It depends on how fast your body is susceptible to change. A few people report in days, others weeks and months. I can’t tell you how quickly it will work for you but I can tell you that if you just make it a part of your daily routine, and listen to it every single day, it will eventually bring the changes you desire. And you will definitely start seeing the changes as well.
Yes, there have been cases where it takes months to make permanent changes like make someone taller. You might be thinking that is way too long. But, at the end of the day this is a free alternative to medical treatments that will cost you a fortune. Would you rather pay for them or simply listen to these audios 2-3 times a day and get the same results?
But generally, it may take this long because of subconscious resistance to the audio fields. You can now listen to subconscious limitations dissolver audio and actually eliminate subconscious resistance to the audio fields and accelerate the process of change. You should also read and follow through with the advice in this article.