Should I use Prime One even if I'm in good shape and have little stress?

Yes, absolutely. Everyone has stress, even small children. There is no limit to well-being, and the cumulative benefits of Prime One may manifest in ways that you cannot see or feel. When your immune system is stronger, you are able to resist many potentially damaging conditions. No matter how productive or energetic you might be, you can attain a higher level of physical and mental capability on Prime One.