What if you just like powerlifting but don't want to compete or be a "serious athlete"?
Why are you here?
What are your numbers looking like? Pulling weight requires a lot of mental strength, there is a guy who is much stronger than me in every aspect but cannot DL more than 500, he has this huge mental block.
iForce's Joint Help may be best for your situation, as paractin is a cox-2 inhibitor (anti-inflammatory).
Antaeus Achilles also has one ingredient in particular has awesome data where longterm use is concerned