Beauty
Bone Health
Brain Health
Energy
Eye Health
Gut Health
Hair
Hormonal Health
Heart Health
Immunity
Joints
Menopause
Pregnancy
Kids
Sleep
Stress & Mood
4.5 out of 5
1,000+ verified reviews
THE SCIENCE OF BIOTIN COMPLEX
Before You Cancel,
Check What's Actually Changed.
If you're here, you've probably been taking Biotin Complex for a few months and you're not sure it's doing anything. That's a fair question, and we're not going to tell you to just keep waiting.
This page shows you why changes in hair and nails are so hard to see in the mirror, how to check properly, and what to do if it isn't working for you.
4.5★ from 1,000+ verified reviews · 87% would recommend · One capsule a day · Made in the UK
As featured in
the science
Biotin Complex Is Built On Ingredients You Can Check
Every active is on the label at a dose you can read for yourself. Every benefit we state is an authorised GB and EU nutrient claim, at a dose that meets the legal conditions for making it. Biotin's role in normal hair and skin isn't our opinion. It was assessed by scientists and authorised by regulators.
And where an ingredient doesn't qualify for a claim, which is true of the small amount of calcium in each capsule, we don't make one.
Nothing on this page is here to impress you. It's here so you can decide whether it's working for you.
See the evidence
one formula
5 Ingredients.
Six Areas Of Support.
Most biotin supplements are biotin and nothing else. Biotin Complex pairs 10,000µg of biotin with vitamin C, zinc and selenium, because hair, skin and nails are built from more than one nutrient.
supports:
Hair
Skin
Nails
Cell Protection
Energy
Immunity
How we know what we know
Our Evidence, Layer By Layer
Not all evidence is equal, so we don't pretend it is. Here's every layer behind Biotin Complex, what it shows, and what we haven't done yet.
1
Authorised Nutrient Claims
Every benefit on this page is an authorised GB and EU nutrient claim, at a dose that meets the conditions of use. No grey areas, all of it publicly checkable.
GB / EU register
See the claims ↓
2
The Biology Of Growth
Peer-reviewed measurements of how hair and nails grow, so you can see why changes are so easy to miss.
Peer-reviewed
See the science ↓
3
Real-World Evidence
1,000+ verified customer reviews, read and coded by theme, so you can see what people bring up most, unprompted.
1,000+ reviews
See the data ↓
4
Finished-Product Study
The layer we haven't reached yet. A structured study of Biotin Complex is on our roadmap, not on this page, and we won't imply otherwise.
On our roadmap
What's next ↓
We'll always tell you what we've measured and what we haven't. Transparency is the whole point of this page.
one formula
Biotin Is The Headline.
The Rest Is Why It Works.
Your hair and nails need more than one nutrient to stay in good condition, so we didn't stop at biotin. Five ingredients, four of them carrying authorised claims at legally compliant doses.
Hair
Biotin, zinc and selenium contribute to the maintenance of normal hair.
Skin
Biotin and zinc contribute to the maintenance of normal skin. Vitamin C contributes to normal collagen formation for the normal function of skin.
Nails
Zinc and selenium contribute to the maintenance of normal nails.
Cell Protection
Vitamin C, zinc and selenium contribute to the protection of cells from oxidative stress.
Energy
Biotin contributes to normal energy-yielding metabolism. Vitamin C contributes to the reduction of tiredness and fatigue.
Immunity
Vitamin C, zinc and selenium contribute to the normal function of the immune system.
Hair
Biotin, zinc and selenium contribute to the maintenance of normal hair.
Skin
Biotin and zinc contribute to the maintenance of normal skin. Vitamin C contributes to normal collagen formation for the normal function of skin.
Nails
Zinc and selenium contribute to the maintenance of normal nails.
Cell Protection
Vitamin C, zinc and selenium contribute to the protection of cells from oxidative stress.
Energy
Biotin contributes to normal energy-yielding metabolism. Vitamin C contributes to the reduction of tiredness and fatigue.
Immunity
Vitamin C, zinc and selenium contribute to the normal function of the immune system.
Our findings
What 1,000+ Customers Actually Mention
We don't have to guess how Biotin Complex performs in real life. We read every verified review and coded it by theme, so you can see what people bring up when they describe a result, without being asked.
4.5
Average across 1,000+ verified customer reviews, collected via Okendo.
WHY THIS MATTERS
Hair is the reason most people start, and it comes up in 86% of the positive reviews that describe a result. Some of the most telling reviews come from long-term customers who only realised how well it was working when they ran out.
