BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors - welzo
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors - welzo
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors
"Very quick delivery. Used 3 times, each order arrived the next day before 12:00"
Hugo Dover
"Reliable & original products, with fast next day delivery. Have been using Welzo for over a year now."
Elina Goulliard
"Welzo is great, lots of support from customer service who are easy to get a hold of and quick delivery."
Elizabeth Moore

Product Description

BioSil ch-OSA (Hair, Skin & Nails) supports collagen generation for healthier hair, skin and nails, using the patented ch-OSA complex that boosts silicon delivery. The primary active ingredient, ch-OSA, is vegan and non-GMO, manufactured to high GMP standards, and backed by Natural Factors’ long standing commitment to purity. In simple terms, it supports your body's own collagen, elastin and keratin.

Available Sizes & Variants:

Vegetarian Capsules - vegan skincare friendly

Benefits & Features:

  • Supports hair strength and thickness.
  • Promotes skin elasticity, helping skin feel firmer and more youthful.
  • Nails become stronger and less prone to brittleness, reducing splitting.
  • Intended for daily skincare routines and long lasting confidence around friends.
  • The star ingredient ch-OSA delivers silicon in a highly bioavailable form, supporting your body's natural collagen, elastin, and keratin production for visible, durable improvements over time.

BioSil ch-OSA sits at the heart of Natural Factors’ skincare story. This vegan skincare staple is built on a patented complex designed for optimal silicon delivery, helping your body make and maintain collagen, elastin and keratin. The brand’s GMP standards and transparent labelling give real peace of mind, and its vegan, non-GMO ingredients avoid common allergens. It’s genuinely reliable, and it fits into busy lives, quickly and easily becoming a quiet, everyday part of self care. It feels pretty impressive, too.

Ingredients/Specifications

Choline (as ch-OSA®), Silicon (as Choline-Stabilized Orthosilicic Acid) (ch-OSA®)
Microcrystalline Cellulose, Purified Water, Capsule Shell consists of Hydroxypropyl MethylCellulose.

UK Delivery & Returns

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

How to use

Take one capsule twice a day. 1-2 capsules with food\, unless otherwise directed by your healthcare professional.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving% DV
Silicon (as Choline-Stabilized Orthosilicic Acid (ch-OSA)5 mg*
Choline (as ch-OSA)100 mg*
* Daily Value (DV) not established
1. Promotes Healthy Hair: BioSil contains ch-OSA, which is a unique form of silicon that has been clinically proven to strengthen hair and promote its growth. Regular use of this product can help improve the overall health and appearance of your hair, making it stronger, thicker, and more lustrous.
2. Supports Skin and Nail Health: The ch-OSA in BioSil also helps to boost the production of collagen, a protein that is essential for maintaining healthy skin and nails. By promoting the growth of new collagen, this product can help reduce the signs of aging, such as wrinkles and sagging skin, and improve the strength and appearance of your nails.

The Active Ingredient Is: Silicon (as choline-stabilized orthosilicic acid)

Silicon, a trace mineral, is supplied in the choline-stabilised orthosilicic acid form, meant for enhanced bioavailability. This complex is vegan and non-GMO, and the product uses a plant-based capsule shell to deliver the ingredient in a bioavailable form.

This form is a patented ch-OSA complex created to optimise silicon delivery and support its role in connective tissue and hair, skin and nails health in vegan formulations.

What Does Silicon Do?

Silicon helps with normal functions linked to collagen and keratin synthesis, with evidence pointing to improvements in skin elasticity, nail strength and hair thickness in adults. Dr. Barel of University found that silicon-containing supplementation can positively influence skin properties when taken consistently.

EFSA-aligned research supports silicon’s involvement in maintaining normal connective tissue structure and function, contributing to daily vitality through its role in skin, hair and nails health.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Why it's Welzo

Natural Factors is our go-to manufacturer for BioSil ch-OSA (Hair, Skin & Nails) because they bring a long-standing reputation for ingredient purity, regulatory compliance and customer trust. The brand’s commitment to top-notch manufacturing aligns with our expectations for reliable, science‑led supplements, and BioSil is widely regarded as the original, clinically backed silicon support. This heritage, combined with Natural Factors’ clear labelling, backs our confidence in selecting them as a partner for this product.

Our look at the brand on formal quality checks and third‑party validation, noting their GMP‑level manufacturing and focus on ingredient transparency. This is backed up by BioSil ch‑OSA’s patented delivery system, which supports silicon bioavailability and has been studied in clinical settings. To build trust, we highlight the brand’s well established position in both North America and Europe and its continuous focus on thorough research.

This brand‑product pairing is perfectly suited for a collagen‑generating, vegan, non‑GMO supplement. Our review process involved our medical experts evaluating production excellence and quality controls our quality certification process, and you can learn more about our team at our team of medical experts.

