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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Side Effect Management
Not tolerating Test Prop?
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<blockquote data-quote="Cataceous" data-source="post: 192982" data-attributes="member: 38109"><p>There is a stacking effect when you first start, but you're using up less testosterone than you're putting in until steady state is reached, at which point on average you're using up the same amount that you're putting in. For example, suppose a eunuch has essentially zero serum testosterone. He starts injecting 10 mg per day of TE. Now suppose that after enough time passes this leads to steady serum T levels of 800 ng/dL. Assume the absorption rate of TE is about 13% per day. The first day after starting this protocol he will have used up 1.3 mg TE and serum T may be around 104 ng/dL. In the second day he will use up 1.3 mg from that day's injection plus 13% of the leftover from the previous day (0.13 * 8.7 mg), for a total second day use of 2.43 mg, and a serum level of around 194 ng/dL. This buildup continues with each passing day until the amount of testosterone used up each day matches whats being injected each day. This makes it easy to calculate how much unabsorbed TE is in his body at steady state: 0.13 * buildup = 10 mg. So the total buildup is 77 mg TE. In fact, you can use that factor of 7.7 to estimate the average buildup of TE or TC in the body. If a guy is injecting 100 mg TC each week then the average buildup of TC in his body is 100 mg / 7 * 7.7 = 110 mg TC. Because the dosing is weekly the buildup will vary considerably above and below the average over each week.</p></blockquote><p></p>
[QUOTE="Cataceous, post: 192982, member: 38109"] There is a stacking effect when you first start, but you're using up less testosterone than you're putting in until steady state is reached, at which point on average you're using up the same amount that you're putting in. For example, suppose a eunuch has essentially zero serum testosterone. He starts injecting 10 mg per day of TE. Now suppose that after enough time passes this leads to steady serum T levels of 800 ng/dL. Assume the absorption rate of TE is about 13% per day. The first day after starting this protocol he will have used up 1.3 mg TE and serum T may be around 104 ng/dL. In the second day he will use up 1.3 mg from that day's injection plus 13% of the leftover from the previous day (0.13 * 8.7 mg), for a total second day use of 2.43 mg, and a serum level of around 194 ng/dL. This buildup continues with each passing day until the amount of testosterone used up each day matches whats being injected each day. This makes it easy to calculate how much unabsorbed TE is in his body at steady state: 0.13 * buildup = 10 mg. So the total buildup is 77 mg TE. In fact, you can use that factor of 7.7 to estimate the average buildup of TE or TC in the body. If a guy is injecting 100 mg TC each week then the average buildup of TC in his body is 100 mg / 7 * 7.7 = 110 mg TC. Because the dosing is weekly the buildup will vary considerably above and below the average over each week. [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Testosterone Side Effect Management
Not tolerating Test Prop?
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