Neurotransmitter Tests

Symptom-based questionnaires have been used for years to determine neurotransmitter deficiencies quite effectively.

Hopefully, what you read in this article can help you determine the neurotransmitter deficiencies that pertain to you.

But if you are still unsure which neurotransmitters are at the root of your problems, here are three free reputable quizzes to guide you toward some answers: