I won't link the article due to copywrite but I will copy and paste it.
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Why does tren destroy cardio and why do I feel like crap on it sometimes?
This article explains the reasons and gives you ways to combat this.
The first strategy to use is you can carry some glucose pills and pop them during cardio. Why do I need them during cardio?
Cardio will drop blood sugar, combined with tren that will pretty much cause a person to experience major symptoms of low blood sugar. When I used to run half marathons we would drink some sugary drinks or eat cookies every 4 miles as a precaution. I never actually experienced hypo because I was a carb machine during those days, lots of bananas, grapes after the runs and I was fine. At the time I didn't understand why it was necessary but now after running tren I get it.
I notice on Tren when I wake up, after a workout or generally if i don't consume enough carbs during the day and go to lay down my blood sugar is really low. Everyone on here who works out intensely or runs etc knows what low blood sugar feels like I would hope, and its not a pleasant thing. If it gets too bad you can end up in the hospital but it can be solved with consuming some sugars/carbs easily.
Definitely, especially at night a few hours after I eat my last meal with complex carbs. Remember, after insulin, Tren is the most anabolic compound out there.
What I'm trying to tell you is that Rren utilizes almost all the nutrients you put in your body (almost total absorption), including "carbs." That is why I stress anyone who trains to be a bodybuilder should eat complex carbs every 2-3 hours especially when on Tren, which acts on the liver to stimulate the formation of glycogen from glucose and to inhibit the conversion of non-carbohydrates into glucose.
In other words, Tren is going to use up the carbs you eat fast, which will "lower" glycogen levels; that is why you are getting "low blood sugar levels." I suggest, if you take tren to eat complex carbs throughout the day to be proactive as much as possible.
Sometimes I do "two" cardio sessions; one in the morning and one at night 1hr 1/2 before bed. The session at night almost knocks me out. I get off the treadmill feeling dizzy and faint, but as soon as I eat a protein bar I'm fine. This happens because of low glycogen levels.
People don't realize how powerful tren really is.
YES, TREN will definitely lower your glycogen levels, so eat your complex carbs throughout the day to be proactive as much as possible, that's all we can do. Again, Tren is nothing to mess with .
Also, keep hydrated when taking Tren, even more than you would using other 'aas' because it has some thermogenic property that dehydrates the body. Being dehydrated does the opposite it; When you become dehydrated, the amount of liquid in your blood is low in relation to the nutrients and waste products in the blood. Therefore, concentrations of glucose increase. As glucose levels increase, blood circulation through the capillaries, the smallest blood vessels, diminishes.
Increased blood glucose levels can cause fatigue, blurred vision, increased thirst and an increased need to urinate, and send us to the hospital, so keep hydrated.
Some of you might not get the low blood sugar symptoms as bad as others, but i've read guys complain about anxiety on Tren, and I am suspecting it's actually your symptom of low blood sugar but you just think its anxiety or it could be a combo.
I think a lot of guys react differently to low blood sugar. Many have anxiety which can be linked to low blood sugar, or just acting odd and not being themselves. Sweating is a big one - guys who say that it's 50 degrees and they wake up in a puddle of sweat. Especially INSOMNIA which is a side you hear with Tren all the time but I never have a problem since I get in carbs before bed.
Here is a list of hypo symptoms I pulled up and it matches a lot of tren complaints and I would be curious if anyone really does keep carbs at a minimum on tren yet doesn't experience any of these sides. I suppose its possible in some, but very rare. If you are a Tren user and read this list and half of these things are your symptoms then you might want to definitely up your carbs.
Symptoms you may have when your blood sugar gets too low include:
Double vision or blurry vision
Fast or pounding heartbeat
Feeling cranky or acting aggressive
Feeling nervous
Headache
Hunger
Shaking or trembling
Sleeping trouble
Sweating
Tingling or numbness of the skin
Tiredness or weakness
Trouble sleeping
Unclear thinking
I keep some fresh apple cider in my fridge. If I start feeling low sugar on tren then i drink some of that. It's a healthy way to boost my blood sugar. but its still consuming sugar unfortunately and not gonna help me shred up for a comp that I have in a few days.
Conclusion: My advice when taking Tren; eat complex carbs every 2-3 hours throughout the day and almost double your normal water intake.