Power Negating Serum

The Power Negating Serum is a synthetic chemical invented by Dr. Gnivik to cancel out the powers of magical beings. Whoever is injected will not be able to utilize their abilities for hours. The serum was only featured in Leo Rising.

History
Dr. Gnivik invented the serum and tested it on many witches before he started targeting the Charmed Ones. Their powers were rendered useless for at least a half day and were left to fend for themselves before Leo, Wyatt, and Chris came to the rescue.

Piper found the rest of the serum after they were rescued and destroyed it to prevent anyone from using it in the future.