1der_drug - with all due respect, your previous posts are over the top. Some of what you are saying is correct but much is not and you are also missing the point of what others are saying.
As Fry_d said, there is the actual drug and then there is the binder.
100% pure MDMA being made to produce pills is non-existent: this is because all illegally produced drugs will not be made to a purity of 100%. About 90% is likely to be as good as it gets. The highest purity methylamphetamine found in seizures seems to be around 85%. It seems that the upper limit has been reached on purity and short of synthesising in a pharmaceutical lab, it is not going to get much purer.
Thus, for example, pills may be be made with 90% pure MDMA powder. If a pill is pressed with inactive binder at 50:50, the pill would be 45% MDMA purity overall.
But the quality and effects of this pill when compared with the powder would be the same, assuming the ultimate dose of MDMA is the same. A point of this powder and a 200mg pill will both contain 90mg MDMA. There is no difference, excluding the variable of onset of action of a purer powder compared with a tablet.
Thus, the binder reduces the purity of the MDMA but it does not necessarily reduce the quality of the pill.
The weight of the pill is also important. Pills typically range from 200mg right up to 400mg in mass. Therefore, a 200mg pill at 40% purity (80mg) is actually a worse pill than the 400mg one at 30% purity (120mg). So with pills the overall purity is always influenced by the amount of binder present, but this is often misleading. Binder does not influence the quality of the pill, it simply adds bulk and binds the MDMA together.
Quality pills are those that are made with the highest purity MDMA powder possible and then contain a large dose of it - e.g. 140mg. If the ultimate overall purity is only 25% because they have used 420mg of inactive binder to produce a whopping 560mg pill then so be it. There is still 140mg of very fine MDMA in there, irrespective of what the lab analysis says is the overall purity.
Glucose is
not put into pills - period.
In Australia most pills contain MDMA and MDMA only. Caffeine is the most common additive. There is some meth and ketamine but it is low. There is some MDA but it is low.
Pills seem to contain from 20% up to perhaps 60% MDMA by weight of the pill. (Over 45% is extremely rare and 30-40% seems the most common) But the actual dose of the pill is governed by its mass. Dense and very hard pressed pills may weigh 350mg whereas another of seemingly the same size may weigh only 200mg. Purity considerations go out the door in this comparison - the overall dose is what is crucial, plus the purity (or "quality") of the MDMA that
originally went into that pill.
In terms of MDMA being sold as powder, that willl have similar variabilities to methylamphetamine sold in powder form. Quality is likely to be better and more consistent, given its more exclusive status. As discussed, there would be an upper limit on purity given its classification as an illicitly produced substance, as opposed to say ketamine, for which there is a readily available source of 99.9% purity.
And for this reason, MDMA pills (well made ones that is) are not of less quality than MDMA powder - they are of greatly less purity, in my example 50% less, but as the additive is
INACTIVE it makes no difference.
(P.S: I appreciate I have not provided references either, but I have no qualms whether anyone believes me or not. Take it with a grain of salt or take it with a big fat pill

It's up to you.)