What is the sodium content in RXBARs? Depending on the flavour, RXBARs contain between 140-310mg of sodium per bar. To see a full list of nutrition facts and purchase RXBARs, shop here. Related articles Why do some products have the same amount of protein but different Percent Daily Values? Are the chickens the eggs are sourced from given hormones? What forms of payment do you accept online? Does RXBAR use MSG? Does the chocolate in RXBARs contain any sugar or dairy?