I'm going to star this off with: You have no reason to believe me. I'm just a person on the internet.
I also am not encouraging anyone to CTB with any method. This is just my report from coming back from the brink of death.
A few days ago, I got my cup ready with 25g of SN and started to drink it. No AE, just tums. After a couple gulps, SI kicked in and I realized that I wasn't ready. Dumped the rest of the cup (was a whole lot still in there) and went to the bathroom. At this point, I figured that I didn't take enough of it and I could sleep it off. I wasn't feeling anything after about 10 mins so I though I'd be ok.
Absolutely wrong. While sitting on the toilet, I started to feel my pulse in my head. Like BOOM BOOM BOOM. I got up from the toilet and the whole apartment started spinning. I was sweating like crazy. I thought I could make it to my bed...i didn't even make it past the living room. I don't remember anything past this. My roommate apparently found me and called 911. He heard me fall on the floor. I don't remember anything else. Just nothingness.
Regained consciousness a few hours later hooked up to multiple IV ports and a really loud Oxygen mask hooked up over my face.
I was given the Methyline Blue and came back shortly after it. Got a pretty grave report from the ER Doctor. Oxygen % was in the 50s and they weren't expecting me to come back. Had to go through hours of neurological and physical tests.
Strangely enough: SN didn't show up in my Urine or Blood results. I was out of the hospital a couple days later... I'm doing fine now. Not sure if I actually want to CTB now anyway, if I did... I would probably do this again and make sure I was somewhere secluded like a forest or a big park at night.
Summary:
No pain. No serious nausea. Just discomfort from sweating and not being able to hold my own body weight. It never dawned on me that I was dying.
Side effects: My muscles felt like I walked up 500 flights of stairs on my hands and knees. Felt like my entire muscles were filled with lactic acid.