Active substance

Oyster Shell Calcium Carbonate, Crude, Causticum, Matricaria Recutita, Cinchona Officinalis Bark, Copper, Lycopodium Clavatum Spore, Magnesium Phosphate, Dibasic Trihydrate, Toxicodendron Pubescens Leaf, Silicon Dioxide, and Sulfur

2 products from 2 companies contain this in United States.

2 without prescriptionTabletTablet, Soluble

Available without a prescription

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.