there are no limitations on Serum use in one day.
Maximum 5 energies in one bottle including serums
Same healing means on one issue.
If we club multiple issues, the energy will get divided.
Like health and wealth are two different aspects.
Tooth ache and kidney stone are two different aspect
family Relationship and business are two different aspect.
Blood sugar and fever again 2 different aspect…
As you are new, you can read the questions and answers already posted in this forum for better understanding and VK possibilities