Marine Collagen vs Bovine Collagen

April 17, 2026

Marine Collagen vs Bovine Collagen: Which Is Better in 2026?

If you're choosing a collagen supplement, you've likely come across two main types: marine collagen and bovine collagen. But which one is actually better?

In this guide, we break down the key differences, benefits, and which type of collagen is best for your goals.

What Is Collagen?

Collagen is the most abundant protein in your body. It supports:

Skin elasticity
Joint health
Hair and nail growth
Gut health

As we age, collagen production declines, which is why many people turn to premium collagen peptides. New to collagen? Start with What Are Collagen Peptides?

What Is Marine Collagen?

Marine collagen is sourced from fish and contains primarily Type I collagen, the most abundant collagen type in the human body.

Key benefits of marine collagen:

High absorption rate
Supports skin hydration and elasticity
Ideal for anti-aging

Because of its smaller peptide size, marine collagen peptides are easier for your body to absorb. Our Deepsea PRO+ premium marine collagen delivers 10,000mg per serve from wild-caught North Atlantic cod.

What Is Bovine Collagen?

Bovine collagen is derived from cows and contains Type I and Type III collagen.

Key benefits of bovine collagen:

Supports joints and bones
More affordable
Widely available

Looking for a grass-fed option? Glowberry collagen peptides combine 8,000mg of grass-fed collagen per serve with vitamin C and hyaluronic acid, in a natural strawberry flavour.

Marine Collagen vs Bovine Collagen: Key Differences

Feature	Marine Collagen	Bovine Collagen
Source	Fish	Cow
Collagen Type	Type I	Type I & III
Absorption	Higher	Moderate
Best For	Skin, anti-aging	Joints, overall health

Which Collagen Is Better?

Choose marine collagen if you want:

Better skin results
Faster absorption
Anti-aging benefits

Choose bovine collagen if you want:

Joint support
General health benefits
Lower cost

Why Absorption Matters

The effectiveness of collagen depends on how well your body absorbs it.
Hydrolysed collagen peptides, especially from marine sources, are broken down into smaller molecules, making them easier to use.

Final Verdict

Both types of collagen have benefits, but marine collagen is often considered superior for skin health and absorption, while bovine collagen is better for joint support.

FAQs

Is marine collagen better than bovine collagen?

Marine collagen is typically better absorbed and more beneficial for skin health.

Can you take both?

Yes, some people combine both for full-spectrum benefits. Our Premium Duo bundle includes Deepsea PRO+ marine collagen and Glowberry grass-fed collagen peptides at a bundle price.