Vitamin supplements can boost energy help you lose weight beat stress improve performance and reduce wrinkles but taking too many of them could lead to an unwanted side effect. According to express.co.uk vitamin supplements may cause heartburn in some people. The pills could irritate the oesophagus or allow some stomach acid to creep back up the oesophagus when it enters the stomach said Dr David Katz. He also noted that heartburn could be caused by the pill's shape or size and switching brand may help to reduce the pain. But if the problem continues even after that it may be
