Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)
One scoop lists 11.1 g of hydrolyzed Types I, II and III collagen peptides from bovine and chicken sources, with no other ingredients. That dose is close to the 10 g used in several human hydrolyzed-collagen joint trials, and the active cost is about $0.083 per gram.
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Our Verdict
The transparent one-ingredient formula, trial-scale dose and lowest cost per collagen gram are excellent, but the absence of qualifying finished-product testing keeps it below California Gold Nutrition under the fixed 30% testing weight.
Score Breakdown
Pros & Cons
Pros
- •11.1 g hydrolyzed collagen dose is close to the 10 g used in cited joint trials
- •Includes fully disclosed Types I, II and III from bovine and chicken
- •No other ingredients listed
Cons
- •No USP, NSF or published product-specific COA is shown on the iHerb page
- •Animal sources include both bovine and chicken
Specifications
| Collagen form | Hydrolyzed Types I, II and III peptide complex |
| Source | Bovine and chicken |
| Collagen per serving | 11.1 g |
| Branded ingredient | None |
| Other labeled actives | None; panel also lists 10 g protein and 30 mg sodium |
| Serving size | 1 scoop (about 11 g) |
| Other ingredients | None |
| Testing evidence | Non-GMO LE Certified; no USP, NSF or product-specific COA shown |
Quick Answers
What is the collagen form of the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)?
Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) collagen form: Hydrolyzed Types I, II and III peptide complex.
What is the source of the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)?
Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) source: Bovine and chicken.
What is the collagen per serving of the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)?
Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) collagen per serving: 11.1 g.
What is the branded ingredient of the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)?
Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) branded ingredient: None.
What is the other labeled actives of the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)?
Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) other labeled actives: None; panel also lists 10 g protein and 30 mg sodium.
What is the serving size of the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)?
Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) serving size: 1 scoop (about 11 g).
What is the other ingredients of the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)?
Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) other ingredients: None.
What is the testing evidence of the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g)?
Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) testing evidence: Non-GMO LE Certified; no USP, NSF or product-specific COA shown.
How much does the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) cost?
The Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) lists at $27.75 at iHerb as of August 5, 2026. Prices change often, so the merchant page shows the current figure.
Who is the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) for?
It suits buyers wanting roughly 10 g of peptides per scoop, buyers wanting a powder with no inactive ingredients. It is not the right pick for buyers requiring external finished-product certification, buyers avoiding bovine or chicken sources.
Is the Life Extension, Collagen Peptides for Skin & Joints, 12 oz (343 g) worth buying?
One scoop lists 11.1 g of hydrolyzed Types I, II and III collagen peptides from bovine and chicken sources, with no other ingredients. That dose is close to the 10 g used in several human hydrolyzed-collagen joint trials, and the active cost is about $0.083 per gram. It ranks #4 in our Top 5 Collagen Peptides for Joints. The transparent one-ingredient formula, trial-scale dose and lowest cost per collagen gram are excellent, but the absence of qualifying finished-product testing keeps it below California Gold Nutrition under the fixed 30% testing weight.
Who Is This For?
Best For
- Buyers wanting roughly 10 g of peptides per scoop
- Buyers wanting a powder with no inactive ingredients
Not For
- Buyers requiring external finished-product certification
- Buyers avoiding bovine or chicken sources
Where to Buy
Appears In
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Customer Reviews
Alternatives to Consider
BUBS Naturals, Collagen Peptides, Unflavored, 10 oz (283 g)
BUBS Naturals
The Supplement Facts panel lists 20 g of hydrolyzed bovine Types I and III collagen peptides per scoop, with about 14 servings and no separate inactive ingredients. The exact 20 g serving is present in NSF’s current Certified for Sport listing, and the active cost is about $0.096 per gram.
NOW Foods, UC-II Joint Health with Undenatured Type II Collagen, 60 Capsules
NOW Foods
One capsule supplies 40 mg of UC-II standardized chicken cartilage, providing 10 mg total collagen including undenatured Type II, plus 250 mg Aquamin and 80 mg calcium. The 40 mg UC-II serving matches the dose used in cited human trials and costs about $0.0098 per mg of UC-II.
California Gold Nutrition, Hydrolyzed Collagen Peptides Type I & III with Vitamin C, 250 Tablets
California Gold Nutrition
Each three-tablet serving lists 3 g of hydrolyzed bovine collagen and 30 mg vitamin C; the directions call for two servings daily, or 6 g collagen and six tablets. The page links an iTested product certificate, and the active cost is about $0.088 per gram.
Jigsaw Health, Collagen Boost, Unflavored, 21 oz (595 g)
Jigsaw Health
The label provides 17.5 g of hydrolyzed bovine collagen in a complex naming Fortigel, Fortibone and Verisol, plus 80 mg hyaluronic acid. It does not disclose the grams of each branded peptide, and its active cost is about $0.133 per gram.