Products Supplying The Key To A Better Tomorrow. 3 6.941 Li Lithium 5 10.811 B Boron 11 22.990 Na Sodium 12 24.305 Mg Magnesium 19 39.098 K Potassium 20 40.078 Ca Calcium 23 50.942 V Vanadium 24 51.996 Cr Chromium 25 54.938 Mn Manganese 26 55.845 Fe Iron 29 63.546 Cu Copper 30 65.380 Zn Zinc Inorganic Ascorbate Aspartate Citrate Gluconate Glycinate Malate Nicotinate Orotate Picolinate Threonate Get a Sample or Quote