Eggshell Membrane for Joint Health?

One of the newest supplements being touted for healthy joints is eggshell membrane, that fibrous sheath had holds the calcified shell together. Who knows if it really works; it is, however, based on the same idea as chondroiton, a popular and well-regarded supplement. Both cartilage and eggshell membrane are a type of connective tissue, so maybe these ads are on to something.

It also fits my guidelines for trying something new, among which are: It won't hurt you, it doesn't cost much or you can make it at home. You can pay $20 or more to try it ready-made, or you can do it yourself. This recipe includes the shell, which is a really good calcium supplement. Rinse eggshells well, then put in a baggie and freeze. When you get enough, cook shells (with membrane) for 10 minutes at 300 degrees F, spread out on a cookie sheet. Use a coffee grinder to grind them into powder. A 1/4 tsp. equals about 1000g of calcium. I use this supplement for my cats, and I use it also (I mix mine with cinnamon powder to mask the chalky taste). Can't get any cheaper than that, and you know it doesn't contain any contaminants!