tomato juice 7 cysteine which is available as the overthecounter supplement nacetylcysteine nac is known to assist in processing acetaldehyde best taken already while drinking and before going to bed egg yolk is also rich in cysteine and it is notable that many hangover folk remedies or morningafter breakfasts incorporate eggs 8 the later stages of the consumption of alcohol cause more of a negative effect than the first by consuming more alcohol hair of the dog the body begins processing the newer alcohol bringing a temporary relief from the effects of a hangover 9 taking a vitamin b1 thiamin supplement before going to bed 10 the english breakfast or breakfast roll a meal that is an all day breakfast 11 in 2003 the fad hangover cure was a russian pill sold in russia as antipokhmelin antihangover and marketed as ru21 in the usa it is also known as the kgb pill due to its supposed use by the kgb to allow spies to keep a clear head while drinking