Serotonin
​Serotonin is a key inhibitory neurotransmitter and is made from the amino acid tryptophan with the help of vitamin C, folate, magnesium, and vitamin B6. It regulates mood, behavior, sleep, appetite, sensory perception, and learning.

High Levels

  • Agitation
  • Headache
  • Mania

Low Levels

  • Low mood
  • Sleep difficulties
  • Poor cognitive function
  • Headaches
  • Uncontrolled appetite

Dopamine
Dopamine is an excitatory neurotransmitter that regulates the pleasure/reward cycle, cognition, motivation, emotional responses, sensitivity and processing of information, motor control, memory, attention, and focus.

High Levels

  • Hyperactivity
  • Anxiety
  • Sensory overload
  • Attention issues

Low Levels

  • Compulsions
  • Addictions
  • Cravings
  • Loss of motor control
  • Loss of satisfaction
Norepinephrine
Norepinephrine is an excitatory neurotransmitter that regulates alertness, attention, focus, and is involved in the “fight or flight” response to stress.

High Levels

  • Anxiety
  • Stress
  • Hyperactivity

Low Levels

  • Lack of focus
  • Fatigue
  • Lack of motivation
Epinephrine
​Epinephrine is an excitatory neurotransmitter that regulates attentiveness and mental focus. It also regulates heart rate, blood pressure, and lipolysis (fat metabolism) and is involved in the “fight or flight” response to stress.

High Levels

  • Anxiety
  • Hyperactivity
  • Sleep issues

Low Levels

  • Fatigue
  • Poor concentration
  • Poor recovery from illness
GABA 
GABA (gamma-amino butyric acid) is an amino acid which acts as the major inhibitory neurotransmitter in the brain. High levels of GABA indicate excitatory overload because of the increased demand for GABA to balance the surplus excitatory neurotransmitter activity. Low levels of GABA are associated with adrenal distress and dysfunction.

High Levels

  • Excitatory overload

Low Levels

  • Anxiety
  • Cognitive impairment
  • Sleep difficulties
  • Headaches
Taurine
​Taurine is an amino acid that can function as an inhibitory neurotransmitter. It supports the function of GABA which is the brain’s major inhibitory neurotransmitter. It has antioxidant properties so it is considered neuroprotective. Taurine is also important for cardiovascular function.

High Levels

  • Hyperactivity
  • Anxiousness
  • Sleep Difficulties

Low Levels

  •  Anxiety
  • Depression
  • Sleep difficulties

Glycine
Glycine is an amino acid that acts as an inhibitory neurotransmitter. It regulates excitatory neurotransmission.

High Levels

  • Anxiety
  • Low mood
  • Stress related disorders

Low Levels

  • N/A
Glutamate
​Glutamate is an amino acid which acts as an excitatory neurotransmitter in the brain. It is involved in cognitive functions such as learning and memory.

High Levels

  • Anxiety
  • Lack of focus
  • Low mood

Low Levels

  • Insomnia
  • Lack of concentration
  • Mental exhaustion
  • Fatigue
Histamine
​Histamine is an excitatory neurotransmitter that controls the sleep/wake cycle and inflammatory response (commonly associated with exposure to an allergen). It keeps the body awake and alert which is why antihistamines cause drowsiness & sleep. Histamine helps regulate norepinephrine, serotonin, and acetylcholine release.

High Levels

  • Depression
  • Headache
  • Allergic reactions
  • Obsessive compulsive tendencies

Low Levels

  • Fatigue
  • Mood swings
  • Easily depressed when stressed
PEA
PEA (Phenylethylamine) is an excitatory neurotransmitter synthesized in the brain from the amino acid phenylalanine. It regulates mental acuity, alertness, attention, motivation, energy, stamina and isimportant for focus and concentration. It increases the actions of dopamine, norepinephrine, acetylcholine, and serotonin.

High Levels

  • Racing thoughts
  • Sleep problems
  • Anxiety

Low Levels

  • Lack of focus
  • Depression
  • Lack of concentration
DOPAC
​DOPAC is a breakdown product of the neurotransmitter dopamine. As such, DOPAC levels, when viewed in conjunction with dopamine levels, may provide insight into how the body processes neurotransmitters.

High Levels

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Low Levels

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5-HIAA
5-Hydroxyindoleacetic acid (5-HIAA) is the main metabolite of serotonin. It is used to determine serotonin levels in the body.

High Levels

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Low Levels

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