Mike Arnold:
Trenbolone itself has not been proven to be any more toxic to the kidneys than any other non-methylated AAS.
If this is the case, then why do we occasionally hear of some people reporting kidney issues? Basically, all injectable steroids result in some type of kidney stress, but it is so mild that it is basically irrelevant and hardly worth our consideration. Even if Tren itself demonstrates a slightly higher degree of kidney toxicity than other injectables (although there is nothing in the literature to suggest this), it would be considered mild and nothing capable of causing kidney "damage". OTC anti-inflammatories are much more injurious to the kidneys than trenbolone...capable of causing kidney failure if abused, yet most of the people who gobble up Ibuprofen every day do not encounter any issues.
Aside Tren itself, there are other potential risk factors we need to take into consideration. One should remember that for many years, a very large number of Tren users were converting fina pellets into injectable Trenbolone. While most people were fine with this from a health standpoint, the special "solution" found in the tren kits frequently contained an excessive amount of additives....not to mention it is impossible to filter out all the polutants found in the extremely unsterile pellets. Another factor is that we need to take into consideration is that most Tren is produced by UGL's...and often, depending on where your Tren is bought, the product can be filled with polutants. Of course, other UGL products would be subject to this same problem, but we cannot rule out the possibility that some reports of kidney damage with tren usage have nothing to do with Tren at all and were simply due to poor manufacturing. At other times, it might simply be a case of mistaken identity, wher the individual just assumes their kidney strain is from Tren, when it could have been due to another cause altogether, such as anti-inflammatory usage. Since steroid users have been taught to believe that Tren is the cause of kidney problems, it is easy to see why many people would automatically assume that Tren is the culprit, regardless of whether they have any evidence to substantiate this belief.
The #1 cause of kidney issues in steroid users is due to high blood pressure. High blood pressure, especially when kept elevated for an extended period of time, can cause tremendous damage to the kidneys....and guess what, Trenbolone frequently causes high blood pressure. Not everyone will experience elevated blood pressure when using Trenbolone, as personal response can be so varried, but many do...and if left unattended, it can easily result in kidney strain/damage.
So, it seems to me that Tren itself is NOT the direct cause of problem...and might not play any role at all...or at best, is only a mild aggravator. On the other hand, we do know that Tren can indirectly cause kidney strain (in some cases) through its ability to cause high blood pressure...and when combined with the other possible risk factors mentioned above (Tren-kits, UGL polutants, Tren being a potential aggravator, other contributing drugs, case of mistaken identity, etc) it is not hard to see why some Tren users have reported this problem and blamed it directly on Trenbolone.
Personally, I have NEVER heard of anyone experiencing kidney strain with Trenbolone when their blood pressure is maintaned and they are using high-quality (or pharm-grade) versions of Tren.
It's an interesting read, but I can't say how reliable it is without the use of scientific studies.
I question how much BA really damages the kidneys in the long run. Studies that mention how nephrotoxic the stuff is are using insane dosages that are no where near what BB's use in long term injectables abuse. It's the same argument with cabergoline causing long-term damage despite the fact that BB'ers use significantly less than doses used in studies.