I began to experience sexual exhaustion around January 2010. It definitely came about from my increased masturbation during my freshman year of college. my symptoms began with premature ejaculation that gradually progressed into occasional ED and then more severe ED. It seems clear to me that my parasymthetic nerves have been weakened and i wanna fix my body. Since finding out what has caused this i have stopped all masturbatory activity but still have sex once a week or so. However i will tell my gf we need to take a sexual break so that i can heal if u think that will help. I take 5HTP, GABA, Acetyl-L-Carnitine, Lechithin, Milk Thistle, Fish Oils, and multivitamins to help my body heal. I stopped talking L Tyrosine because i heard it wasnt that good for you. I have noticed some improvements and wake up most mornings with an ok erection, though not as powerful as it used to be. i was also begging to last longer but last week cummed in less than a minute again. I will do anything it takes to heal please any advice to my routine and supplements would be so helpful. I forgot to mention that I am 19 and as exercise i walk 5 miles a day and eat a healthy balanced diet.

ANSWER
It seems that you are on the right track there. However, as you may have noticed yourself, just random and not specialized supplementation frequently prove to be ineffective. There are various feedback mechanisms that will negate the progress or even worsen the condition. I would suggest to keep the 5-HTP and the GABA (make sure that are using the right formula to penetrate the blood-brain barrier). Should also add Alpha-AGH, Alpha-Amino, Multi-Alpha, and Ultra-Purified-FishOil. You may also want to consider making good use of testicle cooling procedures.

The combination will better the nervous and endocrine function, stabilize serotonin-GABA nervous modulation on inflammatory response, better hypothalamic-pituitary-adrenal-testicular axis proper functioning, stabilize acetylcholine, serotonin, dopamine, GABA levels, increase androgens, aid proper parasympathetic functioning, and increase
prostaglandin E1 E3 and NO for healing.