How to calculate half lives
Basically every drug has a half live, steroids included. If for example, you
were to inject 200mg of Decadurabolin once weekly, for 6 weeks, how would you
know when you were "off"? Would you be "off" when you had
finished your last dose? You would be able to calculate this from the half live
of Deca. The half live of Deca is around 14 days. This means that 14 days from
your last shot of 200mg of Deca, your blood levels of Deca will contain
100mg of the steroid. Another 14 days from then, . 28 days from last dose,
your blood levels will contain 50mg of the steroid. This amount then keeps halving
every 14 days. Therefore you can clearly see that when you finish your cycle,
even though you are not putting any steroids into your body, you may think that
you are now "off", however you still have, and will still have for
some time after your last dose, "active" blood levels of the steroid.
Therefore you can plan what to use, how long for, and how long off your cycle,
based on these half live's.
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While we don't condone the use of steroids, we do try to put the best information out there for those individuals who have made the choice to use steroids as part of their bodybuilding regime. Please be aware there are a many number of negative side effects caused by using steriods. One of our most frequely asked questions is how to minimise hair loss. Steroids can cause an increase in DHT; this is the main hormone respomsible for thinning hair and causing hair loss. There are pharmaceutical treatments available that block DHT, such as proscar. One of our top picks for thinning hair is to use some of the best hair thickening shampoo for men or some of the best shampoo for thinning hair .
Due to its chemical structure nandrolone is weakly exposed to aromatase (only 20% of the aromatizing activity of testosterone). However, not estrogenic effects are its main concern: nandrolone has a potent progestogenic activity (20% of progesterone). While binding to progestogenic pituitary receptors nandrolone causes increased production of prolactin, which in effect is very similar to estrogen: its effect presents in reducing testosterone production, increasing fat mass and in gynecomastia. To prevent these side effects prolactin inhibitors (cabergoline) shall always be at hand when on nandrolones cycle.
The intravenous route is not FDA approved and is generally not recommended except when no other alternatives are available. Intravenous administration appears to be associated with a higher risk of QT prolongation and torsade de pointes (TdP) than other forms of administration. The manufacturer recommends ECG monitoring for QT prolongation and arrhythmias if IV administration is required. A dose in the range of 1 to 5 mg IV has been suggested, with the dose being repeated at 30 to 60 minute intervals, if needed. A maximum IV dose has not been established. The lowest effective dose should be used in conjunction with conversion to oral therapy as soon as possible.