alright, I just got the thought when reading about elbow protectors.

I would caution with giving advice for taking vitamins and other supplements as a non-MD. Medical advice based on a sample size of N=1 is not a good idea. Apart from clear harmful vitamin deficiencies, studies show mixed results on the benefits of vitamins supplements.

Your a long time dead - to do 80 hour weeks except in an emergency for very short periods 1-2 weeks max is not good health wise.