UK madeIndependently testedFully disclosed dosesHalal certified

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Skin, hair & nails

Lumen

★★★★★ 4.6 · 204 reviews

For skin, hair and nails, on a timescale that is honest

Marine collagen · 30 sachets · 30 days

1

Free UK delivery over £45. Order today for delivery Tuesday.

Before you start. Contains fish. Not suitable for anyone with a fish allergy, and this is the one product in the range that is not vegan. Give it twelve weeks before you judge it — anything that promises faster is promising, not evidencing.
What it does

Ten grams of marine collagen peptides with vitamin C, zinc and biotin. The collagen trials that found anything ran for twelve weeks — so twelve weeks is what we ask for, not twelve days. Mixes clear into tea, coffee or water with no taste.

Who it is for

Anyone who would rather do one considered thing consistently than three hopeful ones for a fortnight. The things you notice in the mirror are usually the ones nobody else has spotted — this is for taking that seriously without buying the promises that normally come attached to it.

How and when to take it

One sachet daily, stirred into any drink, hot or cold. Timing does not matter. Consistency does.

What twelve weeks actually means

The published collagen trials that reported a measurable change ran for eight to twelve weeks before anyone measured anything. Skin turns over on its own schedule and no supplement changes that. If you start in January, judge it in April — and if nothing has changed by then, stop taking it. We would rather tell you that than sell you a fourth month on hope.

Testing and batch

Batch 24-0412, tested 6 March 2026 by an ISO 17025-accredited laboratory. Actives verified against the label, heavy metals below limits of detection, microbiology pass.

Check the batch on your jar

Dietary and allergens

Halal certified. Gluten free. Dairy free. Contains fish — not suitable for vegans or vegetarians.

What is inside

The whole label.

AmountIngredientWhy it is in there
10 gMarine collagen peptidesHydrolysed, fish-derivedA protein source supplying glycine, proline and hydroxyproline. There is no authorised health claim for collagen in the UK, so we are not going to invent one for it.
80 mgVitamin CAscorbic acidContributes to normal collagen formation for the normal function of skin. This is the claim the evidence actually supports, which is why it is in here.
10 mgZincPicolinateContributes to the maintenance of normal hair, skin and nails.
50 µgBiotinD-biotinContributes to the maintenance of normal hair and normal skin.

Amounts shown per daily serving. Only authorised health claims are made, and none of them are for collagen itself.

Pairs well with

Complete the routine.