Injection Site Tenderness. It is common to experience irritation and tenderness or discomfort if vitamin B12 supplementation is received by injection. These side effects tend to subside after receiving the shot.
The United States Postal Service recommends that mailboxes be 41-45 inches off of the ground and 6-8 inches back from the curb with a minimum recommendation of 4 feet off the ground for those people living in the city.
* with the bottom of the box at a vertical height of between 3-1/2 to 4 feet from the road surface, * 6 - 8 from the front face of the curb to the mailbox door, and * placed to conform to any additional state laws and regulations.