Yes. There were such people.
Yes, it will work until you vomit.
even if you vomit it may work.
Simply, without antiemetics you will be at greater risk of vomiting.
You definitely need to mentally prepare for vomiting.
Of course, with antiemetics you can also vomit.
Without the extra stuff, CTB comfort may also be reduced.
How much is an individual matter.
The main difficulty of CTB with SN is absorbing a sufficiently large amount.
The later you potentially vomit, the better, because more SN will have time to be absorbed.
I recommend preparing an extra glass of SN.
If you vomit, you can try drinking another glass.
If you take the right amount of SN, it's pure SN and you don't vomit much, you will succeed in CTB.
Most likely, of course.
You also need to make sure no one finds you before you die.
The SI is a very big enemy and you have to defeat it as well. Benzo helps with this, but is not necessary.
I don't think you need to take 800mg of ibuprofen.
To sum up, the chance for effective CTB is slightly reduced, but it is still possible.
