Natural Factors

BioSil Original Capsules


Activate your beauty.

Award-winning BioSil, with clinically studied ch-OSA®, is specifically formulated to help nourish your body’s 3 beauty proteins and restore them to more youthful levels. Take one in the morning & one at night for luminous skin, luscious hair, and seriously strong nails.

Patented ch-OSA Complex

BioSil’s active ingredient, ch-OSA, increases collagen, keratin, and elastin levels in your body. The result? Less wrinkles, radiant skin, luscious hair, and strong nails.

2-in-1 effect: generates & protects

BioSil increases your collagen levels by activating your collagen production and by protecting existing collagen from degradation.

Tried, tested, proven

Years of clinical trials by American and European researchers haven't only studied and tested BioSil. They’ve actually proven that it works. Gold standards Biosil is clean, vegan, and GMO-free. We keep to the absolute highest European standards.

Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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