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Collagen peptides supplements, compared

7 products we’ve reviewed list collagen peptides as a key ingredient. Here’s what it does, what the research uses — and how much each product actually contains.

What it is

Hydrolyzed collagen, usually from bovine hide or fish skin. Research on skin elasticity and joint comfort is promising but mixed, and many trials are industry-funded.

What the research uses

Doses in the products below are listed side by side; see our collagen buying guide for what studies used.

Educational information, not medical advice. Talk to a healthcare professional before starting a supplement, especially if you are pregnant, nursing or take medication.

Every product, dose by dose

ProductCollagen peptides per servingFormScore
Grass Fed Collagen Peptides
Garden of LifeGrass Fed Collagen Peptides
NSF Contents CertifiedCertified Gluten-Free
20 gCollagen Peptides (from Bovine Hide)Powder8.2
Collagen Peptides (Unflavored)
Vital ProteinsCollagen Peptides (Unflavored)
NSF Certified for SportcGMP facility
20 gCollagen peptides (from bovine hide)Powder8.1
Collagen Peptides
Sports ResearchCollagen Peptides
Certified Gluten-FreeThird-party testedcGMP facility
11 gHydrolyzed bovine collagen peptidesPowder8.0
Grass Fed Collagen Peptides (Unflavored)
OrgainGrass Fed Collagen Peptides (Unflavored)		20 gCollagen peptides (bovine)Powder7.9
Hair Growth Supplement
ViviscalHair Growth Supplement		1072 mgAminoMar marine complex (collagen type II, oyster extract powder)Tablet7.0
Multi Collagen Protein
Ancient NutritionMulti Collagen Protein
cGMP facility
10 gMulti Collagen Complex (proprietary blend)Powder7.0
Coffee+ Mushroom Coffee (Mild Roast)
Everyday DoseCoffee+ Mushroom Coffee (Mild Roast)		4 gHydrolyzed bovine collagen peptidesPowder6.0

Amounts are per serving as printed on each label. “Not disclosed” usually means the ingredient sits inside a proprietary blend.

Questions people ask

How much collagen peptides do studies use?
Doses in the products below are listed side by side; see our collagen buying guide for what studies used.
Which collagen peptides supplement scores highest?
In our reviews, Garden of Life Grass Fed Collagen Peptides scores highest at 8.2/10, followed by Vital Proteins Collagen Peptides (Unflavored) (8.1) and Sports Research Collagen Peptides (8.0). Scores weigh efficacy, quality, value, experience and transparency — not just the dose.
How much collagen peptides is in these products?
It varies by product and serving size — for example Garden of Life Grass Fed Collagen Peptides (20 g), Vital Proteins Collagen Peptides (Unflavored) (20 g), Sports Research Collagen Peptides (11 g). The table above lists the amount per serving for every product we've reviewed.

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