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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 vs Vital Proteins: marine collagen comparison
AttributeBare BiologyVital Proteins
OriginUK independent (Hampshire)US, global brand
Founded20122013
SourceWild-caught North AtlanticWild-caught (multiple regions)
TypeType I, hydrolysed marineType I, hydrolysed marine
Dose per serving10g11g
kDa2 kDa3 kDa
Third-party testingYes, with audit chainYes
UK distributionDirect + select premium retailersCult Beauty, LookFantastic, Amazon UK, Boots
Typical 28-day pouch price£35£35
Format rangePowderPowder, capsules, beauty collagen, RTD
View as plain-text Markdown 
### Bare Biology vs Vital Proteins: marine collagen comparison

| Attribute | 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 |

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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.

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Reviewed by Oliver Mackman, editorial director · last reviewed 2026-08-11T12:00:00.000Z
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