Braverman Test — GABA Deficiency
Assess a possible GABA deficit through this questionnaire inspired by Dr. Eric Braverman's work. GABA is the neurotransmitter of calm, stability, and nervous regulation. A deficit manifests as anxiety, nervousness, muscle tension, and impulsivity.
This test evaluates your current GABA level according to Dr. Eric Braverman. Unlike the dominance test which identifies your deep nature, this one detects a current functional deficit.
A GABA deficiency manifests as chronic anxiety, insomnia, palpitations, excessive emotionality, muscle tension, impulsivity, and difficulty relaxing even in a calm environment.
Points forts
- + Detect a current GABA deficit, even if it is not your dominant neurotransmitter
- + Identify early signs of deficiency: nervousness, muscle tension, sleep disorders, increasing impulsivity
- + Guide a targeted support protocol (glycine, taurine, magnesium, valerian, heart rate variability) before the deficit worsens
Limites
- - Subjective self-assessment, not clinically validated
- - Neurotransmitter profile fluctuates with lifestyle
- - Does not replace urinary neurotransmitter testing
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Maintenir votre équilibre
Your glutamate/GABA balance is preserved
The GAD enzyme converts glutamate (excitatory) to GABA (inhibitory) using vitamin B6 and zinc as cofactors. This balanced ratio explains your ability to remain calm under pressure. GABA naturally inhibits CRH release by the hypothalamus, thus limiting the stress axis (HPA). To maintain this balance, ensure you regularly consume fermented foods (sauerkraut, kefir, kimchi): certain Lactobacillus strains produce GABA directly in the intestine.
Chronic stress can deplete your reserves
Even with a good current score, prolonged stress can lead to downregulation of your GABA-A receptors, exactly the same mechanism caused by prolonged benzodiazepine use. Alcohol produces a similar effect: it briefly stimulates GABA receptors, but the rebound depletion is massive. Monitor early warning signs (waking at 3-4 a.m., jaw tension, nocturnal teeth grinding) which indicate your reserves are beginning to run low.
Maintain your GABA daily
Yoga increases brain GABA levels by 27% according to MRI spectroscopy studies. Integrate 20 minutes of deep breathing or heart rate variability exercises daily to stimulate vagal tone and strengthen GABAergic activity. Hot baths, walks in nature, and massage also promote GABA production. Consume green tea for its L-theanine, an amino acid that naturally increases brain GABA synthesis.
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Understanding the glutamate/GABA balance
The brain maintains a permanent balance between excitation (glutamate) and inhibition (GABA). When GABA drops, glutamate takes over: you become hyper-reactive, anxious, your muscles contract constantly. The GAD enzyme that makes GABA from glutamate requires vitamin B6 (P5P form) as an obligatory cofactor and zinc. A B6 or zinc deficiency directly slows this conversion, creating a double problem: too much excitatory glutamate and not enough inhibitory GABA.
Avoid false friends of GABA
Alcohol and benzodiazepines artificially stimulate GABA-A receptors, providing immediate relief but causing severe rebound depletion and receptor downregulation in the medium term. Synthetic glutamate (MSG, industrial flavor enhancers) overloads the excitatory side without your GAD being able to convert this excess. Stimulants (excess coffee, energy drinks) amplify excitatory activity and worsen the imbalance. Reduce screens in the evening, anxiety-inducing news, and sensory overstimulation that keeps the nervous system in alert mode.
Targeted nutritional support for GABA
Taurine (500-1000 mg daily) is a direct agonist of GABA-A receptors and is the first choice in naturopathy. Magnesium bisglycinate (300-400 mg daily), called 'nature's tranquilizer,' enhances GABA action on its receptors. Vitamin B6 in P5P form (25-50 mg daily) is the essential cofactor of the GAD enzyme to convert glutamate to GABA. L-theanine (200-400 mg daily), derived from green tea, measurably increases brain GABA production. PharmaGABA (100-200 mg sublingual), naturally fermented GABA form, can provide additional support during anxiety peaks.
Foods that support GABA production
Fermented foods are your best allies: raw sauerkraut, kimchi, kefir, kombucha, miso. Certain Lactobacillus strains (L. brevis, L. rhamnosus) produce GABA directly in the intestine. Green tea is rich in L-theanine, a precursor of GABAergic synthesis. Foods rich in B6 (banana, chicken, salmon, potato, chickpeas) support the GAD enzyme. Taurine sources (scallops, fish, shellfish) strengthen GABA-A receptor activity. Prioritize magnesium-rich foods: leafy greens, almonds, Brazil nuts, dark chocolate, pumpkin seeds.
GABAergic plants and gemmotherapy
Valerian is a recognized modulator of GABA-A receptors that improves both anxiety and sleep. Passionflower acts as an inhibitor of GABA reuptake, increasing its availability in the synaptic cleft. Ashwagandha has demonstrated GABAergic activity, in addition to its adaptogenic action on cortisol. Magnolia bark (honokiol) positively modulates GABA receptors without excessive sedative effect. In gemmotherapy, linden bud (Tilia tomentosa) is THE anxiety reference, a true 'plant valium.' Fig bud (Ficus carica) perfectly complements anxiety with a psychosomatic component (lump in throat, chest oppression).
