Yes – many people take both supplements together with great results. Both glucosamine and cod liver oil are great for joint health, and so are often taken together. Both supplements are also well researched, well tolerated by the body and are extremely safe. In fact, many doctors will recommend you take them together, because they have been shown to work well together!
Glucosamine comes in 2 different forms, and has been shown to work well with a number of supplements, including cod liver oil, chondroitin and MSM. You can read more about the different supplements glucosamine works well with here.
Cod liver oil as a supplement is a lot more diverse and complicated than glucosamine. It can be extracted, processed and sourced in a variety of different ways, meaning the quality of the final product can vary dramatically. To see how various cod liver oils compare, you can read our fish oil comparison.