Our .001 microns of silver at ten parts per million is ideal for both safety and potential effectiveness. Our silver is 99.99% pure, and is processed for uniform distribution and concentration. When choosing a supplemental dietary source of colloidal silver, the key considerations are particle size and concentration. Smaller particles are more easily absorbed. Our .001 microns of silver at ten parts per million is ideal for both safety and potential effectiveness. Our silver is 99.99% pure; and our electro-colloidal process creates negatively charged ions that repel each other to produce perfectly uniform distribution and concentration. It's unsurpassed quality for better nutritional health.