ATHLETES: Overtraining can seriously affect performance. Researchers have identified several short term key markers that result from overtraining, including "impaired anaerobic lactic acid 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.
A 2010 study revealed that a decrease in T explained much of the loss in phase III and IV sleep, or "deep sleep" that is characteristic of aging males.  At age 50, men spend 5-7 percent of their sleep time in Phase III and IV and by age 60 it is nearly zero or nonexistent. Young men, on the other hand, spend 10-20 percent of thier total sleep time in these stages due to neuronal integrity and abundant testosterone levels..
*Best On The Market* No. 2 Prime Male No. 3 UPSURGE My Results Supplement Website Visit Site Visit Site Visit Site Capsules Per Day 4 4 6 Shipping Global
(From USA & UK) Global Global Manufacture location USA & UK USA & UK USA Guarantee 90 Days
(With 3 Box Deal) 90 days
(on selected purchases) N/A Ordering process Direct from manufacturer Direct from manufacturer Direct from manufacturer Natural & Legal Yes Yes Yes Proprietary Blend No No No Price & Payment $ (multi-buy offers available) Pay via paypal or 9 currencies $ (multi-buy offers available) via paypal or 4 currencies $ Suitable For Bodybuilders, strength training Strength training, older guys Strength training, stamina Full Review Read Review Read Review Read review