Of positive reviews that describe a result, the share mentioning each theme
Hair condition, overall
86%
Nails
53%
Hair growth and length
35%
Less shedding
23%
Stronger nails
23%
Thicker, fuller hair
20%
Themes coded from verified Okendo reviews of Biotin Complex. Percentages show the share of positive reviews describing a change in hair, nails or skin that mention each theme. Reviews about delivery only, or written before there was anything to report, are read but not counted in these figures. These are self-reported customer experiences, not clinical outcomes, and individual results vary.
OUR METHOD
We Read Every Review.
Not Just The Good Ones.
The percentages above only mean something if you know how we got them. We didn't sample, we didn't pick, and we didn't leave anything out. Every verified review of Biotin Complex was read and coded by theme, including the critical ones. Reviews that only mention delivery, or were written before there was anything to report, are read but not counted in the theme figures, because they can't tell you whether it worked.
1,000+
verified reviews read, not sampled
6
themes coded across every review
0
reviews filtered out before coding
Okendo
independently collected and verified
"I have been using the Biotin for over a year now... I've noticed my hair is fuller & has grown."
Kerry D.
Verified Customer
"I am 7 months into taking these Biotin tablets and the difference in my hair is insane!"
Elizabeth
Verified Customer
The Biology Of Growth
Why You Might Not Have Noticed
Hair and nails change slowly, and you're the person least likely to see it happen. Here's why.
01
You see yourself every day
Gradual change is the hardest kind to spot when you're the one living with it. That's why the person who notices first is so often someone else. In our reviews, again and again, it's a hairdresser.
02
Most of your hair is old hair
Hair grows about 1cm a month, so shoulder-length hair is roughly two to three years of growth. After four months, about 4cm at the root grew while you were taking Biotin Complex. The lengths you look at, style and judge every day were made long before your first capsule.
~1cm a month
2 to 3 years of growth in shoulder-length hair
03
Its job is maintenance
Biotin, zinc and selenium contribute to the maintenance of normal hair, and zinc and selenium to normal nails. That's the authorised claim and it's what we promise. Maintenance is the one result you only notice when it stops.
"It wasn't until I ran out that I realised how much better I had felt too and my hair became lank again."
Rita C. · Verified Customer
GB / EU nutrition and health claims register
The vitamins & minerals
Every stated role of biotin, vitamin C, zinc and selenium on this page is an authorised nutrient function claim under GB and EU regulation, made at a dose that meets the conditions of use. You can look up every single one.
View the register →
Three things we won't leave out
These are facts about how hair and nails grow, not trials of Biotin Complex. They explain why change is hard to see, not what you'll see. Hair and nails also depend on iron, hormones, thyroid health, stress and diet, which is why results vary from person to person. And if your shedding is sudden, heavy or patchy, please see your GP rather than relying on any supplement.
Before You Decide
Check Before You Decide.
It Takes Two Minutes.
Find a photo from the month you started.
Your camera roll will have one. Compare your parting and hairline in similar light.
Look at your nails.
How often have they split or broken this month, compared with before you started?
Think about your brush and shower drain.
Is it the same as it was?
Ask your hairdresser.
They see you every six weeks, not every morning.
If anything has moved, that's your answer.
If nothing has, read on. We've got options for that too.
Clean without compromise
Everything You Need. Nothing You Don't.
Five ingredients only count if your body can use them, and if nothing else in the capsule works against you. Biotin Complex is made in the UK to GMP standards, without the fillers people so often react to.
✕
Titanium dioxide
✕
Maltodextrin
✕
Magnesium stearate
✕
Palm oil
✕
Synthetic silicon dioxide
✕
Synthetic colours & preservatives
Instead: a natural vegetable HPMC capsule and brown rice flour as a carrier. That's it. Vegan, non-GMO, gluten- and dairy-free, no added sugars. Made in the UK, batch tested for identity, dose and purity before release.
THE PERSON BEHIND THE FORMULA
The people behind the formula
A Named Expert, Real Accountability
Stephanie Baker
Registered Associate Nutritionist (ANutr), mBANT
Women's Health & Nutrition Specialist
Stephanie supports our evidence-led approach to formulation, reviewing ingredient selection, nutritional rationale and the research behind our products. Her input is why every active in Biotin Complex has a stated purpose at a stated dose, and why the claims on this page are held to the authorised register rather than to whatever sounds best.
IN THE PRESS
Trusted By The Press
"Don't expect overnight results."
2023
"Purolabs Biotin Complex £29.99 provides high strength 10,000ug pure biotin with vitamin C, selenium & zinc."
