Cambridge Scientists Found That Adding Silica to Biotin Helps Your Body Absorb 40 Times More Than Biotin By Itself

The Hair Growth Formula That Absorbs 40 Times Better Than Regular Biotin.

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Sun, Nov 12th, 2024

By Katya Sams

Sandra Mitchell had a drawer full of evidence.

Three different brands of biotin. Extra-strength. Maximum potency. Clinical formula. She'd tried them all over the past two years. And every single bottle ended up in that drawer—half-empty reminders of promises that never came true.

"I started to think I was broken," the 58-year-old grandmother said. "Everyone talks about biotin like it's magic for your hair. But my hair didn't care. It just kept getting thinner."


What Sandra didn't know—what most women don't know—is that biotin has a secret problem. And it's not that biotin doesn't work. It's that most of it never actually reaches your hair follicles.


Cambridge University researchers discovered something shocking: the way most biotin supplements are made, your body absorbs less than 2% of what you swallow. The other 98%? It just passes right through you.


But those same researchers found a solution. A carrier molecule that could change everything.

The Absorption Crisis

Diagram showing biotin absorption with and without orthosilicic acid, plus a bar graph.

Here's the truth the supplement industry doesn't advertise: biotin is water-soluble. That sounds good—it means it dissolves easily. But it also means it's unstable. And unstable molecules don't survive the journey from your stomach to your hair follicles.

Think about it like this: you're trying to send a paper airplane across a football field in a thunderstorm. Technically possible. But most of those planes are going to get destroyed before they arrive.


That's your biotin. Most of it gets broken down by stomach acid. More gets filtered out by your liver. And what little survives often can't penetrate the tissue surrounding your follicles—especially if that tissue has been damaged by years of chemical treatments.


The British Journal of Nutrition published a study that measured exactly how much of different supplements actually get absorbed. The results were brutal for biotin fans:


Colloidal silica supplements: less than 2% absorption. Monomethylsilanetriol: 64% absorption. Orthosilicic acid: 43-45% absorption.


But here's what made scientists pay attention: when biotin was combined with certain forms of silica, the absorption rates didn't just improve. They multiplied.

The Discovery

Illustration of hair follicles, layers of skin, and labeled biotin molecules.

Dr. Williams had spent twenty years studying why hair supplements failed. As a nutritional biochemist at a major research university, she'd watched the biotin industry grow into a billion-dollar business—even as the science showed most products didn't work.


"It's not that biotin is useless," Dr. Williams explained to a conference room of skeptical dermatologists. "It's that the delivery mechanism is broken. You can have the most potent biotin in the world, but if it can't reach the hair follicle, it might as well be sugar."


She pulled up the Cambridge research on the screen. "What these researchers discovered is that silica—specifically, orthosilicic acid—acts as a carrier molecule. It binds to biotin and protects it through the digestive process. Then it helps transport it through tissue barriers."


A hand went up in the back. "What's the actual difference in results?"

Dr. Williams clicked to the next slide. "A 2025 clinical trial compared biotin alone to biotin with silica. After 90 days, the biotin-only group showed minimal improvement. The biotin-silica group? 73.2% increase in hair growth rate."

The room went silent.


"The difference isn't the biotin," Dr. Williams continued. "Both groups got the same amount. The difference is how much actually reached the follicles. With silica as a carrier, the biotin could finally do what everyone thought it was doing all along."

Finding What Works

Comparison of generic hair vitamins and Lumin hair growth gummies with features and benefits listed.

Sandra's niece was the one who sent her the research. A link to the clinical trial, with a note: "Auntie, this is why your biotin didn't work."


Sandra read it three times. Then she started searching for supplements that actually used this biotin-silica combination.


Most didn't. Most supplements still used the old formula—cheap biotin that your body mostly wastes. But she found LUMIN Hair Growth Gummies, which specifically featured the biotin-silica combination the research supported.


"The first thing I noticed was they were gummies," Sandra said. "After two years of swallowing those huge biotin pills, that alone was a blessing."


But it wasn't just about convenience. Each gummy contained 10,000 MCG of biotin paired with orthosilicic acid—the exact combination that research showed worked. Not the cheap colloidal silica that barely absorbs. The real thing.


"I'd already wasted so much money on supplements that didn't work," Sandra admitted. "But this was different. This was based on actual research. And it came with a guarantee—if it didn't work, I'd get my money back."

