Anti-Aging · Codeage · Collagen Peptides · Hair Nails · Joint Support · Marine Collagen · Pharmacist Recommended · pillar-nutrition-supplements · pillar-pharmacist-product-guide · Skin Health ·Sep 07, 2026

Codeage® Wild-Caught Marine Collagen Peptides: The Pharmacist's Guide to Types 1 & 3 Collagen

Dai Tran, PharmD, MBA, B.S.

CEO & Lead Pharmacist, Khang Pharmacy • CA/MN/TX Licensed Pharmacist

Clinical Insights Series • APhA Immunization Certified • 10+ Years Clinical Experience

The Clinical Question

Does oral hydrolyzed marine (fish-derived) collagen peptide supplementation produce meaningful improvements in skin hydration, elasticity, and wrinkle appearance in humans — and how strong and reliable is that evidence?

Bottom Line Up Front

Human RCTs of fish-derived hydrolyzed collagen report improvements in selected measures of skin hydration, elasticity, and wrinkles. However, the trials evaluated specific proprietary collagen preparations rather than Codeage® Wild-Caught Marine Collagen, and recent meta-analytic evidence raises concerns about study quality and industry funding bias. These findings support biological and clinical plausibility for marine collagen peptides but do not establish efficacy of this finished product.

What Is Marine Collagen?

Marine collagen is a structural protein derived from fish skin and scales, predominantly rich in Type 1 collagen — the primary collagen type in human skin, hair, and nails. It is enzymatically hydrolyzed into short-chain peptides (collagen peptides) that are absorbed through the intestinal wall and delivered to the dermis, where they are thought to stimulate fibroblasts to synthesize new collagen.

Collagen production declines with age — beginning as early as the mid-20s and accelerating after 40 — contributing to skin thinning, wrinkle formation, and reduced elasticity. This is the biological rationale for collagen supplementation.

Marine vs. Bovine Collagen: What’s the Difference?

Marine collagen is predominantly Type 1 and has a lower average molecular weight than bovine-derived peptides, which has been proposed to enhance absorption. Whether this translates to superior clinical outcomes compared with bovine collagen has not been established by head-to-head human trials.
Bovine collagen is derived from cow hides and contains Types 1, 2, and 3 collagen. Much of the broader collagen literature — including widely-cited skin RCTs using proprietary preparations such as VERISOL® — used bovine-derived collagen, not marine collagen. Those results should not be assumed equivalent to marine collagen.

Evidence Transfer Caveat: All studies cited below used specific proprietary collagen preparations (e.g., Vinh Wellness Collagen, low-molecular-weight fish collagen peptides, Pangasius fish skin collagen hydrolysate, Pure Gold Collagen®). These preparations are not equivalent to Codeage® Wild-Caught Marine Collagen. Clinical results from one collagen product cannot be assumed to apply directly to another.

What Human Studies Show

Evidence labels: HUMAN RCT = randomized, double- or triple-blind, placebo-controlled trial | OPEN-LABEL = no placebo control | SYSTEMATIC REVIEW / META-ANALYSIS = pooled analysis of multiple trials

Skin Elasticity

HUMAN RCT Evans et al., 2021 (PMID: 32799362): Randomized, triple-blind, placebo-controlled trial; n=50 women aged 45–60 (25 per group). Hydrolyzed marine collagen (Vinh Wellness Collagen) 10 g/day vs. placebo for 12 weeks. Significant within-group wrinkle reduction (35%) in the marine collagen group; between-group wrinkle reduction was greater on one side of the face vs. placebo. A planned age-subgroup analysis showed improvements in cheek elasticity. Note: Vinh Wellness Collagen is not equivalent to Codeage® Wild-Caught Marine Collagen.
HUMAN RCT Kim et al., 2018 (PMID: 29949889): Randomized, double-blind, placebo-controlled trial (n=64). Fish collagen peptides, 1,000 mg/day for 12 weeks. Two of three elasticity parameters were significantly better in the collagen group vs. placebo at 12 weeks. Note: Fish-derived collagen peptides; not the same preparation as this product.
HUMAN RCT Lee et al., 2024 (PMID: 38854476): Randomized, double-blind, placebo-controlled trial (n=85 randomized, 78 completed; ages 35–60 with photo-aged skin). Pangasius fish skin collagen hydrolysate, 1,000 mg/day for 12 weeks. Significant improvements in elasticity at 6 and 12 weeks vs. placebo. Note: Pangasius fish skin preparation; not the same preparation as this product.

Skin Hydration

HUMAN RCT Kim et al., 2018 (PMID: 29949889): Skin hydration was significantly higher in the fish collagen group vs. placebo at both 6 and 12 weeks.
HUMAN RCT Lee et al., 2024 (PMID: 38854476): Significant improvements in skin hydration and reduction in roughness at 6 and 12 weeks vs. placebo.

