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Primo Dosage

Chados said:
Okay I see what you're saying.. Well wether this is true it should still be fine injecting twice a week or every 5 days let's say.. It doesn't really matter that much a day here and there in terms of gains.
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The most frequently I pin test e, cyp, sust is once every 5 days. But once a week does the job. Especially with sust
 
Bintherduntht said:
You're saying the half life of test cyp is 5 days? This must be new research because for the past 50-60 years its been 12
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I quote: "A different list of half-lives is often copy and pasted on various sites, claiming that, for example, the half-life for the propionate ester is 4.5 days and that the half-life for the enanthate ester is 10.5 days. This list is incorrect, and is the result of flawed calculations by Bill Roberts many years ago. See the "References" section for more information."

"Turns out, this list is completely wrong, and was apparently based on some flawed calculation of carbon atoms by Bill Roberts many years ago. Not only is it wrong, it's really wrong - in some cases, half-lives are off by over 150%."

Study: Behre HM, Nieschlag E. 1998 Comparative pharmacokinetics of testosterone esters. In: Nieschlag E, Behre HM, eds. Testosterone: Action, Deficiency, Substitution, ed 2. Berlin: Springer-Verlag; 329–348.

You can see clearly on the graph from the study, the serum testosterone concentration spanned in hours. They actually drew blood and measured what T levels were, not just calculated...
 
Chados said:
Well it should be around 7-10 somewhere but even if you go 12 I don't see it being that much different. It's like icing on the cake to do it perfectly but don't expect to gain 5 more pounds because you inject a day earlier. The two weeks is pretty much when the drug is leaving your system
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I highly doubt the half life of cyp is 5 days. No way. Pinning a long ester too frequently IMO is a waste..
 
Jinsun said:
I quote: "A different list of half-lives is often copy and pasted on various sites, claiming that, for example, the half-life for the propionate ester is 4.5 days and that the half-life for the enanthate ester is 10.5 days. This list is incorrect, and is the result of flawed calculations by Bill Roberts many years ago. See the "References" section for more information."

"Turns out, this list is completely wrong, and was apparently based on some flawed calculation of carbon atoms by Bill Roberts many years ago. Not only is it wrong, it's really wrong - in some cases, half-lives are off by over 150%."

Study: Behre HM, Nieschlag E. 1998 Comparative pharmacokinetics of testosterone esters. In: Nieschlag E, Behre HM, eds. Testosterone: Action, Deficiency, Substitution, ed 2. Berlin: Springer-Verlag; 329–348.

You can see clearly on the graph from the study, the serum testosterone concentration spanned in hours. They actually drew blood and measured what T levels were, not just calculated...
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I guess... I'm gonna keep pinning my test once a week though. I get great gains off it, never need more and save some mulah
 
I think cyp is a little shorter than enthanate so this is my take on it. Cyp has 10 days to leave your system give or take, pinning every 5th day would be fine. Enthanate has about 14 days to leave the system making every 7th day possible to pin.

Now granted enthanate could be dosed two times a week for blood levels same with cyp. So out of 7 days one would go Mon Thurs.

Prop would be eod.. Mon wed Fri Sun Tues Thursday etc.. Prop days woukd be different days every week because of this eod system

This is pretty much purely for blood levels and not gains
 
E has an elimination half life of 110 hours (4.5 days) with a serum peak level at 12 hours. Prop is much much shorter. Prop should be pinned ed or twice a day for optimum serum levels. It's all in the table above, no need to guess :) That's actual science, not just internet bro lore :)
 
Chados said:
I think cyp is a little shorter than enthanate so this is my take on it. Cyp has 10 days to leave your system give or take, pinning every 5th day would be fine. Enthanate has about 14 days to leave the system making every 7th day possible to pin.

Now granted enthanate could be dosed two times a week for blood levels same with cyp. So out of 7 days one would go Mon Thurs.

Prop would be eod.. Mon wed Fri Sun Tues Thursday etc.. Prop days woukd be different days every week because of this eod system

This is pretty much purely for blood levels and not gains
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For the longest time I believed cyp was longer! It feels like it's a steadier/longer lasting test compared to e. I hate e. Will only take cyp and sust
 
Jinsun said:
E has an elimination half life of 110 hours (4.5 days) with a serum peak level at 12 hours. Prop is much much shorter. Prop should be pinned ed or twice a day for optimum serum levels. It's all in the table above, no need to guess :) That's actual science, not just internet bro lore :)
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Is this for primo specifically? Enthanate will still be in your system and you can tell by getting bloods
 
Bintherduntht said:
For the longest time I believed cyp was longer! It feels like it's a steadier/longer lasting test compared to e. I hate e. Will only take cyp and sust
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Nah its supposedly a bit faster.. Anyways it doesn't matter, they will both produce equal gains. In theory enthanate should be more anabolic due to a longer ester but its so little that you won't notice
 
Chados said:
Is this for primo specifically? Enthanate will still be in your system and you can tell by getting bloods
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No an ester is an ester. Primo enanthate would have the same release time as test enanthate. I only ever pinned primo once a week. Got great results
 
Chados said:
Nah its supposedly a bit faster.. Anyways it doesn't matter, they will both produce equal gains. In theory enthanate should be more anabolic due to a longer ester but its so little that you won't notice
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I notice a big difference between enanthate and cyp. But that's just me. Cyp lasts longer for me and is steadier
 
Bintherduntht said:
I notice a big difference between enanthate and cyp. But that's just me. Cyp lasts longer for me and is steadier
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Could be the brand perhaps? I do notice difference between brands alone sometimes.. Guess some are underdosed a little or I'm getting bigger haha
 
Bintherduntht said:
No it's the same brand I've been getting for years now. My guy is always legit
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That's interesting and not the first time I hear it. The science tells us that the longer the ester the more anabolic but also more water so I think there can be a little confusion from what you see vs what you actually get. There's definitely a reason to run a longer ester and switch to a shorter before a contest as an example.

Again its so little difference that I don't really notice anything myself but if you do maybe cyp is a more pleasant one
 
I think primo dosage should be about 110-120% testosterone dosage for LBM gains.
 
250mg test and 400mg primo should be equal to 5-600 mg test cycle as far as lbm gains. With much less sides and need for ancillaries such as finasteride and an aromatase inhibitor.
 
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