Biosil® is a clinically proven, collagen-boosting supplement that enhances natural beauty with healthier, more youthful skin, hair & nails.

Shop the Biosil® range online: from capsules to liquid drops, find what works best for you! Different convenient forms. Same proven, radiant results.

Increase your collagen, keratin & elastin with Biosil®, the 2-in- 1 clinically proven collagen generator for beautiful hair, strong nails & glowing skin.

Better Hair & Nails Grow, strengthen & thicken your hair and nails. Our exclusive ch-OSA® complex for strong, healthy hair and nails—now with added biotin for an extra boost to support growth and shine.

Biosil's unique 2-in-1 ch-OSA® complex supports that ability by activating and protecting your body's collagen production, while at the same time boosting your elastin and keratin production. Biosil® is the only clinically proven supplement to do this!

Biosil® offers peak results at nine months for stronger, thicker hair with more elasticity. And after 12 months, even your bones will thank you. At this point, Biosil® increases bone collagen production and improves bone density at the hip, according to a clinical study.

Shop Biosil® Original Capsules online. Generate more collagen to protect and rejuvenate your skin, hair & nails. Subscribe & save 20%. Free Shipping.

The 2-in-1 effect of Biosil’s patented ch-OSA® formula supports and activates your body’s natural ability to protect and generate its own collagen, keratin and elastin. The result? Luminous skin, luscious hair, and seriously strong nails.

The 2-in-1 effect of Biosil’s patented ch-OSA® formula supports and activates your body’s natural ability to protect and generate its own collagen, keratin and elastin. The result? Luminous skin, luscious hair, and seriously strong nails.

Biosil® is clinically proven to thicken each individual strand of hair, which results in more overall volume†. Stronger hair Biosil® is proven to fortify your hair’s elasticity, which helps it resist damage from aging, styling, and environmental factors†.