, sophisticated slow release tablets for longer lasting vitamin c, our strongest vitamin c tablet useful for anyone taking large amounts daily, released over 6 hours to help maintain levels in the blood for longer, with bioflavonoids & rosehipsthis is our strongest vitamin c tablet & useful for anyone who wants to take a high dose of this fascinating vitamin every day as long as you don’t mind large tablets. if tablet size is a problem then we also sell 1000mg & 500mg vitamin c tablets which are both smaller.however they have several important features in common in particular they are time release which means the vitamin c is released slowly from the tablet over a period of 6hrs after swallowing. this helps to maintain blood levels of vitamin c higher for longer than normal tablets. also our three tablets also contain bioflavonoids & rosehips two natural ingredients believed to work well with vitamin c.vitamin c plays an important role in the normal functioning of the immune system & helps to protect our cells from damage from reactive chemicals called free radicals.