Qingdao Sigma Chemical Co., Ltd (International, US, EU, Canada and Australia domestic

[Spaceman Spiff]

I think I read that oxidation can lead to the darker color as well.

On the subject, I have some sealed Tren Ace in a box in a closet I just looked at for the first time since late last year and I swear it used to be a few shades lighter. But maybe my memory is shit.

i am never sure about so many of these claims. the reason why I say it is cause the trenbolone raws are also exposed to air quite a bit. but for some reason when they are in a vial we are worried about oxidation?

 

[Anonymous member 154437]

i am never sure about so many of these claims. the reason why I say it is cause the trenbolone raws are also exposed to air quite a bit. but for some reason when they are in a vial we are worried about oxidation?

Idk what it is but it seems to be the china oils that darken after being opened from what I’ve seen

Nothing I’ve made has darkened after being opened and used

So I think it has to do with quality somewhere along the line

 

[Photon]

Idk what it is but it seems to be the china oils that darken after being opened from what I’ve seen

Nothing I’ve made has darkened after being opened and used

So I think it has to do with quality somewhere along the line

Ive seen some pharmaqo vials remain bright clear yellow even after 3 years..and some tren vials turn multiple shades darker in less than a year..not sure why either...

 

[SpaceForce]

i am never sure about so many of these claims. the reason why I say it is cause the trenbolone raws are also exposed to air quite a bit. but for some reason when they are in a vial we are worried about oxidation?

If it's true, then maybe something to do with a chemical change to the tren molecule effectuated by the heat or some other part of the brewing process?

Pure speculation I just pulled that out of my ass. I need a chemist.

 

[Sera]

Did a little digging maybe you have Mast P instead ? ?
There are no Test esters with clear or white tops from Nov-Dec 24, or maybe I just can't find it...

Post in thread 'Qingdao Sigma HPLC testing'

Dec 28, 2024

HPLC :
https://janoshik.com/tests/54255-Test_e_6Q7KLJVG6211
https://janoshik.com/tests/54256-Test_c_ZXLKF8IDJFEN
https://janoshik.com/tests/54259-Tren_a_QZPM5NGW2MR4
https://janoshik.com/tests/54260-Sustanon_FQHS7B2TXVMF
https://janoshik.com/tests/54557-Primo_200_DF9YNWIXT2I1
https://janoshik.com/tests/54558-Primo_100_SWALP8MXLJH4
https://janoshik.com/tests/54554-NPP_JLA6GCAUEU23
https://janoshik.com/tests/54542-Mast_P_9IIFQWT62NDV
https://janoshik.com/tests/54533-Test_Phenylprop_EXXCHBEN71I2

Sterility tests:
https://janoshik.com/tests/54271-Test_e_ZYEXDKTQH64V...

• Qingdao Sigma Chemicals

• 
• 

Doing 250mg mast p only would probably feel like shit for sure

 

[Trainedbytylerlofthouse19]

Hey, I ordered a Test E kit back in Nov-Dec 2024 (from International warehouse iirc), i received some transparent-white capped bottles (pic rel) and this stuff almost sent me to God. This is NOT Testosterone Enanthate or if it is, it's highly contaminated with something else. I recovered a lot now but I might have some permanent damage (need more tests).
Making this post to warn you guys to always test stuff before you inject it in your body or you will learn the hard way.
Would also like to know from QSC if they have any idea of what this stuff is that they sent me.. or if there's someone who could test it for me as I have no experience in doing tests.

I currently got 3 kits left and already used 2 between myself and others.. Absolutely no trouble here

 

[5thGen]

Took a chance, rolled the dice
Ordered
2 x 10mg Reta kits
1 x 20mg BPC KIT

anyone, since the return , ordered either one and receive ?!

 

[pheno609]

I think someone hear mentioned moisture in tren raws from the air and that you need to brew at a lower temperature for longer periods to remove any potential moisture. Theres probably a bunch of things that can probably cause oxidation from air quality to raw quality. One thing everyone agrees on though is that tren is particularly vulnerable to oxidation. Janoshik might be able to paint a better picture as to why it occurs because he is a specialist. (I think he might have already covered this in a previous thread somewhere)

 

[Ghoul]

Idk what it is but it seems to be the china oils that darken after being opened from what I’ve seen

Nothing I’ve made has darkened after being opened and used

So I think it has to do with quality somewhere along the line

It's because of dissolved oxygen in the oil.

Some gets dissolved into the oil from the vial headspace when the vial is shaken.

Then, every time you draw a dose, small bubbles move through the oil adding more dissolved oxygen into the oil, acting as fuel that oxidizes, "burns" the Tren.

Poor quality Chinese oils have high levels of free radicals that act as catalysts speeding up oxidation.

High quality MCT has the lowest levels of free radicals so oxidation happens much more slowly.

IE, Migloyl has a PV (peroxide value) of .15 , lowest grade of MCT could be 10. All other things being equal the cheap MCT would oxidize 60x faster than Migloyl pharma grade MCT.

