It also appears to have a chemoprotective effect for post-menopausal women. However, by the same token, it is not advised for use with pregnant or lactation women because at higher doses flax may affect fetal reproductive development. Get the ones that do not have added sugars. The natural sugar found in milk or oatmilk does not present a problem. Adjust the amount of liquid to get the taste and consistency you like.
Some people forgo the juice and simply use more milk liquid.
Use one with no sugars. Naturade makes other options if you prefer all soy, or vegetable to all whey. If you don't like the grittiness of them, put them in the blender first and pulverize them. Do not use whole flaxseeds because they are not digestible. You should not use it more than once a day.