Marine or bovine collagen for rugby players?

By Tom Francis·Updated 2026-09-03·3 sources·Editorial policy

The claim position is identical

Before any comparison, the thing that does not differ. Collagen has no authorised health claim in the UK in any form, from any source. Not marine, not bovine, not porcine, not chicken. No joint claim, no tendon claim, no skin claim.

That means the marine versus bovine debate cannot be settled on outcomes, because no outcome claim exists for either. It is settled on source, allergens, peptide size and price, which is a narrower and more honest set of criteria than the category usually offers.

Source and allergens

Marine collagen is derived from fish, usually the skin and scales. Bovine collagen comes from cattle hide and bone. Neither is vegan or vegetarian.

For a rugby squad the practical points are that marine is unsuitable for anyone with a fish allergy, and bovine is unsuitable for anyone avoiding beef products on religious or personal grounds. Futuro Labs Marine Collagen is fish derived and states it, which matters because the word collagen alone gives no clue to the source.

Peptide size, and what it is worth

Marine collagen peptides are generally smaller than bovine ones, and this is the point the marine category leans on hardest.

The reasoning is that smaller peptides are absorbed more readily. There is something to it and it is a modest difference rather than a decisive one, and no authorised claim rests on it. A player choosing marine on absorption grounds is making a defensible choice on thin evidence rather than a wrong one, and should know which of those they are doing.

Type 1 and type 3

Type 1 dominates tendon, ligament, skin and bone, which is the tissue a rugby player is thinking about. Marine collagen is essentially all type 1. Bovine carries type 1 with some type 3, which is associated with skin and blood vessels.

Type 2 is the one associated with cartilage and it comes from chicken sternum rather than from either of these. A player specifically interested in cartilage is looking at a different product entirely, and it is worth knowing that neither marine nor bovine is it.

The nutrient that actually carries the claim

Whichever source a player picks, the ingredient doing the regulated work is vitamin C. It contributes to normal collagen formation for the normal function of cartilage, bones, skin, gums, teeth and blood vessels, at a serving providing at least 15 percent of its reference value.

Futuro Labs Marine Collagen provides 12mg of vitamin C at exactly 15 percent NRV alongside 1200mg of type 1 marine collagen and 1.5mg of zinc, for 28p a day. Because the vitamin C sits exactly at the threshold, the claim only holds at the full two capsule serving. Many collagen products, marine and bovine alike, contain no vitamin C at all and therefore cannot carry the claim in any form.

Price, and how to compare it

Bovine is generally cheaper per gram of collagen because the raw material is cheaper. That matters more for powders, where doses run to five or ten grams, than for capsules.

The comparison that works is cost per gram of collagen alongside cost per day, because a capsule product at 1200mg and a powder at 10g are different purchases. Futuro Labs Marine Collagen is 28p a day for 1200mg, which is the dearest daily cost in the Futuro Labs range and among the cheaper capsule collagens on a cost per day basis.

What the amino acid profile actually looks like

Both are dominated by glycine, proline and hydroxyproline, which is what makes collagen collagen rather than an ordinary protein. Hydroxyproline in particular is close to unique to it and is the marker used to track collagen in research.

The differences between marine and bovine sit at the margins of that profile rather than in its shape. Neither is a complete protein: both are low in tryptophan and modest in the essential amino acids, which is why collagen does not substitute for a protein source even though it is technically protein.

For a rugby player that matters practically. A 1200mg serving of Futuro Labs Marine Collagen is not a meaningful contribution to a daily protein target and is not offered as one. It is a collagen intake alongside the vitamin C that carries the authorised claim, at 28p a day.

Where to go next

• Futuro Labs Marine Collagen: the full labelType, source, vitamin C, zinc and cost per day.
• Collagen powder or capsules for rugby players?The format question, and the dose gap between capsules and the research protocols.
• Marine collagen for rugby playersScrum loading, the research and the claim position in full.

Questions players ask

Sources

• EFSA register of nutrition and health claims
• Food supplements guidance, gov.uk
• Vitamin C enriched gelatin supplementation before intermittent activity augments collagen synthesis