 

[ineffectual]

Took a chance, rolled the dice
Ordered
2 x 10mg Reta kits
1 x 20mg BPC KIT

anyone, since the return , ordered either one and receive ?!

I have ordered twice since the return and recieved. Much better experience than ssa so far.

 

[Photon]

It's because of dissolved oxygen in the oil.

Some gets dissolved into the oil from the vial headspace when the vial is shaken.

Then, every time you draw a dose, small bubbles move through the oil adding more dissolved oxygen into the oil, acting as fuel that oxidizes, "burns" the Tren.

Poor quality Chinese oils have high levels of free radicals that act as catalysts speeding up oxidation.

High quality MCT has the lowest levels of free radicals so oxidation happens much more slowly.

IE, Migloyl has a PV (peroxide value) of .15 , lowest grade of MCT could be 10. All other things being equal the cheap MCT would oxidize 60x faster than Migloyl pharma grade MCT.

I think Sampei has MCT with peroxide of 0 COA.

Oh his is Mig812. I'm using Mig840.

Post in thread 'MESO "Specialized" Testing Group Fund'

Aug 16, 2025

I just checked the COA of my latest batch of MCT oil I'm using: Peroxide value by pharmacopeia need to be below 1.0 - present value of this batch is: 0.0



Attached COA for reference
@readalot

• Sampei

• 
• 

 

[Ghoul]

I think Sampei has MCT with peroxide of 0 COA.

Oh his is Mig812. I'm using Mig840.

Post in thread 'MESO "Specialized" Testing Group Fund'

Aug 16, 2025

I just checked the COA of my latest batch of MCT oil I'm using: Peroxide value by pharmacopeia need to be below 1.0 - present value of this batch is: 0.0



Attached COA for reference
@readalot

• Sampei

• 
• 

Migloyl says PV increases about .5-.75 a year in room temp storage. That batch is 2 years old, so PV of 1-1.5 is likely.

Still, cheap MCT goes from PV 1 at manufacture, to PV 10 a year later, by comparison.

 

[Spaceman Spiff]

Migloyl says PV increases about .5-.75 a year in room temp storage. That batch is 2 years old, so PV of 1-1.5 is likely.

Still, cheap MCT goes from PV 1 at manufacture, to PV 10 a year later, by comparison.

OH look, you do see the thread that we were tagging you in.

I was afraid there was a bug in the system.
Can you respond to it? We have been waiting

you seem to keep creating a bunch of hypotheticals here with no real data collection

 

[Ghoul]

i am never sure about so many of these claims. the reason why I say it is cause the trenbolone raws are also exposed to air quite a bit. but for some reason when they are in a vial we are worried about oxidation?

Tren raws are crystallized. Only a layer a few atoms thick is exposed to potential oxidation and the vast majority are protected within the lattice.

When it's dissolved in oil. every molecule is separated, exposing all the sensitive parts to the dissolved oxygen that's present in all carrier oils.



That's how it works. It's not a theory that needs to be proven.

Dissolved:



Dry:

 

[ineffectual]

until they read my comment. it'll be $500 by 10pm lol. it is a great deal based on the pricing of the compounds within the blend. *Their pricing

sad to hear its bad on the pip though. i may grab a kit. I was thinking to get a kit of tren A, but the price on that blend hmmm. Had i not just gotten some mast it would be an absolute no-brainer

How would you run this kit?

 

[Anonymous member 154437]

How would you run this kit?

A ml a day

 

[Spaceman Spiff]

Tren raws are crystallized. Only a layer a few atoms thick is exposed to potential oxidation and the vast majority are protected within the lattice.

When it's dissolved in oil. every molecule is separated, exposing all the sensitive parts to the dissolved oxygen that's present in all carrier oils.

View attachment 343781

That's how it works. It's not a theory that needs to be proven.

Dissolved:

View attachment 343780

Dry:

View attachment 343782

What? Where are you pulling your information from dipshit?


How are you able to find this information not post a reference.


But then somehow you're able to ignore the tags that discuss specialized testing. You're pathetic

 

[Tr3nbal0n3]

Ohhh Tracy I missed you so much HAHAHA. I haven’t been on the forum in a while and I came here and just figured out Qsc is back

 

[TheDieselZ]

QSCs tren a and tren e were both tested recently and both were 98%+

Was the brown tren e sent in for testing

 

[pheno609]

Was the brown tren e sent in for testing

I dont think finished oils were tested in the thread i was reading except test c. And i think the person who sent it for testing brewed his own from the raws he got. What had me second guess the tren a is that tracy sent me a pic of bright golden oil. Then someone posted here and what they got was brown/black tren e. I wouldve preferred him say he didnt have any recent pictures than to decieve me into buying something tbat i wasnt expecting. Especially because his prices arent too much less than domestic sources that i know have bright golden oil that hasnt been sitting in a warehouse for the past year