Collagen Supplements

Marine vs Bovine vs Multi-Source Collagen

The real difference between collagen products on the shelf comes down to where the collagen is sourced and which collagen types that source provides. Marine collagen is mostly Type I. Bovine gives you Types I and III. Multi-source blends combine several. None is universally "best"; the right one depends on your goal. Here's how they compare.

Bovine collagen

Bovine collagen comes from cattle (usually hide). It's rich in Types I and III, the collagens that dominate skin and connective tissue, making it a well-rounded, widely available, and affordable choice for skin and general support. Bovine collagen is the most common source you'll find in supplements.

Marine collagen

Marine collagen comes from fish (often skin or scales) and is almost entirely Type I — the main collagen in skin. It's prized for skin-focused goals and is a pescatarian-friendly alternative to bovine for people who avoid beef. Its peptides are small and well absorbed. The trade-off: marine collagen is usually pricier and, being fish-derived, isn't suitable for those with a fish allergy.

Multi-source collagen

Multi-source (or "multi-collagen") blends draw from several sources — typically bovine, chicken, fish, and eggshell — to deliver multiple collagen types in one product, commonly Types I, II, III, V, and X. The appeal is breadth: Type I and III for skin, Type II for joint cartilage, and V and X for connective tissue. If your goal is whole-body support rather than one target, a blend covers the most ground.

Does the source change how well it works?

Less than the marketing suggests. Whatever the source, supplements use hydrolyzed peptides, which are absorbed into the bloodstream regardless of origin. [1] A systematic review of collagen trials found benefits for skin elasticity, hydration, and density across studies using different collagen sources and forms. [2] In other words, the source mostly determines which collagen types you get — not whether collagen "works." Choose based on the types you want and any dietary constraints.

Which is right for you?

  • Skin-only goal, no beef: marine collagen (Type I).
  • Skin + general support, budget-friendly: bovine (Types I and III).
  • Whole-body — skin, hair, nails, and joints: a multi-source blend.
  • Plant-based: none of the above — look for a vegan collagen-support formula, since true collagen is always animal-derived.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Frequently asked questions

Not better — different. Marine is concentrated Type I for skin; bovine adds Type III and tends to cost less. Pick based on your goal and diet.
If you want support across skin, nails, and joints, a blend gives you more collagen types in one product. If you only care about skin, a single source can do the job.
Type II is the cartilage-associated collagen, so blends that include chicken-derived Type II (or a dedicated Type II product) are the ones to look at for joint support.

References

  1. Iwai K, Hasegawa T, Taguchi Y (2005). Identification of food-derived collagen peptides in human blood after oral ingestion of gelatin hydrolysates. Journal of Agricultural and Food Chemistry, 53(16), 6531–6536.
  2. Choi F, Sung C, Juhasz M (2019). Oral collagen supplementation: a systematic review of dermatological applications. Journal of Drugs in Dermatology, 18(1), 9–16.
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Multi Collagen Pills (Types I, II, III, V, X)

Multi Collagen Pills (Types I, II, III, V, X)

Want the broadest coverage in one product? Our Multi Collagen Complex combines bovine, chicken, fish, and eggshell sources for five collagen types — Types I, II, III, V, and X.

Shop Multi Collagen Complex