Effervescent vitamin or iron compsn. - contg. sodium carbonate or sodium bi:carbonate, neutralising agent and potassium carbonate as stabilising agent

摘要

An effervescent oral vitamin or iron compsn. comprises vitamin C or an iron-contg. cpd., Na2CO3 or NaHCO3, a neutralising agent and K2CO3 as a stabilising agent. The iron cpd. is pref. 1 or more of ammonium iron citrate, sodium ferrous citrate or iron citrate. The neutralising agent is an organic acid, e.g., L-tartaric acid, citric acid, fumaric acid or ascorbic acid.