Early days, but I will say one thing: I definitely feel more alert. So we'll see what happens with my complexion!!
Cogniskin Marine Collagen + Vitamin C Supplement for Skin and Mind
- 30days in every pack
- £1.17a day
- UKmade
- 30day money-back guarantee
What it does
Why people keep taking it.
Skin and collagen
Vitamin C contributes to normal collagen formation for the normal function of skin.
Cell protection
Vitamin E contributes to the protection of cells from oxidative stress.
Eight active ingredients
Marine collagen, bamboo, hyaluronic acid, Lion's Mane, Alpha-GPC, L-theanine and two vitamins.
What's inside
Everything it needs. Nothing it doesn't.
- Marine Collagen (Type I) – Supports skin structure, firmness, and elasticity
- Bamboo Extract – Natural silica source to strengthen skin, hair, and nails
- Vitamin C – Aids collagen formation and protects against oxidative stress
- Vitamin E – Antioxidant support for overall skin health
- Sodium Hyaluronate – Helps retain skin moisture and smoothness
- Alpha-GPC – Supports cognitive function and mental clarity
- Lion’s Mane Extract – Traditionally used to support focus and nerve health
- L-Theanine – Promotes calm focus without drowsiness or jitters
- 60 Capsules / 1 Month Supply
Key actives
Doses you can actually check.
Every active listed with the amount you get per serving - not a proprietary blend.
Marine Collagen (Type I)
Type I collagen sourced from fish, included in the daily capsules.
Vitamin C
Contributes to normal collagen formation for the normal function of skin.
Vitamin E
Contributes to the protection of cells from oxidative stress.
Sodium Hyaluronate
The sodium salt of hyaluronic acid, included in the two-capsule serving.
Bamboo Extract
75% SILICA
Standardised to a minimum of 75% silica.
Lion's Mane Extract
4:1
A 4:1 mushroom extract standardised to 30% polysaccharides.
The full ingredient list is just above.
The Clean Nutrition Standard
Made properly, or not at all.
Every NUYU formula is made in the UK to GMP and ISO standards - with no artificial fillers, ever.
GMP manufactured
Produced under Good Manufacturing Practice controls.
ISO certified
Made in an ISO-certified facility.
Made in the UK
Formulated and manufactured on UK soil.
No artificial fillers
Every ingredient is there to do a job.
How to use it
Simple to start. Easy to keep.
-
Take 2 capsules daily, preferably with food.
Do not exceed the recommended daily dose.
What to expect
Supplements work on their own clock.
An honest picture of the first three months, so you know what you're signing up for.
-
Week 1
Take two capsules with food each day. Morning, with breakfast, tends to work well.
-
Week 4
The pot is finished after a month. Order the next one to stay consistent.
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Week 12
Three months of daily capsules. Keep the same time each day so it sticks.
Individual experience varies. Food supplements are not a substitute for a varied and balanced diet.
Complete your stack
Works well alongside
Questions
Everything else you might be wondering.
Q: How do I take it?
A: Two capsules a day with water. Morning or with food - whatever suits your rhythm.
Q: When will I see results?
A: Focus and clarity might kick in within a couple of weeks. Skin takes longer - give it 4–8 weeks for visible glow.
Q: Is it vegan or vegetarian?
A: No - it contains Marine Collagen from fish.
Q: Can I take it with other NUYU products?
A: Yes. Cogniskin™ stacks well with anything from your Vibe Check - especially Glow Getter or Head First picks.
Q: Any allergens?
A: Contains fish. Made in a facility that also handles nuts, dairy, soy and gluten.
Q: Is it safe for daily use?
A: Yep - but if you’re pregnant, breastfeeding or on medication, speak to a healthcare pro first.
No-risk trial
Try it for 30 days. If it's not for you, we'll refund you.
No forms, no interrogation. Email us within 30 days and we'll sort it.
- 30-day money-back guarantee
- Free UK delivery over £25
- Skip, pause or cancel a subscription anytime
Subscriptions can be skipped, paused or cancelled at any time.
🎧 Audio Magnesium™
Every NUYU product comes with a soundtrack
Scan the QR code on your pack and press play in the free Audio Magnesium app. Soundscapes, breathwork and guided sessions made to go with your routine, so taking it becomes a moment rather than a chore.
Get the free appExpert feedback
Expert nutritionists we work with.
Mays Al-Ali
BANT Registered Nutritionist, MSc, BSc (Hons) Nutritional Therapist, PgDip CNM, ANP, CNHC
Jo Kelly
Registered Nutritional Therapist & Health Coach, BSc(Hons), dipION, mBANT, mCNHC
Claire Thomas
Registered Nutritional Therapist (BANT, CNHC), BN (Hons), PGCertEd, PGDip, NLP Practitioner & Phlebotomist
Hannah Raynor
Registered Nutritional Therapy Practitioner, BSc (Hons) Nutritional Therapy — Institute for Optimum Nutrition (ION)