Daily practices to restore GABA
Yoga increases brain GABA levels by 27% (MRI spectroscopy studies): practice 3 to 4 sessions per week, even short ones. Heart rate variability (5 minutes, 3 times daily: 5 seconds inhale, 5 seconds exhale) stimulates the vagus nerve and strengthens GABAergic tone. Jacobson's progressive muscle relaxation directly targets tensions linked to GABA deficiency. Hot baths, nature walks, and massage promote the shift toward the parasympathetic system. Establish a regular routine: GABA is the neurotransmitter of stability and predictability, a regular life rhythm supports its production.
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Your nervous system's braking system is broken
GABA acts as the main brake on the nervous system. When it is lacking, glutamate (accelerator) dominates without control: anxiety, hyper-reactivity, muscle tension, lowered seizure threshold, heart palpitations, and emotional instability set in. The GAD enzyme, the only pathway for GABA synthesis from glutamate, absolutely requires the active form of vitamin B6 (pyridoxal-5-phosphate) and zinc. Without these cofactors, glutamate accumulates (neurotoxic in excess) and GABA does not form. This deficiency creates a vicious cycle: stress consumes magnesium, zinc, and B6, further worsening the GABA deficiency.
Traps to absolutely avoid
Alcohol is trap number one: it massively stimulates GABA-A receptors, providing immediate relief, but the rebound depletion that follows significantly worsens the deficit and creates dependence. Benzodiazepines follow exactly the same mechanism: quick relief, but progressive receptor downregulation that makes withdrawal extremely difficult. Stimulants (more than 2 cups of coffee, energy drinks, nicotine) amplify excitatory activity and deplete magnesium. Synthetic glutamate (MSG, processed foods) overloads the excitatory side without the possibility of conversion to GABA. Overexposure to screens, anxiety-inducing news, and social media keeps the nervous system in permanent alert mode and prevents any GABAergic recovery.
Priority supplementation protocol
Start with magnesium bisglycinate (400 mg daily in 2 doses), 'nature's tranquilizer' that enhances GABA action on its receptors. Taurine (1000 mg daily), a direct agonist of GABA-A receptors, is the second pillar of the protocol. Vitamin B6 in P5P form (50 mg daily) is the essential cofactor of the GAD enzyme to restart glutamate to GABA conversion. Zinc (15 mg daily in bisglycinate form) is the second cofactor of GAD, often in parallel deficiency. L-theanine (400 mg daily) increases brain GABA synthesis. Sublingual GABA (500-750 mg) or PharmaGABA (200 mg), naturally fermented form, provide direct support during acute anxiety attacks. This protocol should be maintained for at least 3 months to allow resensitization of GABA-A receptors.
Anti-GABA deficiency diet
Fermented foods are essential daily: raw sauerkraut, kimchi, milk or fruit kefir, kombucha, miso, tempeh. Lactobacillus brevis and L. rhamnosus strains produce GABA directly in the intestine, strengthening the gut-brain axis. Massively increase magnesium sources: spinach, chard, almonds, Brazil nuts, pumpkin seeds, raw cacao, buckwheat. B6-rich foods should be integrated into each meal: banana, salmon, chicken, potato, chickpeas, garlic. Taurine sources (scallops, mussels, fatty fish, cuttlefish) directly strengthen GABA-A receptors. Green tea (2-3 cups daily for L-theanine) and natural food glutamate (tomato, mushroom, Parmesan) can be converted to GABA if the GAD enzyme is correctly cofactored.
Complete phytotherapy arsenal
Valerian (300-600 mg of standardized extract at bedtime) is a powerful modulator of GABA-A receptors, particularly effective on insomnia linked to GABA deficiency. Passionflower (400-800 mg daily) acts as a GABA reuptake inhibitor, increasing its synaptic availability. Ashwagandha (300-600 mg of KSM-66 extract) has dual GABAergic and anti-cortisol action. Magnolia bark (honokiol, 200-400 mg daily) positively modulates GABA receptors without addiction risk. Lemon balm inhibits GABA-transaminase, the enzyme that degrades GABA, prolonging its action. In gemmotherapy, linden bud (Tilia tomentosa, 15 drops daily) is the absolute reference for anxiety and insomnia, a true 'plant valium.' Combine fig bud (Ficus carica, 15 drops daily) for psychosomatic anxiety (lump in stomach, chest oppression, stress-related digestive disorders).
Restructure daily life to restore GABA
Yoga is the most documented practice for increasing brain GABA (+27% on MRI spectroscopy): aim for 4 to 5 sessions per week, even 20 minutes is enough. Heart rate variability must become a non-negotiable ritual: 5 minutes, 3 times daily (6 breaths per minute), to stimulate the vagus nerve and parasympathetic shift. Mindfulness meditation, even 10 minutes daily, promotes neuroplasticity of GABAergic circuits. Establish a strict routine (identical wake-up, bedtime, and meal times each day): GABA is the neurotransmitter of stability, it strengthens in predictability. Practice Jacobson's progressive muscle relaxation each evening: contract then release each muscle group for 5 seconds, moving from feet to head. Hot baths (38-40 degrees Celsius, 20 minutes), slow walks in the forest, and nature contact are powerful parasympathetic activators. Assessment of chronic stress and intestinal health (dysbiosis, permeability) is highly recommended, as the intestine is a major GABA producer.
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Voir tous les questionnairesCe questionnaire est un outil d'auto-évaluation et ne remplace en aucun cas un diagnostic médical. Consultez un professionnel de santé pour toute préoccupation.
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