Head to head · Collagen
Orgain Grass Fed Collagen Peptides (Unflavored) vs Sports Research Collagen Peptides
Orgain and Sports Research finish level in our scoring (7.9 vs 8.0), so the right pick depends on what you value most — Orgain is stronger on value, Sports Research on quality & purity, experience and transparency.
Updated September 2026 from our full reviews · How we score
The budget pick: 20 g of grass-fed bovine collagen per serving for roughly a dollar on Amazon, with a full amino acid profile, though it lacks a named third-party certification.
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Single-ingredient bovine collagen with a full amino acid profile on the label, NSF Certified Gluten-Free; 11 g scoops make the dose flexible, and it is a TikTok Shop staple.
We may earn a commission when you buy through these links — it never affects our scores. How we make money
We may earn a commission when you buy through these links — it never affects our scores. How we make money
The short answer
Choose Orgain if…
- Budget-conscious collagen users
- People who want a single-ingredient powder with a published amino acid profile
- Dairy-, gluten- and soy-avoiders
- You care most about value
Choose Sports Research if…
- People who want a single-ingredient collagen with full label detail
- Adjustable dosing, from 11 g to 22 g
- Daily use in hot coffee or tea
- You care most about quality & purity, experience, transparency
Side by side
| Grass Fed Collagen Peptides (Unflavored) | Collagen Peptides | |
|---|---|---|
| Our score | 7.9 / 10 | 8.0 / 10 |
| Efficacy (30%) | 7.2 | 7.0 |
| Quality & Purity (25%) | 7.3 | 8.3 |
| Value (20%) | 9.2 | 8.3 |
| Experience (15%) | 7.8 | 8.4 |
| Transparency (10%) | 8.8 | 9.2 |
| Form | Powder | Powder |
| Serving | 2 scoops (20 g)22 servings per container | 1 scoop (11 g)41 servings per container |
| Testing & certifications | None verified | Certified Gluten-FreeThird-party testedcGMP facility |
| Dietary | Gluten-free, Dairy-free, Soy-free, Non-GMO, Paleo, Keto-friendly | Gluten-free, Dairy-free, Keto-friendly, Non-GMO |
| Key ingredients |
|
|
| Flavors | 2 (Unflavored, Chocolate) | 4 (Unflavored, Vanilla, Dark Chocolate…) |
| Creator video reviews | 4 | 3 |
Pros and cons
Grass Fed Collagen Peptides (Unflavored)
- About $0.48 per 10 g collagen at Amazon pricing
- Single ingredient; 20 g collagen per serving
- Typical amino acid profile printed on the label
- Gluten free; no dairy or soy ingredients; paleo friendly
- 4.5 stars from ~40,000 buyer ratings
- No NSF, USP or Informed certification found
- Mixed feedback on taste and cold-water dissolving
- A serving is two scoops, which is easy to misread
- Some buyers report nausea
Collagen Peptides
- Single ingredient: hydrolyzed bovine collagen peptides
- Typical amino acid profile printed on the label
- NSF Certified Gluten-Free; IGEN non-GMO; cGMP compliant
- About $0.73 per 10 g collagen at Amazon pricing
- 4.6 stars from 130,000+ buyer ratings; 20,000+ sold on TikTok Shop
- 11 g scoops mean two scoops for a 20 g dose
- Label warns it clumps in cold liquids
- No sport-specific certification
- Informed Choice claim on some retail copy could not be verified
Our verdicts
Grass Fed Collagen Peptides (Unflavored)
Hard to beat on price for a plain 20 g collagen, and more transparent than most thanks to the amino acid profile. The trade-off is the absence of third-party certification, so athletes and buyers who prioritize verified testing should pay more for Vital Proteins or Garden of Life.
Full review
Collagen Peptides
A clean, honestly labeled collagen with a published amino acid profile, reasonable pricing and an enormous review base. It lacks a sport certification, and the small 11 g scoop means most people will need two for a typical 20 g dose, but for everyday collagen use it is one of the easiest recommendations.
Full review
What creators say
Questions people ask
Is Orgain better than Sports Research?
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