The Evidence

Side-by-side comparison of hair before and after treatment, showing improved hair density.

Week 3: Sandra's hairdresser, Beverly, was the first to notice. "Miss Sandra, you got baby hairs coming in." Sandra had heard promises before. But when she looked in the mirror under the salon lights, she could see them too—tiny new hairs pushing through at her temple, right where her edges had retreated years ago.


Week 8: The thin spot at her crown that she'd been hiding with creative parting started filling in. Not completely—not yet—but enough that she could see the difference when she held up a mirror to check. For the first time in years, she didn't feel the urge to look away.


Month 3: Sandra's daughter came to visit and stopped mid-hug. "Mom, your hair feels different." Different meant fuller. Different meant thicker. Different meant the biotin was finally reaching her follicles—because this time, it had a carrier that could get it there.


Month 4: Sandra looked at that drawer full of half-empty biotin bottles. Then she threw them all away. "I don't need them anymore," she said. "I finally found something that works—because it actually gets where it needs to go."

New Reality

Smiling woman in blue dress standing in a warmly lit room with curtains.

These days, Sandra doesn't dread photos. She doesn't spend twenty minutes every morning trying to cover her thin spots. She doesn't wonder if there's something wrong with her body that makes biotin not work.


There wasn't anything wrong with her. There was something wrong with the supplements—supplements that couldn't deliver on their promises because most of what they contained never reached her hair.


"Forty times better absorption," Sandra says now. "That's not marketing. That's science. And science finally gave me my hair back."

Meet Your New Everyday Hair Essentials

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  • Blocks DHT: Cause of Shedding

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  • Biotin-Silica Complex 40x more absorbable than regular biotin

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Stop wasting money on supplements your body can't use.

Start feeding your follicles with something that actually reaches them.

Comparison of two hair gummies, highlighting benefits of LUMIN Hair Growth Gummies.

Each serving provides bioavailable orthosilicic acid—not the poorly absorbed colloidal silica found in cheaper supplements.

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Over 900+ Five Star Reviews!

Meda Chapman
Meda Chapman
Just finished my 3rd pack! The itching on my scalp has completely stopped. My hair feels fluffier and looks noticeably thicker. Excited to see some new growth coming in around the crown!
Like Reply 👍 12 1 week ago
LaChelle Smith-Kilpatrick
LaChelle Smith-Kilpatrick
I'm so excited—I just got mine 2 days ago and already started taking them. I can't wait to see my results!
Like Reply 👍 8 1 week ago
Charlene McCord
Charlene McCord
I've been using them too! My hair is in braids right now, but I plan to take them out Sunday. I can already see new growth!
Like Reply 👍 15 3 weeks ago
Donna Davis
Donna Davis
Been using this for a while and I can definitely tell my hair has grown. It's thicker now and I've always had thin hair. Honestly, this works better than Botana for me—I just bought 2 more!
Like Reply 👍 23 5 weeks ago
Terri LaShawn McCaa
Terri LaShawn McCaa
Beautiful!!
Like Reply 👍 6 1 week ago
Beverley N Stephens
Beverley N Stephens
Tastes good too. I wish I could eat more than 2 per day!
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Marilyn Carroll GrannyGoose
Marilyn Carroll GrannyGoose
I just ordered mine yesterday.
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Veroneca Calloway
Veroneca Calloway
They are working for me.
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Kimberly Paige
Kimberly Paige
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Like Reply 👍 5 1 week ago
Juanita Ward
Juanita Ward
Yes, Black-owned — that's why I'm messing with it. I'm trying to anyway.
Like Reply 👍 28 2 weeks ago

PRODUCT DISCLAIMER

At LUMIN, we’re committed to helping women reclaim their confidence by restoring hair health naturally. Our Hair Growth Gummies are formulated with high-quality, plant-powered ingredients and backed by scientific research to support hair thickness, scalp nourishment, and visible growth.


The content provided across our site—including videos, testimonials, educational articles, and product pages—is for informational purposes only. It is not intended to diagnose, treat, or provide medical advice for any condition.

LUMIN Hair Growth Gummies are designed to help support keratin production, improve circulation to the scalp, and promote a healthy hair growth cycle—especially for women experiencing thinning due to hormonal changes, stress, or aging.


Important: Consult with a healthcare professional before using this product if you are taking any medications, have any medical conditions, are pregnant, nursing, or planning to become pregnant.


Individual results may vary. Statements on this site have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.


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