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Hydrolyzed collagen peptides (Types I and III) at a competitive price from Doctor's Best. These are the primary collagen types found in bone, skin, and tendons. At 6g per serving in tablet form, it provides a cost-effective option for those who prefer tablets over powder, though the dose is lower than most powder-based collagen products.
Doctor's Best Collagen scores 70 for delivering Peptan-branded collagen peptides at an excellent price. The value score (80) is the standout metric — at $0.38/serving, this is one of the most affordable collagen options available. Zero hype penalty because Doctor's Best markets conservatively through the science-aware supplement community rather than beauty influencers. Categorized as Bone & Joint (rather than Collagen) because the Types I & III focus and Peptan sourcing align with the joint and bone health evidence more than beauty applications.
Collagen Types I and III are the most abundant in the human body, comprising roughly 90% of total collagen. Type I is the primary structural protein in bones, tendons, and skin. Type III supports the structure of organs and arteries. Clark et al. (2008, Current Medical Research and Opinion) showed 10g/day collagen hydrolysate reduced joint pain in athletes. Schauss et al. (2012) demonstrated collagen peptide supplementation improved knee joint comfort and function. For bone health specifically, Konig et al. (2018, Nutrients) found 5g/day collagen peptides combined with calcium and vitamin D improved bone mineral density in postmenopausal women compared to calcium and vitamin D alone. Doctor's Best uses Peptan collagen (a branded source used in several clinical studies), adding formulation credibility.
| Ingredient | Dose | Verdict |
|---|---|---|
| Hydrolyzed Collagen Peptides Types I & III (Peptan) | 6g | Adequate |
| Vitamin C | 60mg | Adequate |
6g per serving in tablet form is below the 10-15g used in most positive collagen studies. Tablet format means swallowing multiple large pills (6 tablets per serving). Less convenient than powder-based collagen that mixes into beverages. Does not include vitamin C (a collagen synthesis cofactor) — needs to be obtained from diet or separate supplementation. The distinction between collagen types (I, II, III) is marketed heavily but the body hydrolyzes all collagen into amino acids during digestion regardless of type. Tablets have lower surface area than powder, potentially affecting absorption speed.
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