The best way to know how much of anything, and whether or when something is good for you ( since "at this time" is not the same as at another time), to test any supplement, any truth, etc. is to ask Nature for true answers and to
be willing to hear them, and then learn the simple approach to muscle-testing (applied kinesiology taught step by step on the Perlandra webiste, with pictures.
Google Perelandra, and then click on education. this is a simple process. It's nothing but a tool, like learning to hold a pencil and write, so that you can translate at a bodily level, what you know at the level beyond the body.