you will notice a big difference with n2jointrx, but you also gotta change what you are doing to strain your knees. might be time to leave the ego at home.
Also would like to add, that if you're planning on taking deca for joints, it's a temporary "feel good". It doesn't actually fix them, just makes them feel better while you are taking it.
I meant to also say MSM you can usually find the three together. And MSM also helps with not only joint but allergens and gut health. Not at probiotic levels, but it helps with leaky gut syndrome.