creatine with cardio?

hey all been lifting two years now never did cardio.... i started doing it like 2 months ago  abit with my lifting... bascially on a leg day ill do like 35 -40 min on the bike , run a mile plus my leg work out... then other days of the week ill run a mile if i feel like it sometimes 2 times a week sometimes 6 , anyway  i can now run a mile in 8 min , hahaha not that great but with my poor cardio im prooud of it , i havent ran in about 2 weeks tho ,  now scared to start again , anyway i lost alittle weight... like 10 pounds , cant seem to gain it back even with junk food , i did however just start working again havent in 6 months ,just gym and sitting on my ass , i dont think im eating enough calories i guess cuz im burning more ... anyway im going to vegas in sept... i wanna look better.. i wanna keep the cardio , im proud of it , but ive also had this 100% creatine mono on my fridge like 8 months i wanna use it...
 is it safe to do cardio while cycling creatine?.. might sound dumb or paranoid but i dont want my heart to pop!.
 
 and i wanna take this creatine to bulk back up gain some strength , i dont want it for the running ... so is it cool to run while using this stuff.?? i also take a multi vitamin( GNC mega man sport )

Yeah, it's safe. Eat a lot lot lot and lift heavy as possible.