Douglas Labs

Hydrolyzed Collagen+, 140 g

Douglas Labs Hydrolyzed Collagen+ delivers collagen in a hydrolyzed peptide form, broken down for easier absorption compared to intact collagen proteins.

4.6 across 8 sources

May be a fit for

  • Adults seeking hydrolyzed collagen to support skin elasticity and firmness
  • Those supporting joint comfort and connective tissue integrity with collagen peptides
  • Individuals maintaining bone matrix density through hydrolyzed collagen supplementation
$56.99

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PowderFormat
140 gPack size
The essentials

A closer look.

Douglas Labs Hydrolyzed Collagen+ delivers collagen in a hydrolyzed peptide form, broken down for easier absorption compared to intact collagen proteins. Formulated to support connective tissue integrity, joint comfort, and skin structure, it's well-suited for active adults and those looking to maintain healthy aging from the inside out.

Why It's Worth Considering: Hydrolyzed collagen peptides are recognized for their bioavailability advantage, and Douglas Labs, a long-standing practitioner-grade brand, pairs the collagen base with complementary co-factors in their "+" formulation.

The Apotheca perspective

50+ signals. A clearer standard.

Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.

87OUT OF 100
Manufacturing9090
Lab verification7373
Transparency6363

Our score is an editorial assessment, not a product certification or a guarantee of results.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Adults seeking hydrolyzed collagen to support skin elasticity and firmness
  • Those supporting joint comfort and connective tissue integrity with collagen peptides
  • Individuals maintaining bone matrix density through hydrolyzed collagen supplementation
  • Practitioner protocols requiring a bioavailable collagen peptide formula for tissue recovery support

Considerations

  • Fish/shellfish allergy (if marine collagen)
  • Histamine intolerance (some collagen products trigger histamine)
  • Kidney disease on protein-restricted diet
  • Alpha-gal syndrome (if bovine collagen)
Compatibility & interactions

Works Well With

Vitamin C
Essential for collagen synthesis
Omega-3
Both support skin and joint health

Take Separately From

No significant interactions identified. Always consult your healthcare provider.

What to expect over time
Week 2–4

Nail & Hair

Reduced nail brittleness, less breakage

Week 4–8

Skin Hydration

Improved skin moisture and elasticity

Month 2–3

Joint Comfort

Reduced joint stiffness and pain

Month 3–6

Structural Repair

Measurable collagen density improvement

Based on hydrolyzed collagen peptide studies at 10-15g/day. Consistent daily use is key.

Compare the options

Compare Collagen Types

Source and type matter

FeatureType I/III (bovine)Type II (chicken)Marine (fish)Multi-Collagen
Best ForSkin, hair, nails, gutJoints, cartilageSkin (smallest peptides)All-around
SourceGrass-fed cattleChicken sternumWild-caught fishMultiple sources
AbsorptionGoodGoodExcellent (smallest MW)Good
Peptide Size3-6 kDa10-30 kDa1-3 kDaVaries
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From across the web

Real reviews. A wider perspective.

Customer reviews, social conversations and expert insights, with every source in view.

4.6/5Aggregate source rating
Marketplaces & brand websites
Amazon, iHerb and direct brand reviews
Social & community
Reddit, X, Instagram and TikTok
Video & creators
YouTube and creator perspectives

Coverage varies by product and brand.

73192 product and brand ratings and mentions across 8 sources.

Explore the source sentiment summary

Mixed consensus: enthusiastic long-term users report skin and hair gains, but many Reddit users see no change after months, with widespread skepticism.

This summary includes broader brand discussion. Individual experiences are not evidence of product effectiveness.

Good to know

A few useful answers.

Research & further reading

More category questions

Does collagen actually work or is it just hype?

Yes — multiple randomized controlled trials show oral collagen peptides (10-15g/day) significantly improve skin elasticity (+15-20%), reduce wrinkles, strengthen nails, and reduce joint pain over 8-12 weeks. The key is hydrolyzed peptides (not gelatin) which are small enough to be absorbed and signal fibroblasts to produce new collagen.

When is the best time to take collagen?

Collagen can be taken anytime. Many people add it to morning coffee or smoothies. For joint benefits, some practitioners recommend taking on an empty stomach. For skin, consistency matters more than timing. Take with vitamin C for optimal synthesis.

How much collagen should I take daily?

For skin: 5-10g/day (Verisol studies). For joints: 10-15g/day. For gut healing: 15-20g/day. Most collagen powders provide 10-20g per scoop. Studies consistently show 10g/day as the minimum effective dose for measurable skin improvement.

What is the difference between collagen and gelatin?

Both are collagen protein, but hydrolyzed collagen peptides are broken into smaller fragments (1-6 kDa) that dissolve in cold water and are absorbed more efficiently. Gelatin is partially hydrolyzed — it forms a gel, doesn't dissolve in cold liquids, and has lower bioavailability. For supplementation, always choose hydrolyzed collagen peptides.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

Douglas Labs - Hydrolyzed Collagen+, 140 g Douglas Labs

Apotheca quality score

87/100

The overall score combines several sources of information. The individual dimensions below show where those signals are stronger or more limited; they are not a simple average of the overall score.

Manufacturing9090
Lab verification7373
Review consensus100.0100.0
Practitioner signals47.047.0
Community signals5656
Transparency6363
See available brand signals
✓
Third-party lab tested (heavy metals, contaminants)Pass
✓
Good manufacturing practices verifiedStandard
✓
Quality ingredients with verified sourcingGood
✓
Clinical evidence available for primary ingredientsAvailable
✓
Clean FDA regulatory recordNo issues
✓
Authorized distribution channel verifiedDirect

Our score is an editorial assessment, not a product certification or a guarantee of results.

How our scoring works ↗