The first time I came across these triangles was about 2 and a half years ago and I have come across 4 different batches the first were orange, firm and did NOT have a vitamin C flavour and produced a very high and overwhelming buzz with no visuals but I did laugh heaps, I could not tell if it had LSD because the buzz was different and I never tried 2 or more to see if I could get visuals (was sold to me as MDMA and LSD but that combo feels different to what these felt like)
The second batch I came across were the best and an unmistakable RED color, they were the same size and had the same small triangle indent and were a good dose of LSD, they also had a chemical flavour. I was told that there weren't many of these made and have never come across them since (was sold to me as LSD in a pill)
The third batch were orange but seem to be a very old version of the first because they were very dusty and had no effect at all and these had a chemical flavour as well, was told that these were LSD but I have no idea (was sold to me as LSD and MDMA)
The last batch I came across were the trusty vitamin C flavour ones which I was able to ge for most of last year and a bit of this year, the hit from these were good, now I could tell there was some LSD in it but it is the most peeped up LSD i've ever come across, I've also read and heard of people saying that they are from the 2C family, i've had heaps of 2-Cb and it does not resemble that at all since it only last 4-5 hours and i've also had the pleasure of trying 2-CT-7 a few times and it doesn't even come close to being like that beauty. (these were sold to me as tripstacy but was told it was made up with a bit of speed, LSD and nutmeg which is most likely to be bullshit except for the LSD part)