Mixed viewpoints out there regarding supplements, but I take collagen, fish oil and vitamin C daily. I find that if I skip taking them for a week I notice a bit more pain / less resilience after a strength training session.
I can't recommend any brand. The research is weak regarding oral collagen supplements. I'm planning to switch to vitamin C infused gelatin, as there's some research backing that up. https://www.ncbi.nlm.nih.gov/pubmed/27852613