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Testosterone and Overtraining

A low testosterone guy needs to be careful about his training program: study after study has shown that overtraining significantly reduces testosterone levels for 1-4 days afterward! And, by the way, it doesn’t matter whether it’s endurance or weight training – the downward effect on testosterone levels is the same.

Then why do the body building and exercise magazines say that testosterone is increased with intense exercise? Many studies have shown that after intense exercise, testosterone levels are elevated for about an hour. Both weight lifting and endurance exercise like running and biking will produce this phenomenon. What the mags don’t mention is that this effect is due almost entirely due to "hemaconcentration" and "decreased clearance" which is a polite way of telling you that the increase in testosterone is NOT coming from your testes (or adrenal glands).

Now it is important to note that Weight Training Can Boost Testosterone in the long term if done correctly.  In addition, there are other GREAT reasons to exercise, such as dramatically improving your erectile strength and rebuilding your brain. For details, see this Sexercise link.

 However, many of us males have to admit that we often overdo things and overtraining is a prime example.  Again, it will lower your testosterone for days afterward and overtraining is also known for killing your immune function.  Several recent studies have come out showing that overly intense exercise whacks your bodies ability to fight colds and infections.  [1]  This is bad for many reason, but especially because it is self-defeating.  One cold or flu can keep us out of the gym for a week or longer. 

One study on rats found that overexercise slammed immunoglobulin-A. [5]  And another researcher pointed out that overtraining can lead to "reduced catecholamine excretion, frequent illness, disturbed sleep and alterations in mood state... decreases in neutrophil function, serum and salivary immunoglobulin concentrations and natural killer cell number and possibly cytotoxic activity in peripheral blood". [6] Some have even speculated that chronic overtraining and the ensuing compromised immune system could lead to cancer. This is nasty, scary stuff!

Overtraining will, by the way, likely whack your sperm count while it's at it.  Spanish researchers found that sperm levels went down by 50% on young, healthy cyclers. [2]  (It took three days for sperm levels to return to normal levels.) No telling what it does to us "more mature" guys!

Do you know the foods and drinks that increase erection-boosting Nitric Oxide? Check out the Peak Erectile Strength Diet where I show you how to dramatically and naturally improve your erectile strength.

Intense training has even found to effect the liver in healthy men!  Researchers found abnormally elevated levels of many critical liver proteins. [3] Of course, that's not to say that intense excercise will kill you:  but it does point out that intense excercise stresses the body in ways that we do not even understand yet.  I also mention it because if you are on HRT, they should test liver function.  If you get an abnormal reading, you may want to go easy on the workouts and get retested. hers recently found that, at least in women, moderate levels of exercise were helpful for long term memory and cognition, but strenous, long term exercise (such as marathons) were actually damaging to long term memory! [3] Of course, it could be some unknown factor in these women's lifestyle, but the odds are that elevated cortisol is wreaking its usual havoc on the brain in this case.

If you want to do intense workouts, I highly recommend SLOWLY building up.  Personally, I have found that the key (for me) is to start with a moderate workout and then slowly increase the intensity as the weeks go by.  This gradual pattern does not seem to disturb my testosterone levels or libido.

ATHLETES:  Overtraining can seriously affect perfromance.  Researchers have identified several short term key markers that result from overtraining, including "impaired anaerobic lactaid perforance and a reduced time to exhaustion". [7] The same study discusses many other soon-to-follow issues including problems with uric acid levels, ammonia, creatine kinase, free testosterone/cortisol, growth hormone and so on. More subjective issues include excessively sore muscles and sleep and mood disorders.  Again, overtraining is real and leads to real physiological issues.

REFERENCES:

1) Jour Appl Physio, 2007, 103:693-99

2) JAMA. 2006;296:2307

3) British J Clin Pharm,2008, 65:253-259

4) Alzheimer's Association 2009 International Conference on Alzheimer's Disease, Vienna, Austria, July 11-16, 2009. Mary C. Tierney

5) Scandanavian J Med Sci Sports, 2008, 18:367-372

6) Immunology and Cell Biology (2000) 78, 502–509; "Overtraining effects on immunity and performance in athletes", Laurel T MacKinnon

7) Sports Medicine, Feb 1 2002, 32(2):95-102, "Diagnosis of Overtraining: What Tools do We Have?"

 

CAUTION: If you have a medical condition or are on any medications, please discuss any changes with your doctor first. Certain supplements, foods and even juices can alter absorption rates of certain medications for example. Play it safe.

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