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Old 02-26-2004, 10:14 PM   #1
SweatMachine
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Why Insulin works:

Why Insulin works:
Androgen/Insulin Synergy
By Michalovich Greutstein
Should anabolics be used with insulin or is it best to use insulin while off steroids in order to hold onto muscle mass?
We are going to demonstrate that they have to be used together. We will also try to provide some clues about their respective contribution to the synergy both hormones create. This will help us to handle both drugs better.
Here are some general observations:
It is safe to conclude something else is needed to uncover the full anabolic effect of steroids. The hormone which is the most affected by a high calorie or by a low calorie diet is insulin. Also, heavy steroid users know that past a certain amount of steroids, adding insulin will make a big difference as far as muscle gains are concerned. Insulin is thus a strong candidate as a potentiator of anabolic steroids (which we will indiscriminately refer to as androgens, steroids or anabolics). Furthermore, studies performed in trained dogs have shown a lack of insulin completely negates the anabolic effects of steroids on protein synthesis. There are some easy hypotheses such as a possible androgen receptor up regulation, a stimulation of androgen secretion, an antiaromatase effect arising from insulin. But, there is still something missing.
Using anabolics plus insulin will not make you much bigger unless you weight train. The synergy can only be realized if insulin + steroids + training are present. What is the link between those three factors?
A very likely candidate is an enzyme called insulinase. As its name implies, it is an enzyme responsible for the destruction of insulin. But we are going to see it does much more than that.
It is found inside many tissues of the body, particularly in muscle. What science is telling us is that insulinase is essential for insulin to provide its anti-catabolic effect on our muscles. It is also likely that insulinase is able to multiply the anabolic effects of androgens. It's worth repeating: insulin cannot stop protein catabolism without insulinase and the effects of steroids are potentiated by insulinase. It sure looks good.
Androgens are very powerful stimulators of the muscle protein synthesis rate. On the other hand, the muscle gains provided by androgens do not match this elevation in synthesis. steroids promote anabolism to a much higher rate than they make our muscles grow.
The reason for this discrepancy is that they also stimulate protein degradation. I know many people think they are anti-catabolic, but it is not the case. Anabolics stimulate protein turnover. This means they increase both synthesis and degradation of proteins. They are simply more effective at stimulating synthesis than degradation, which is why they make our muscles grow but not at a super fast rate. Look at how long it takes to grow huge muscles. If androgens were stimulating synthesis while inhibiting degradation, one would grow very, very quickly.
This is where insulin comes in. As we said, it mostly reduces protein degradation rate. It might stimulate protein synthesis right after training, but this effect is very limited in duration. Ideally, using insulin along with steroids would allow us to accelerate synthesis (thanks to anabolics) and reduce degradation (thanks to insulin). This is the best way to grow muscle fast.
Unfortunately, as both insulin and anabolics need insulinase to work better, they will compete against each other for this enzyme. For natural athletes, the supply of muscle insulinase should roughly meet the demand. Now if you add anabolics, there will be less insulinase for insulin. If you do not take too high a dose of steroids, the level of insulinase should still be sufficient to allow a fair insulin-induced anti-catabolism.
But as you take more steroids, the insulinase available for insulin will be lower and lower.
Insulin will lose its anti-catabolic effect. As it will still bind some insulinase, the enzyme availability for steroids will not be optimal either. Anabolics will lose some of their potency.
What is important to understand is that past a certain dose, anabolics will provide their own antidote against muscle growth. The only solution (beside using less steroids) is to increase insulinase level.
At least two factors can accomplish this feat:
The first one is insulin itself. The higher the insulin level is in a target organ (muscle for example) the higher the insulinase level will be. You would expect that the body would detect the shortage of insulinase for insulin and so produce more insulin (or more insulinase).
Unfortunately, this does not seem to be the case. While insulinase is crucial for the anti-catabolic effect of insulin, it does not seem as important for glucose disposal.
Insulin's main function is not to assist in muscle growth but to control glucose homeostasis. As a result, it is likely our body does not really care about a relative shortage of insulinase. In any case, we are left with a less than optimal equilibrium. It is up to the bodybuilder to react to this imbalance.
One way of increasing insulin secretion is to eat more, but you can only do so up to a point. You cannot increase your carb intake in parallel with the amount of steroids without getting too fat. Another solution is to use drugs to add or to stimulate insulin secretion. This way you get the insulin without the excess of calories.
In any case you now understand why steroids work better while on a high calorie diet while they lose their potency during a diet or a shortage of insulin.
Here is a way of "artificially increasing insulin level": One dose of long acting insulin first thing in the morning (this is the only injection). Before each meal (except the pre-workout one), take a sulfonylurea (an oral anti-diabetic drug which will boost food induced insulin secretion ). I like Glipizide because of its short half-life. In case you experience hypoglycemia, you know it will not last. This is the main problem with the long acting sulfonylureas. When you are hypoglycemic, you try to compensate by absorbing carbs. But the drug will make your pancreas secrete even more insulin before the carbs can hit the blood. It makes the hypoglycemia worse - not better.
In case of problems, make sure you get some ready-to-inject Glucagon (sold as "insulin emergency kits" in drugstores). An additional benefit of the Glipizide is that it induces the release of GH on top of insulin which is beneficial for non diabetics.
This is a nice way to fix the reduced anticatabolic property of insulin. Unfortunately, this will not yet provide the optimal amount of insulinase to have steroids work better.
We said that training was the third key ingredient in this synergy. This is because training can stimulate insulinase activity. Not any exercise will do. The traumatic ones inducing muscle soreness are the most effective. It is the factors inducing soreness which will trigger this increase in insulinase.
On the other hand, you do not want to create too much soreness as it will temporarily reduce the effects of insulin and androgens by impairing their effects at the level of their respective receptors. What you want is mild but frequent soreness along with some very frequent pumping sessions.
Do not forget both androgens and insulin circulate in the blood. The more blood you get into the muscles (and the longer it stays), the more your muscles will be "drenched" in those two hormones. Please note that insulinase is produced locally in the trained muscles only. It does not circulate into the blood.
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Old 06-14-2016, 09:21 AM   #2
13B-T
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New to insulin and don't plan on experimenting with it till around September or so. What do you think of the updated Mike Arnold's protocol of Humulin R pre workout with one shake intra and whole food post. (Intra shake, hydro casein? (pepto pro) or hydro whey with glutamine, vit c, creatine and a waxy maize or high molecular weight carb source.)?

Could this work while on a deficit and make sure to just work carbs around training and insulin use?
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Old 07-22-2017, 02:14 AM   #3
dylan.svederus
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Interesting read!!
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Old 08-24-2017, 12:19 PM   #4
robart.hughes
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filled in a few prices of the jig saw for me with those post
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