A good source of dxm is robotussin max cough gels they have either 15mg a gel for $3.00 with 20 gels or 30mg a gel for $5-6

You can get them at walmart, k-mart, or any place with a pharmacy
despise Reviewed by despise on . First time DXM trip! Ok well heres the deal, Im going to try DXM for the first time tonight. Here are my stats: 5'8" 170lbs 15%BF 19 years old Im going to do 6.5 oz of liquid Robotuissen (sp?) with no other active ingredients other then the DXM. Im going to ingest at about 5:30-5:45 on an empty stomach then me and a buddy (who doesnt know that Ill be trippin on purpose, casue I told him I need it because Ive been sick lol) are going to go watch Jarhead tonight at about 7:10, thats if it isnt sold out. If Rating: 5