Don't Take Collagen. Make It Yourself.
This science-backed formula supports smoother skin, stronger nails, and fuller, shinier hair.
Our patented ch-OSA® complex comes in a smooth, easy-to-swallow capsule, designed to boost collagen production and protect the collagen you already have.
Unlike traditional collagen supplements, this formula contains no collagen. Instead, it helps your body generate its own, making it the ultimate vegan collagen alternative.
Key Features!
- ✓ Collagen generator with ch-OSA®
- ✓ Boosts natural collagen, elastin and keratin
- ✓ Liquid-filled capsules for fast absorption
- ✓ 100% vegan, non-GMO and clinically proven
- ✓ Powerful anti-aging support from the inside out
🔥 Trending on TikTok
🔥 Trending on TikTok: see why so many people have made these capsules part of their daily routine.
The Science
The hype is real, and so is the science. Clinical studies measured these results:
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89%: more skin elasticity
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30%: fewer lines and wrinkles
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26%: stronger and smoother nails
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13%: thicker hair
Before and after:
How It Differs from Collagen Supplements
This formula is not made from collagen; it generates collagen. When you swallow collagen, your body breaks it down and digests it as food, treating collagen supplements like any other protein-rich meal of meat, seafood or poultry. In that way, many collagen supplements aren't very different from drinking a protein shake.
ch-OSA®, by contrast, turns on your body's collagen-producing cells. In your skin these cells are called fibroblasts; in bone they're called osteoblasts. When fibroblasts and osteoblasts slow down with age, collagen production diminishes. The formula has been clinically proven to increase collagen formation by supporting these cells and helping them operate at full capacity. What's more, it protects both newly formed collagen and your existing collagen from damage.
What's in It (and What's Not)
ch-OSA®, our patented and uniquely effective compound, is the only active ingredient in these liquid capsules. The formula is vegan and GMO-free.
It does not contain soy, dairy, egg, corn, wheat, gluten, fish/shellfish, peanuts/nuts/tree nuts, animal-derived ingredients, ingredients from genetically modified organisms, artificial colors, artificial preservatives, or any flavors or sweeteners.
Supplement Facts
Serving size: 1 capsule
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Other ingredients: silicon dioxide, purified water. The capsule shell consists of hydroxypropyl methylcellulose.
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Free from: soy, dairy, egg, corn, wheat, gluten, fish/shellfish, nuts/tree nuts.
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Storage: store at 59–86 °F (15–30 °C). Protect from light and moisture. Keep out of the reach of children.
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Caution: consult your healthcare professional prior to use if you have, or suspect, a medical condition or are taking prescription drugs.
Suggested Use
Take one capsule in the morning and one at night. Take it with any beverage, hot or cold. It can be taken with food or on an empty stomach.
When to Expect Results
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1 month: faster-growing nails are one of the first improvements people say they notice.
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2 months: more voluminous, faster-growing and lustrous hair is commonly reported in the second month.
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3 months: glowing, brighter, more luminous skin can happen within three months for some people, according to reviews.
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3 months: reduces joint discomfort, increases mobility and range of flexibility, and improves cartilage condition after three months, according to a clinical study.
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4–5 months: significantly improves wrinkles and fine lines, as well as skin elasticity, in this timeframe, according to a clinical study.
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4–6 months: reduces nail brittleness after four months, and reduces vertical lines and roughness after six, according to a clinical study.
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9 months: strengthens, thickens and elasticizes hair after nine months, according to a clinical study.
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12 months: increases bone collagen production and improves bone density at the hip, according to a clinical study.
Who Should Take It?
It can be beneficial for everyone. Collagen production typically peaks around age 21, and levels decline by an average of 1% per year after that, though degradation rates vary with genetics and lifestyle factors.
People usually see the effects of collagen loss in their skin, hair and nails, and feel the changes in their bones and joints. ch-OSA® helps rejuvenate these collagen-dependent tissues at any age.
Frequently Asked Questions
Can I trust these clinical trials?
Meaningful proof of Biosil®'s effects on skin, hair, nails, bones and joints comes from randomized, double-blind, placebo-controlled human clinical trials published in top peer-reviewed medical journals, the highest standard for clinical testing. There is a major difference between "clinically proven" and "clinically tested." Any product can be tested in a clinical setting, but only products that show statistically significant results may use the phrase "clinically proven." Biosil® is clinically proven in double-blind, placebo-controlled clinical trials.
