Yes and no! Chiropractic helps to restore normal function to the body, but it is not specifically “boosting” the immune system or making the immune system a better version. However Chiropractic restores optimal function of the nerve system, meaning that the immune system can work as best as possible.
Think of this like the engine in a car. If the car has a problem, fixing it doesn’t “boost” the car it just restores it to its normal abilities and functions. This is the same for Chiropractic. Chiropractic care will not change how the immune system works, but will allow the body and immune system to work properly.