Pure Bicarbonate of Soda. Many commercially available brands compromise on quality, sourcing from questionable suppliers and introducing contaminants during processing. Some may add fillers to cut costs, diluting the purity and effectiveness of their product. As always I am using this and want to give it to people so I had to find the cleanest one... Here it is. Sodium Bicarbonate is a salt which breaks down forming bicarbonate and sodium in water. This breakdown creates a solution called alkaline, meaning it is able to neutralise acid. While Bicarbonate of Soda is a substance found in numerous households, it has many different effective ways this product can be used. Ancient Purity Bicarbonate of Soda is a safe and effective essential for your home and is EP/BP/USP Grade.