BioSil, ch-OSA (Hair, Skin & Nails) 120 Vegetarian Capsules – Natural Factors

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BioSil ch-OSA (Hair, Skin & Nails) supports collagen generation for healthier hair, skin and nails, using the patented ch-OSA complex that boosts silicon delivery.
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Product Description

BioSil ch-OSA (Hair, Skin & Nails) supports collagen generation for healthier hair, skin and nails, using the patented ch-OSA complex that boosts silicon delivery. The primary active ingredient, ch-OSA, is vegan and non-GMO, manufactured to high GMP standards, and backed by Natural Factors’ long standing commitment to purity. In simple terms, it supports your body's own collagen, elastin and keratin.

Available Sizes & Variants:

Vegetarian Capsules - vegan skincare friendly

Benefits & Features:

  • Supports hair strength and thickness.
  • Promotes skin elasticity, helping skin feel firmer and more youthful.
  • Nails become stronger and less prone to brittleness, reducing splitting.
  • Intended for daily skincare routines and long lasting confidence around friends.
  • The star ingredient ch-OSA delivers silicon in a highly bioavailable form, supporting your body's natural collagen, elastin, and keratin production for visible, durable improvements over time.

BioSil ch-OSA sits at the heart of Natural Factors’ skincare story. This vegan skincare staple is built on a patented complex designed for optimal silicon delivery, helping your body make and maintain collagen, elastin and keratin. The brand’s GMP standards and transparent labelling give real peace of mind, and its vegan, non-GMO ingredients avoid common allergens. It’s genuinely reliable, and it fits into busy lives, quickly and easily becoming a quiet, everyday part of self care. It feels pretty impressive, too.

Ingredients/Specifications

Choline (as ch-OSA®), Silicon (as Choline-Stabilized Orthosilicic Acid) (ch-OSA®)
Microcrystalline Cellulose, Purified Water, Capsule Shell consists of Hydroxypropyl MethylCellulose.

UK Delivery & Returns

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

How to use

Take one capsule twice a day. 1-2 capsules with food\, unless otherwise directed by your healthcare professional.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving% DV
Silicon (as Choline-Stabilized Orthosilicic Acid (ch-OSA)5 mg*
Choline (as ch-OSA)100 mg*
* Daily Value (DV) not established
1. Promotes Healthy Hair: BioSil contains ch-OSA, which is a unique form of silicon that has been clinically proven to strengthen hair and promote its growth. Regular use of this product can help improve the overall health and appearance of your hair, making it stronger, thicker, and more lustrous.
2. Supports Skin and Nail Health: The ch-OSA in BioSil also helps to boost the production of collagen, a protein that is essential for maintaining healthy skin and nails. By promoting the growth of new collagen, this product can help reduce the signs of aging, such as wrinkles and sagging skin, and improve the strength and appearance of your nails.

The Active Ingredient Is: Silicon (as choline-stabilized orthosilicic acid)

Silicon, a trace mineral, is supplied in the choline-stabilised orthosilicic acid form, meant for enhanced bioavailability. This complex is vegan and non-GMO, and the product uses a plant-based capsule shell to deliver the ingredient in a bioavailable form.

This form is a patented ch-OSA complex created to optimise silicon delivery and support its role in connective tissue and hair, skin and nails health in vegan formulations.

What Does Silicon Do?

Silicon helps with normal functions linked to collagen and keratin synthesis, with evidence pointing to improvements in skin elasticity, nail strength and hair thickness in adults. Dr. Barel of University found that silicon-containing supplementation can positively influence skin properties when taken consistently.

EFSA-aligned research supports silicon’s involvement in maintaining normal connective tissue structure and function, contributing to daily vitality through its role in skin, hair and nails health.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Why it's Welzo

Natural Factors is our go-to manufacturer for BioSil ch-OSA (Hair, Skin & Nails) because they bring a long-standing reputation for ingredient purity, regulatory compliance and customer trust. The brand’s commitment to top-notch manufacturing aligns with our expectations for reliable, science‑led supplements, and BioSil is widely regarded as the original, clinically backed silicon support. This heritage, combined with Natural Factors’ clear labelling, backs our confidence in selecting them as a partner for this product.

Our look at the brand on formal quality checks and third‑party validation, noting their GMP‑level manufacturing and focus on ingredient transparency. This is backed up by BioSil ch‑OSA’s patented delivery system, which supports silicon bioavailability and has been studied in clinical settings. To build trust, we highlight the brand’s well established position in both North America and Europe and its continuous focus on thorough research.

This brand‑product pairing is perfectly suited for a collagen‑generating, vegan, non‑GMO supplement. Our review process involved our medical experts evaluating production excellence and quality controls our quality certification process, and you can learn more about our team at our team of medical experts.

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Disclaimer

Content team: Dr Sameer Nakedar

Role: Chief Medical Officer

MBBS (London, UK), MRCGP, PGCert

Content team: Paola Drexlar

Role: Medical Content Writer, UK

BA (Hons) Journalism