Collagen

Also known as: collagen peptides, hydrolyzed collagen, type I collagen, type II collagen, type III collagen, recombinant collagen, collagen hydrolysate

Evidence under review. — Not yet rated

Structural protein studied for skin aging and tissue repair; oral supplement evidence not covered in provided research.

What it does

Collagen is the most abundant structural protein in the human body, forming the scaffolding of skin, bone, tendons, and connective tissue. The provided research examined injectable recombinant...
Evidence quality

Evidence base hasn't been formally rated yet. See research below.
Clinical dose

No established dose from provided studies
Found in

Porefavor, 310 Hydrate Variety Box, Vital Hair, Skin and Nails (30's) and 17 more

See full breakdown ↓ Methodology →

What the Science Says

Collagen is the most abundant structural protein in the human body, forming the scaffolding of skin, bone, tendons, and connective tissue. The provided research examined injectable recombinant type III humanized collagen (RhCol-III) delivered directly into the skin, which showed improvements in skin satisfaction, fine lines, and firmness over 12 weeks in a clinical trial. Other papers in this dataset reference collagen only as a biological marker or tissue component — not as an oral supplement.

What It Doesn't Do

The provided studies do not support oral collagen supplements for joint pain, muscle recovery, or gut health. No evidence here that drinking collagen powder rebuilds your skin or joints. Topical collagen creams cannot penetrate deep enough to replace lost collagen — the research used injections, not creams. No data supports collagen supplements for weight loss or immune function.

Evidence-Based Benefits

Injectable recombinant type III collagen improved skin satisfaction, fine lines, and firmness over 12 weeks.

Weak Evidence

Effective at: 2 mg/mL intradermal injection

Supporting studies (click to view on PubMed):

PMID 42087486

Collagen fiber structure in tumors can help predict recurrence risk in triple-negative breast cancer.

Weak Evidence

Effective at: No established dose

Supporting studies (click to view on PubMed):

PMID 42182220

Absorption & Bioavailability

Unknown for oral forms based on provided studies. Injectable recombinant collagen (RhCol-III) was used in the one clinical trial, bypassing absorption entirely.

Red Flags to Watch For

Most collagen supplement marketing is based on oral dosing research not represented in these provided papers — claims may not be backed by the evidence cited
Topical collagen products cannot replicate the effects seen in studies using intradermal injections
Products claiming collagen 'rebuilds joints' or 'heals gut lining' are not supported by the data reviewed here
Collagen content in supplements is not standardized — peptide type, molecular weight, and source vary widely across products

Products Containing Collagen

See how Collagen is used in these analyzed products:

Overhyped

Everyday Dose Mushroom Coffee+ Single Packet

No established dose from provided studies

Is Collagen safe?

Most collagen supplement marketing is based on oral dosing research not represented in these provided papers — claims may not be backed by the evidence cited

What doesn't Collagen do?

The provided studies do not support oral collagen supplements for joint pain, muscle recovery, or gut health.

Research Sources

PubMed
NIH DSLD

This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25