Needles should be changed frequently and as necessary
Sikiric P., Seiwerth S., Rucman R., Drmic D., Stupnisek M., Kokot A., Sever M., Zoricic I., Zoricic Z., Batelja L., et al
Their bodies naturally slow down with age, and they might have other health issues
Those studies support the broader repair mechanism
Taking a vitamin B complex is recommended because there is evidence that a combination of neurotropic B vitamins is more effective than taking a single vitamin B supplement, due to the synergies between the different vitamins.
To get the best results you need to pair these shots with a healthy diet and exercise