCTs (n=646) corroborated these findings, showing improvements in skin hydration and elasticity. For joint and musculoskeletal health, while evidence is mixed, some studies suggest benefits in joint function and recovery, particularly when combined with exercise. Some research indicates increased markers of bone collagen synthesis with 15g doses, though methodological differences across studies may explain inconsistencies. Cardiovascular benefits include a significant decrease in systolic blood pressure by approximately 5 mmHg (95% CI: −9.22 to −0.85 mmHg) as found in a meta-analysis, though no significant effect on diastolic pressure was observed. Secondary benefits may include improved muscle protein synthesis and body composition when combined with exercise, though this area requires more consistent research. Most studies focus on middle-aged to older adults. Benefits are generally observed after at least 8 weeks of consistent daily intake.
How it works
Oral hydrolyzed collagen peptides are absorbed in the gastrointestinal tract primarily as di- and tri-peptides, as well as free amino acids. These absorbed peptides are then distributed throughout the body, where they are believed to stimulate the activity of fibroblasts in the dermis, chondrocytes in cartilage, and osteoblasts in bone. This stimulation promotes the endogenous synthesis of new collagen and other extracellular matrix components, thereby enhancing tissue repair and regeneration. The peptides may also directly contribute to the structural integrity of tissues. In the context of cardiovascular health, collagen peptides may influence vascular endothelial function, contributing to observed blood pressure reductions. Their high oral bioavailability ensures efficient delivery to target tissues.
Side effects
Hydrolyzed Collagen Peptides are generally considered safe, with no serious adverse events reported in clinical trials. Common side effects are rare and typically mild, primarily involving gastrointestinal discomfort such as bloating or fullness, reported in a small percentage of users. Uncommon or rare side effects have not been consistently documented. There are no known significant drug interactions with collagen peptide supplementation. Contraindications are not established, but individuals with known allergies to the animal sources of collagen (e.g., bovine, porcine, marine) should exercise caution. Data on the safety and efficacy in special populations such as pregnant or lactating women and children are limited, and supplementation in these groups should be approached with caution and under medical guidance.
Dosage
The recommended dosage for hydrolyzed collagen peptides varies depending on the desired outcome. For skin benefits, a minimum effective dose of approximately 2.5 to 5 grams per day is often suggested. For joint and bone health, higher dosages ranging from 10 to 15 grams per day are typically recommended. Studies have safely used up to 15-20 grams daily without reported adverse effects, indicating this range as a likely maximum safe dose. Consistent daily intake for at least 8 weeks is crucial for observing noticeable benefits across all indications. Hydrolyzed collagen peptides are the preferred form due to their enhanced bioavailability. While not strictly required, co-administration with vitamin C is often recommended, as vitamin C is an essential cofactor for endogenous collagen synthesis and may potentiate the effects of collagen supplementation.
FAQs
Are collagen enzymes the same as collagen peptides?
No, 'collagen enzymes' refers to the enzymes used to break down native collagen into smaller fragments, while 'collagen peptides' are the resulting hydrolyzed collagen fragments found in supplements.
Is collagen supplementation safe long-term?
Yes, current scientific evidence from numerous studies supports the long-term safety of hydrolyzed collagen peptide supplementation with no serious adverse effects reported.
How soon will I see results from collagen supplementation?
Benefits for skin and joint health typically become noticeable after at least 8 weeks of consistent daily supplementation.
Does the source of collagen (bovine, marine, etc.) matter for its effectiveness?
Current research indicates no significant difference in effectiveness for skin benefits between collagen derived from bovine, porcine, or marine sources.
Do I need to take vitamin C with collagen?
While not strictly necessary for absorption, vitamin C is vital for the body's own collagen synthesis and may enhance the overall efficacy of collagen supplementation.
Research Sources
- https://pmc.ncbi.nlm.nih.gov/articles/PMC10180699/ – This systematic review and meta-analysis of 26 RCTs (n=1721) found that hydrolyzed collagen supplementation significantly improved skin hydration and elasticity (p < 0.00001), with more pronounced effects after 8 weeks. The study noted some bias in included studies and called for further large RCTs.
- https://pmc.ncbi.nlm.nih.gov/articles/PMC8521576/ – This systematic review examined collagen supplementation and exercise effects on joint function and recovery. It reported mixed results on bone collagen synthesis markers, attributing variability to methodological differences and assay techniques. It also highlighted that vitamin C presence might affect measurement outcomes.
- https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/effects-of-collagen-peptide-supplementation-on-cardiovascular-markers-a-systematic-review-and-metaanalysis-of-randomised-placebocontrolled-trials/D1BD51038B71D9A9BCA7880B1F6649F0 – A systematic review and meta-analysis of RCTs found that collagen peptide supplementation significantly reduced systolic blood pressure by approximately 5 mmHg (95% CI: −9.22 to −0.85 mmHg), but had no significant effect on diastolic pressure. Subgroup analyses suggested that dose and duration influenced the outcomes.
- https://ijdvl.com/effects-of-collagen-based-supplements-on-skins-hydration-and-elasticity-a-systematic-review-and-meta-analysis/ – This systematic review and meta-analysis of 10 RCTs (n=646) confirmed that collagen-based supplements lead to improvements in skin hydration and elasticity. The findings support the use of collagen for dermatological benefits, particularly in anti-aging contexts.
- https://orthopedicreviews.openmedicalpublishing.org/article/129086-the-effects-of-type-i-collagen-hydrolysate-supplementation-on-bones-muscles-and-joints-a-systematic-review – This systematic review investigated the effects of type I collagen hydrolysate supplementation on bones, muscles, and joints. It provided an overview of the current evidence, noting potential benefits for musculoskeletal health, though acknowledging the need for more consistent and robust research in certain areas.
- https://www.cureus.com/articles/207671-exploring-the-impact-of-hydrolyzed-collagen-oral-supplementation-on-skin-rejuvenation-a-systematic-review-and-meta-analysis – This systematic review and meta-analysis explored the impact of hydrolyzed collagen oral supplementation on skin rejuvenation. It concluded that collagen supplementation positively affects skin health parameters, including hydration and elasticity, supporting its role in anti-aging strategies.
Supplements Containing Collagen Enzymes

Collagen Peptides
NaturesPlus

Marine Collagen Peptides
Natures Plus

Collagen Peptides
NaturesPlus

Collagen Peptides
NaturesPlus

Hemp Enhanced Collagen Peptides
NaturesPlus

Marine Collagen Peptides
NaturesPlus

Marine Collagen Peptides
NaturesPlus

Collagen Peptides
NaturesPlus
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