Wrinkles / Visible Skin Aging

HUMAN RCT Evans et al., 2021 (PMID: 32799362): Significant within-group wrinkle reduction (35%) in the marine collagen group at 12 weeks; greater between-group wrinkle reduction vs. placebo on one side of the face.
HUMAN RCT Kim et al., 2018 (PMID: 29949889): Wrinkle measures improved significantly in the fish collagen group at 12 weeks vs. placebo.
OPEN-LABEL Borumand & Sibilla, 2015 (PMID: 25342893): Open-label study (no placebo control) using a liquid marine collagen supplement (Pure Gold Collagen®). Reductions in wrinkle depth and improvements in skin hydration reported over 60 days. Interpret cautiously given the absence of a placebo control group.

Broader Collagen Evidence: Systematic Reviews & Meta-Analyses

SYSTEMATIC REVIEW / META-ANALYSIS de Miranda et al., 2021 (PMID: 33742704): 19 double-blind controlled trials, 1,125 participants (ages 20–70; 95% women). Pooled results favored hydrolyzed collagen for hydration, elasticity, and wrinkles.
SYSTEMATIC REVIEW / META-ANALYSIS Pu et al., 2023 (PMID: 37432180): 26 RCTs, 1,721 participants. Statistically significant improvements in skin hydration and elasticity across pooled trials. Subgroup analyses considered collagen source. Authors noted study quality variability and called for larger RCTs.

Important Evidence-Quality Counterpoint

CRITICAL APPRAISAL Myung & Park, 2025 (PMID: 40324552): 23 RCTs, 1,474 participants. Overall pooled results favored collagen for hydration, elasticity, and wrinkles. However, when analyses were restricted by funding source and study quality, the apparent benefits were not demonstrated in non-industry-funded or high-quality studies. The authors concluded that current evidence does not establish collagen supplementation for prevention or treatment of skin aging. This is an important counterweight to the positive pooled findings above.

Known Limitations in the Evidence Base

All individual RCTs cited used specific proprietary preparations — results cannot be assumed to apply to Codeage® Wild-Caught Marine Collagen or any other product
The 2025 meta-analysis (Myung & Park) found that apparent benefits were not sustained in non-industry-funded or high-quality trials, raising important concerns about publication bias and funding effects
Individual marine/fish collagen RCTs are typically short (8–12 weeks) and use varying doses (1,000–10,000 mg/day); long-term outcomes are not well established
Direct comparative trials between marine and bovine collagen preparations have not been conducted
No evidence is cited for joint, bone, or muscle outcomes in this article, because this review is intentionally focused on marine collagen and skin outcomes

Safety & Drug Interactions

Allergens: Marine collagen is derived from fish. Not suitable for individuals with fish or seafood allergies.
Generally well-tolerated: No significant adverse effects reported in published clinical trials. Kim et al. (2018) specifically noted no supplement-related adverse symptoms.
Drug interactions: No clinically significant drug interactions are established for hydrolyzed collagen peptides.
Vitamin C: Vitamin C is an essential cofactor in normal collagen synthesis, and adequate dietary vitamin C is therefore important. However, most published collagen-peptide trials were conducted without supplemental vitamin C co-intervention — supplemental vitamin C has not been established as necessary for obtaining the outcomes reported in those studies.

About Codeage® Wild-Caught Marine Collagen

Codeage® Wild-Caught Marine Collagen provides 9 g of hydrolyzed marine collagen peptides (Types 1 & 3) per serving, sourced from wild-caught fish. The powder is unflavored and odorless, providing 50 servings per container. Clinical results from the proprietary collagen preparations reviewed in this article should not be assumed to apply directly to this finished product.

Who Should Consider Marine Collagen Peptides?

Adults seeking support for skin hydration, elasticity, or visible signs of aging, with the understanding that the evidence base reflects specific proprietary preparations and that a 2025 meta-analysis raised concerns about study quality
Individuals who prefer a fish-derived over bovine-derived collagen source
Those seeking an unflavored, easily mixed protein supplement with a collagen peptide base
Not appropriate for: individuals with fish or seafood allergies

Pharmacist’s Interpretation

As a PharmD, I discuss marine collagen peptides as having a biologically plausible and clinically supported rationale for skin health — but I present the evidence honestly. Three marine/fish-specific RCTs show improvements in skin hydration, elasticity, and wrinkles at doses of 1,000–10,000 mg/day over 8–12 weeks. The broader meta-analytic literature is supportive but meaningfully qualified by a 2025 analysis showing effects diminish in non-industry-funded, high-quality trials. I do not represent the published evidence as proof that Codeage® Wild-Caught Marine Collagen specifically will produce these outcomes.

Frequently Asked Questions

Q: How long does it take to see results?
A: In the fish/marine collagen RCTs reviewed here, significant improvements in hydration and elasticity were observed at 6 and 12 weeks at doses of 1,000 mg/day. These timelines reflect the specific preparations studied, not necessarily this product.

