Elaborates by BIOpreventis Research & Development? BIOpreventis Sileo Organic Silicium 1L is a food supplement source of highly bio available organic silicium. Bioavailability is the proportion of a substance which will effectively act in the body referring to the absorbed quantity. This is not to confuse with the BIO of organic farming.<br /><br />It can delay long-term ageing effects on cartilage. Made from nettle titrated in Organic Silicon at 1%? Sileo helps improve joint comfort.<br /><br />Natural product without side effects.