2023
"This UK-made supplement is plant-based and vegan-friendly."
2023
"Purolabs Biotin Complex £29.99 provides high strength 10,000ug pure biotin with vitamin C, selenium & zinc."
2023
"Don't expect overnight results."
2023
"This UK-made supplement is plant-based and vegan-friendly."
2023
Where our research goes next
We're Not Finished,
And We'll Say So
We're Not Finished, And We'll Say So
Clinical research is rare in the supplement industry because it's slow and expensive. We're a family business, not a venture-backed giant, so we're building our evidence base in honest, deliberate steps, and each one gets published here as it lands.
Review-theme analysis
1,000+ verified reviews read and coded by theme.
Complete
Every claim checked against the GB register.
Each benefit on this page is an authorised claim at a qualifying dose.
Complete
Structured 12-week consumer study
Standardised nail photos and measurements, and self-scored hair measures on one consistent scale, analysed independently.
Next
Finished-product clinical trial
A placebo-controlled study of the complete Biotin Complex formula as we grow.
Ambition
BEFORE YOU GO
Not Sure? Skip. Don't Cancel.
Biotin Complex
(60 capsules, 60-day supply)
£0.40/day
£23.99
If you genuinely can't tell whether it's working, there's a simple way to find out. Skip your next delivery and see how you get on without it for a couple of months. If you notice your hair or nails slipping, bring your next order forward in one click, at the same 20% subscriber price. If you notice nothing, you'll know, and you can cancel with complete confidence.
Got bottles stacking up? You can also change how often your deliveries arrive, so you're never paying for capsules you haven't taken yet.
Not sure what’s going on? Book a free chat with our nutritionist. She’ll look at the bigger picture with you, no strings attached.
YOUR SUBSCRIPTION INCLUDES:
20% Off, Forever
Locked-in subscriber pricing on every single delivery.
£29.99
£23.99
Free UK Delivery
Letterbox-friendly packaging, straight through your door.
£0
Skip Or Change Frequency Anytime
Bottles stacking up? Skip a delivery or space them out instead of cancelling, and keep your price.
Flexible
Swap Anytime
Swap Anytime
Want to try something different? Switch to another product and keep your 20% subscriber price.
Flexible
Total
£29.99
£23.99
Free delivery
Flexible subscription
Free nutritionist support
Good to know
Questions Customers Ask Us
Do the two-minute check above first, because gradual change is easy to miss. If your hair and nails really are exactly as they were, it's worth asking why. Hair and nails depend on iron, hormones, thyroid health, stress and diet as well as the nutrients in Biotin Complex. So please speak to your GP, especially about sudden or patchy shedding, or book a free chat with our nutritionist.
If you're unsure, skip a delivery rather than cancelling and see whether you notice a difference without it.
Three things, and all three are checkable. A high-strength dose: 10,000µg of biotin in one capsule. Three supporting nutrients: vitamin C, zinc and selenium, each at a dose that meets the conditions for its authorised claim. And a clean capsule: no titanium dioxide, no magnesium stearate, no maltodextrin, no palm oil, no synthetic colours. Made in the UK to GMP standards and batch tested before release.
Thank you for giving it a fair try. Hair and nails have a lot of inputs, and biotin is only one of them. If you haven't already, speak to your GP, especially if your shedding is sudden or patchy. You can also book a free consultation with our nutritionist, who can look at the bigger picture with you. And if another product suits your goals better, you can swap your subscription instead of cancelling and keep your 20% subscriber price.
Every batch is made in the UK to GMP standards, the same framework used in pharmaceutical manufacturing, and tested for identity, dose accuracy and purity before release. Biotin Complex is vegan, non-GMO, and gluten- and dairy-free.
One thing worth knowing: high-dose biotin can affect the results of some blood tests, including thyroid and heart tests. If you're having bloods taken, tell your GP or the lab that you take it. If you're pregnant or breastfeeding, take medication or are under medical supervision, check with your GP or pharmacist before taking it.
Proven. Clean. Honest.
Not Sure It's Working?
Find Out Before You Let It Go.
Check your photos. Ask your hairdresser. Or skip a delivery and see for yourself.
Check your photos. Ask your hairdresser.
Or skip a delivery and see for yourself.
1,000+ verified reviews
10,000µg biotin with zinc, selenium & vitamin C
One clean capsule a day
Free UK Delivery · Free Nutritionist Support · Subscribe & Save 20%
Free UK Delivery · Free Nutritionist Support
· Subscribe & Save 20%