Is it FDA-approved?
Biosil® was introduced for sale in the USA in 1994 and meets or exceeds all FDA requirements for dietary supplements. The FDA inspects the manufacturing facility in Belgium, and also inspects and approves Biosil® products for sale upon their arrival in the USA. The FDA reviews all claims substantiations, ingredients and safety practices prior to approving the products.
Is ch-OSA® approved in Europe?
In Europe, the European Food Safety Authority, considered by many to be one of the most stringent review panels in the world, has reviewed and approved ch-OSA®. Its written opinion deeming ch-OSA® safe and bioavailable is available online.
Is it approved in Canada?
In Canada, Health Canada's rigorous new regulatory program has granted Biosil® products Natural Product Numbers after evaluating the scientific support and confirming safety and claims substantiation (Biosil® Capsules: NPN 80023605; Biosil® Liquid Drops: NPN 800005878).
What Clinicians Say
Clinicians sharing this product include doctors, nurse practitioners and physician associates. Right now, 569 clinicians include it on their personalized patient discount pages, out of hundreds of product options.
Dr. Michael Lurakis
★★★★★
Keratin support for nail strength and hair quality. Many patients have concerns about their thinning hair or easily chipped nails. These can be frustrating problems to have, so I am happy to see a product like this one from Biosil. The ch-OSA in these capsules can supply the body with silicon, which is something the body relies on when forming keratin. The hair is largely built from keratin, so consistent intake may offer support for the hair's general quality. An independent dermatology review found that ch-OSA can also be helpful for nail strength and brittleness. After reviewing the research, I feel good about this product, and I think it's one worth using as part of a supportive routine.
Smart formula delivers usable silicon for skin, nails, and hair. It's smart how Biosil goes about delivering the active ingredient in these capsules. When in its active form, orthosilicic acid tends to clump together and may be difficult for the body to use. This formula aims to address this problem in two ways. First, the ch-OSA is stabilized with choline to help keep the silicon from turning into an unusable form. The capsule also utilizes an accessible liquid solution instead of a dry powder, which would otherwise need to dissolve in the body before it can actually be used. I believe the way a silicon supplement is formulated can affect how much of it the body absorbs. By doing it this way, people may get more silicon from each serving, potentially giving more support for areas that need it, like the skin, nails, and hair.
Daily capsule helps support firmer-looking skin over time. I recommend Biosil Liquid Capsules to people who are starting to notice their skin looking looser or less springy than it used to. I like how it includes ingredients that can work with the body for natural skin support. For example, ch-OSA is a stabilized form of a mineral called silicon that the body can draw on for collagen production. Collagen is the protein that can keep skin firm, so it plays an important role in the health of the skin over time. As for research, silicon has been linked to collagen production and has shown some potential to support things like skin strength and elasticity.
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International Journal of Research in Dermatology, 2020: Assessment of anti-ageing effects of oral choline-stabilized orthosilicic acid on hair, skin and nails: an open label, non-randomized interventional study
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Skin Appendage Disorders, 2025: Nail supplements: when, how, and why?
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Current Medical Issues, 2020: Choline-stabilized orthosilicic acid and bone health
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Scientific Reports, 2021: Relative absorption of silicon from different formulations of dietary supplements: a pilot randomized, double-blind, crossover post-prandial study
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Anais Brasileiros de Dermatologia, 2016: Use of silicon for skin and hair care: an approach of chemical forms available and efficacy
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Cosmoderma, 2025: Efficacy and safety of mesoporosil treatment in enhancing skin firmness, hydration, and elasticity: an 84-day clinical trial
† The clinicians clarify that larger-scale research to support these product claims is still developing. These statements have not been reviewed by the FDA and are not intended to be medical advice. Please consult your own medical provider before buying health products online.
Customer reviews
I am seeing results! My nails are growing stronger and my hair is healthier.
Great product, great results!
Very effective for my wife's face. She is so happy.
Highly recommended! Would buy again!
Read 6 more customer reviews
Biosil works and their customer service is outstanding.
Easy to take. I haven't taken it long enough to know the outcome.
Product is excellent and easy to receive.
Product is great, service is great, communication was on top of it!!
Priscilla Maslowski
★★★★★
Product, customer service and price.
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