Q: Is marine collagen better than bovine for skin?
A: Marine collagen is predominantly Type 1, which is the primary structural collagen in skin. However, direct head-to-head trials comparing marine and bovine collagen for skin outcomes have not been conducted. The widely-cited VERISOL® skin elasticity RCT used bovine-derived collagen — we do not cite it in this article because it is outside the scope of this marine-collagen-focused review.

Q: Do I need extra Vitamin C with this?
A: Adequate dietary vitamin C is important for normal collagen synthesis. However, most published collagen-peptide trials did not include supplemental vitamin C, so it has not been established as required to achieve the outcomes reported in those studies.

Q: Can I take this if I have a fish allergy?
A: No. Marine collagen is derived from fish skin and scales and is contraindicated in individuals with fish allergies. Please consult your pharmacist for an alternative.

Q: Does the published evidence prove this product works?
A: No. The studies cited used specific proprietary collagen preparations that are not the same as this product. The evidence supports biological plausibility and clinical signals for marine collagen peptides as a class, but efficacy of this specific finished product has not been independently established.

Selected Key Studies

Evidence labels: HUMAN RCT | OPEN-LABEL | SYSTEMATIC REVIEW / META-ANALYSIS | CRITICAL APPRAISAL

HUMAN RCT Evans M, Lewis ED, Zakaria N, Pelipyagina T, Guthrie N. A randomized, triple-blind, placebo-controlled, parallel study to evaluate the efficacy of a freshwater marine collagen on skin wrinkles and elasticity. J Cosmet Dermatol. 2021;20(3):825–834. PMID: 32799362.
n=50 women aged 45–60 (25 per group); Vinh Wellness Collagen (hydrolyzed marine collagen) 10 g/day vs. placebo for 12 weeks; 35% within-group wrinkle reduction; between-group wrinkle reduction greater on one side of the face vs. placebo; planned age-subgroup improvements in cheek elasticity. Marine/fish-derived preparation; not equivalent to Codeage®.
HUMAN RCT Kim DU, Chung HC, Choi J, Sakai Y, Lee BY. Oral Intake of Low-Molecular-Weight Collagen Peptide Improves Hydration, Elasticity, and Wrinkling in Human Skin: A Randomized, Double-Blind, Placebo-Controlled Study. Nutrients. 2018;10(7):826. PMID: 29949889.
n=64; fish collagen peptides 1,000 mg/day vs. placebo for 12 weeks; significant improvements in hydration (weeks 6 and 12), wrinkles (week 12), and two of three elasticity parameters (week 12) vs. placebo. No adverse effects reported. Fish-derived preparation; not equivalent to Codeage®.
HUMAN RCT Lee JS, Yoon YC, Kim JM, Kim YH, Kang YH, Shin YC. Liquid collagen from freshwater fish skin ameliorates hydration, roughness and elasticity in photo-aged skin: a randomized, controlled, clinical study. Nutr Res Pract. 2024;18(3):357–371. PMID: 38854476.
n=85 randomized (78 completed); ages 35–60 with photo-aged skin; Pangasius fish skin collagen hydrolysate 1,000 mg/day vs. placebo for 12 weeks; significant improvements in hydration, roughness, and elasticity at 6 and 12 weeks. Fish-derived preparation; not equivalent to Codeage®.
OPEN-LABEL Borumand M, Sibilla S. Daily consumption of the collagen supplement Pure Gold Collagen® reduces visible signs of aging. Clin Interv Aging. 2014;9:2017–2026. PMID: 25342893.
Open-label, no placebo control; marine collagen liquid supplement; reductions in wrinkle depth and improvements in skin hydration over 60 days. Supporting evidence only; interpret cautiously.
SYSTEMATIC REVIEW / META-ANALYSIS de Miranda RB, Weimer P, Rossi RC. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. Int J Dermatol. 2021;60(12):1449–1461. PMID: 33742704.
19 double-blind controlled trials, 1,125 participants (ages 20–70; 95% women); pooled results favored hydrolyzed collagen for hydration, elasticity, and wrinkles.
SYSTEMATIC REVIEW / META-ANALYSIS Pu SY, Huang YL, Pu CM, et al. Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis. Nutrients. 2023;15(9):2080. PMID: 37432180.
26 RCTs, 1,721 participants; statistically significant improvements in hydration and elasticity; subgroup analyses considered collagen source; authors noted study quality variability and called for larger RCTs.
CRITICAL APPRAISAL Myung SK, Park Y. Effects of Collagen Supplements on Skin Aging: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Am J Med. 2025;138(9):1264–1277. PMID: 40324552.
23 RCTs, 1,474 participants; overall pooled results favored collagen, but apparent benefits were not demonstrated in non-industry-funded or high-quality studies when restricted by funding source and study quality. Authors concluded current evidence does not establish collagen supplementation for prevention or treatment of skin aging. Important counterweight to positive pooled findings.

FDA Disclaimer

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. The information provided in this article is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Reviewed by:

Dai Tran, PharmD, MBA, B.S. • View full bio →