It ’s Halloween time of year , so be   prepared for   some of your best-loved   food   to change   from their traditional   colors to black and orangish . What nobody has   prepared you for , however , is to have your low-down modification people of colour   as well .

Burger King ’s scary black cherry slushies are have an unexpected effect on   the color of people ’s bowel movements . Many have remark on social sensitive that their poop has work black ( not too unexpected ) , as well as   undimmed blue and atomic number 10 green . That ’s unquestionably more startling .

So what ’s make a rainbow come out inside your intestine ? One   perpetrator is the colourize agents used in the icy drinkable . Another is that to digest food our dead body secretes a lot of different products   – bile ,   in particular , has   a distinctive yellow - greenish hue . When the blue dyes in the slushie mix with the bile , voilà , your poop is tinted in some extreme people of colour .

While such an consequence might seem “ affected ” , there are many different plant and fruit that farm a exchangeable core . morose leafy greens   –   such as kale , Charles Edward Berry , and beetroot – can all pile with your tail color . It ’s like learning about primary vividness in schools , but it ’s your intestine and not your fingers that ’s doing all the commixture .

We ca n’t believe we are writing this , but this is not the first clip that Burger King has messed with itscustomers ' poop . In October 2015 , the fast intellectual nourishment chain released a opprobrious burger that made   those who wipe out it have   green stern . Interestingly , when the Warren E. Burger was unblock   in the US , the black Warren Earl Burger had been available in Japan for almost a year without any report of green stern in the Asian nation . The main difference was   that the Japanese roll was   colored with squid ink , while the westerly opposite number used artificial dyestuff . Clearly , they are broken down differently by our digestive organization .

[ H / T : Miami Herald ]