Details The Ultimate Colloidal Silver by Medicines From Nature is a high strength ultra-fine particle size bacteriostatic water treatment with a particle count of 100 parts per million and particle size ranging from 0.0001 microns to guarantee effective action. Silver purity is essential to a high quality colloidal suspension. 99.999%+ fine silver is the most expensive silver available, but is the ultimate in purity and quality. Exclusively Packed by Hand. Colloidal Silver is affected by magnetic fields, so for optimum quality it must be processed by hand avoiding machinery, electric motors and metal implements. This old fashioned process is very labour intensive, but guarantees a superior product. Wheat Free Dairy Free Gluten Free Preservative Free Ingredients De-Ionized Water, Silver (Ag) 100ppm (100mg/Lt)