The phrase "assist you on your journey" is correct and usable in written English. It can be used when you are wishing someone success on a particular journey, whether it is a physical journey or a metaphorical one. For example, you could say, "I wish you the best of luck on your journey. May I be of any assistance to assist you on your journey?".
There are many other complementary options to Western medicine, such as acupuncture, herbal medicine, nutritional therapy and supplementation, exercise and meditation that can assist you on your journey.
The possibilities for technology to assist you on your health journey are endless.
"Dearest Louise," it reads, "Something to help you on your journey".
Research to help you on your journey.
This will help you on your journey.
Most will be happy to provide advice and direction which will help you on your journey.
Remember, their job is to help you on your journey with God!
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK