Supplement
Collagen for women
Collagen is an animal protein sold as hydrolysed peptides, usually from fish (marine) or cattle (bovine). It carries no EFSA-authorised health claim of its own, so products cannot legally promise firmer skin; where a claim is allowed it usually rests on added vitamin C, which contributes to normal collagen formation. Read the source, the amount per serving and the claims carefully.
What it does
Collagen is the most abundant protein in skin, bone and connective tissue. The important point for buyers:
- Collagen itself carries no authorised EFSA health claim, so look for products where the supporting nutrient does the work; for example vitamin C contributes to normal collagen formation for the normal function of skin.
Any claim on a label can be checked against the GB nutrition and health claims register.
Who it is for
Collagen is popular with women through perimenopause, menopause and the senior years, often around skin and joints. It is not suitable for vegans, and not all products are tested for pregnancy or breastfeeding, so check first.
What to look for when buying
- Check the protein source: most are bovine or marine (fish) hydrolysed collagen peptides; marine suits pescatarians, neither suits vegans.
- Look for the collagen amount per serving on the label and whether vitamin C is included, since vitamin C contributes to normal collagen formation.
- Be wary of "anti-ageing" or "skin-firming" promises; these go beyond what the evidence and UK advertising rules allow.
- If you are pregnant, breastfeeding or have an allergy to fish or beef, check the source and speak to your GP or pharmacist.
Named UK brands to compare
These are real UK collagen products across marine and bovine sources. Where our own product appears, it's labelled and sold directly by us. Links to other sellers may earn us a commission, which does not affect how we grade the evidence.
For a ranked head-to-head, see our roundup of the best collagen in the UK. If you are unsure which type to buy, our guide to collagen types I, II and III explained covers where each is found and which supplements tend to contain it.
Check it yourself
Collagen products are among the most likely to use a proprietary blend, which hides how much of each ingredient you are getting. Our proprietary blend decoder explains how to read one, and are you overpaying converts a tub price into a cost per effective dose.
Frequently asked questions
Does collagen actually work?
Not in any way a label is allowed to promise. What it does, above, explains why the permitted claim belongs to vitamin C rather than to collagen.
What is the difference between marine and bovine collagen?
Marine collagen comes from fish and suits pescatarians; bovine collagen comes from cattle. Neither is suitable for vegans, since collagen is an animal protein. Choice usually comes down to dietary preference and any allergies rather than a proven difference in effect.
Is collagen safe in pregnancy?
Not every collagen product is tested for pregnancy or breastfeeding, so ask your GP or pharmacist first, as the buying checklist above says.
When should I take collagen?
There is no evidence-based "best time". Consistency matters more than timing for any supplement.
Does the NHS recommend collagen?
Collagen does not feature in NHS supplement advice, and the NHS position is that most people get the nutrients they need from a varied, balanced diet. That does not make collagen unsafe for most people, but the marketing often runs ahead of the evidence.
This is information, not medical advice, and is not a substitute for a registered clinician. Always read product labels and speak to your GP or pharmacist before starting a supplement.
We sell this in our store
Grass-Fed Hydrolyzed Collagen Peptides
Her Vitals' own hydrolysed collagen, priced and described as a supplement, not a treatment.
Sold by us directly from our own Shopify store, disclosed here as our own product like any other. This is a direct sale by us. It does not win our roundups or calculators automatically. Check our price against any other product with the cost-per-effective-dose calculator.
Editor, Her Vitals
Oliver leads Her Vitals's editorial coverage of women's life-stage health and supplements. He curates and reviews existing branded products across trying to conceive, pregnancy, postnatal, perimenopause, menopause and the senior years, weighing what the evidence supports against guidance from bodies such as EFSA, the NHS and NICE, and is clear that the content is information rather than medical advice.
Last updated: