1. Yes body can produce it again 2. drink 3-4litre water everyday, sometimes u may need supplements to increase synovial fluid 3.aceclofenac is an anti inflammatory tablet , to be taken after food 4.u can go back to gym again. When u can resume gym depends on your symptoms & physical  findings.

Need physical examination

Just continue your exercise Plenty of fluids

Consult me search browse on goggle practo website Dr Rajinder sharma senior Orthopaedic neurospine joint Replace surgeon ,42 years expertise chandigarh health Department Govt Multispeciality Hospital retired Chandigarh(U.T)

Usually, it is continuously produced in the joints. Sometimes, due to heavy exercises, it may cause local inflammation in the joint surfaces causing rubbing of cartilage part of the joint against each other. Your body will reproduce the synovial fluid and the joints will normalize once the inflammation subsides. Nothing to worry. If you feel the problem is persistent for a long time, you can take certain supplements which help in maintaining the cartilage strength and thus improve the joint quality. Medicines are usually neutrceuticals. They won't cause any side effects. You can go back to the gym once the symptoms settle down. Just take care not to over exercise, start the exercises and increase gradually over the days.

Need physical examination