The need for PCT depends on what substances were used how long they were used and how strongly they can suppress natural hormone production.
You cannot reliably know whether you need PCT based only on how you feel because symptoms can have several different causes.
If you have stopped using anabolic steroids or other hormone suppressing substances and are experiencing persistent symptoms it is worth speaking with a healthcare professional.
Important hormone markers may include testosterone LH and FSH along with other tests that your healthcare professional considers appropriate.
If your testosterone is still low after stopping a suppressive substance that is something worth discussing with a qualified healthcare professional.
Online cycle calculators and generic PCT schedules cannot replace individual medical assessment because people respond differently.
Recovery can take time and the timeline can vary depending on the substances used your duration of use your previous hormone levels and individual factors.
People often confuse post cycle support supplements with medically supervised treatment but they are not necessarily the same thing.
Going back to your regular calorie target at the next meal is usually a better approach than extreme restriction.
There is no single symptom that can tell you with certainty that you need PCT because hormonal recovery involves several different factors.