Didn't quite know where to put this info, especially since they've wiped their tweets. Looking from archives though they were active in the DKF movement and are a part of Keffals community so I figured I'd post it here. They were Retweeting/liking a lot of Keffals content in the past days/weeks.
Nattie Forsyth a Youtuber with 150k subscribers was bullied yesterday on Twitter which culminated in a self delete attempt.

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They've only been mentioned 4 times on KF under that name and that was in a thread about the Commentary Youtube community so it wasn't a thread on them specifically. Can still imagine Keffals trying to blame us for this though.
Also if you want to see how Twitter is by far a more toxic place than this website just look at the archive above and see all the celebrating in the replies.
I don't know what pills they took as they only showed the back of the bottle but I counted at least 8 pills falling into the cup, after the 1st attempt they scoop up 4 pills (?) with their hand and 2 are left in the cup. At the very least it was more serious than Doe and their Benadryl attempt. Seemingly drunk with water. Also you can hear unused pills slide back into the bottom of the bottle when they tilt it back upright.
The accounts bullying them appear to either be Trans or Trolls, it's hard to tell nowadays (Trans flag+Ukraine flag in Twitter name), the main accounts were suspended by Twitter (but weirdly the video isn't down yet).
Update, seems that they're okay and in hospital, tiny bit of a self insert from this user though.

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What medication was taken, probably was just over the counter paracetamol, maybe Co-codamol:
Regardless it appears that this person just needs to leave the Internet for a fair while because it clearly isn't helping their mental health. Hopefully after this they get the help that they need.
As for the last person in the original tweet who told them to 'just fucking do it'
I found this slightly ironic though that they retweeted this a few days before telling someone to kill themselves.

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Archive of their account though, had to use waybackcucks as ph was being too slow]