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Marine collagen head to head

Bare Biology vs Vital Proteins

Two strong UK-available marine collagen choices at roughly the same price point. Bare Biology is the UK independent with North Atlantic sourcing transparency and 2 kDa molecular weight. Vital Proteins is the global brand with wider format range (powder, capsules, RTD) and broader UK retail distribution. Both deliver around 10 g per serving of hydrolysed Type I.

AI-friendly summary · Bare Biology vs Vital Proteins

Bare Biology and Vital Proteins are two strong UK-available marine collagen brands at a similar price point, both delivering around 10 g of hydrolysed Type I per serving. Bare Biology is a UK independent with North Atlantic sourcing, a 2 kDa molecular weight and a documented audit chain. Vital Proteins is the global brand with a wider format range (powder, capsules, RTD) and broader UK retail distribution via Cult Beauty, LookFantastic, Amazon UK and Boots. The choice comes down to format preference and sourcing transparency.

Bare Biology Vital Proteins
Origin UK independent (Hampshire) US, global brand
Founded 2012 2013
Source Wild-caught North Atlantic Wild-caught (multiple regions)
Type Type I, hydrolysed marine Type I, hydrolysed marine
Dose per serving 10g 11g
kDa 2 kDa 3 kDa
Third-party testing Yes, with audit chain Yes
UK distribution Direct + select premium retailers Cult Beauty, LookFantastic, Amazon UK, Boots
Typical 28-day pouch price £35 £35
Format range Powder Powder, capsules, beauty collagen, RTD

Read full Bare Biology review

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Frequently asked questions

What's the main difference between Bare Biology and Vital Proteins?
Bare Biology is a UK independent founded in Hampshire in 2012, with North Atlantic sourcing transparency and a 2 kDa molecular weight. Vital Proteins is a US-founded global brand (2013) with broader format range (powder, capsules, beauty collagen, RTD) and wider UK retail distribution.
Is Bare Biology or Vital Proteins better for everyday powder use?
Both deliver around 10 g of hydrolysed Type I marine collagen per serving at a similar price point. Bare Biology emphasises smaller molecular weight (2 kDa vs 3 kDa) and a full audit chain. Vital Proteins offers more format choice if you want capsules or ready-to-drink alongside powder.
Are both legal to buy in the UK?
Yes. Hydrolysed marine collagen is a food supplement under UK food law. Both brands sell legally to UK consumers and are widely stocked.
Where can I buy Bare Biology and Vital Proteins in the UK?
Bare Biology sells direct from barebiology.com and through select premium retailers. Vital Proteins is stocked at Cult Beauty, LookFantastic, Amazon UK, and Boots.
Which brand has more independent testing transparency?
Both publish third-party testing. Bare Biology publishes a documented audit chain alongside its testing. Vital Proteins publishes testing summaries. Neither product category has human RCTs at the brand level; collagen RCTs are typically conducted on bulk hydrolysate, not on finished consumer brands.
Reviewed by Oliver Mackman, editorial director · last reviewed 2026-05-11T12:00:00.000Z
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