Scitec GABA

🧠 1000mg of GABA — the primary inhibitory neurotransmitter

GABA is the most abundant inhibitory neurotransmitter in the mammalian central nervous system — present in approximately 30 to 40% of all brain synapses. It acts by reducing neuronal excitability: GABA binding to GABA-A receptors opens chloride channels, hyperpolarising the post-synaptic neuron and making it less likely to fire. This widespread inhibitory activity is the biochemical foundation of mental relaxation, anxiety reduction and the transition from wakefulness to sleep. In the brain’s global arousal state, GABA activity is the primary counterbalance to the excitatory neurotransmitter systems (glutamate, dopamine, noradrenaline) that drive alertness, stress and mental stimulation.

🌙 Sleep quality support — the recovery dimension for athletes

Sleep is the most critical period for athletic recovery. During deep sleep (NREM stages 3 and 4), growth hormone secretion reaches its daily peak — driving muscle protein synthesis, tissue repair and metabolic recovery from training. The neurological transition into and maintenance of these deep sleep stages is mediated by GABAergic inhibitory activity in the brain’s arousal centres (thalamus, basal forebrain, hypothalamus). GABA supplementation before sleep is intended to support this transition — particularly relevant for athletes who experience elevated cortisol, training-related neural arousal or general difficulty achieving deep, restorative sleep after intense training sessions.

🧘 Relaxation and mental calm — reducing neurological hyperarousal

Beyond sleep, GABA’s inhibitory neurotransmitter role is relevant to daytime neurological hyperarousal — the state of elevated mental activation associated with stress, anxiety and overtraining. GABA supplementation has been investigated in research contexts for its potential contribution to relaxation and reduced stress perception, complementing the physical recovery dimension with a mental calm and psychological recovery dimension.

💊 Simple, pure formula — 76.4% GABA, minimal excipients

The Scitec GABA formula contains GABA at 76.4% of the capsule content — the remainder being standard pharmaceutical bulking and anti-caking agents and the capsule shell. No proprietary blend, no additional active compounds, no unnecessary additives. For athletes and individuals who want straightforward GABA supplementation without secondary active ingredients, the Scitec GABA formula is one of the most transparent available.

🎯 Goal guide

🌙 Sleep quality and recovery: 2 capsules/day before sleep. GABA as part of a pre-sleep relaxation routine to support the neurological transition to deep, restorative sleep.

🧘 Stress management and mental recovery: 2 capsules/day. GABA for reducing neurological hyperarousal during periods of high training volume, high life stress or overtraining.

🏋️ Growth hormone support (indirect): 2 capsules before sleep. GABA’s sleep quality support indirectly optimises the deep-sleep growth hormone secretion window critical for athletic recovery and muscle repair.

Serving suggestion

Take 2 capsules per day with a large glass of water. Consume before sleep for the primary recovery application. Keep out of reach of children.

Best times to take it

🌙 30 to 60 minutes before sleep (primary recommendation)

The most clinically relevant timing for GABA supplementation in the athletic recovery context: consuming 2 capsules 30 to 60 minutes before sleep supports the GABAergic neurological transition into deep sleep stages. This timing aligns GABA availability with the critical pre-sleep period when the brain’s arousal systems need to be progressively inhibited for the transition from wakefulness to NREM sleep.

🧘 Evening — as part of a relaxation routine

For athletes who experience elevated mental arousal, training-related stress or difficulty winding down after intense evening training sessions, GABA taken as part of a structured pre-sleep routine (alongside reduced light exposure, lowered room temperature and other sleep hygiene practices) may contribute to a more complete recovery preparation.

📅 Every day — consistent supplementation supports consistent sleep quality

Like most neuroactive supplements, GABA’s potential benefits develop over consistent daily supplementation as part of a structured sleep routine — rather than as a single-dose intervention taken occasionally.

Supply duration guide

Full ingredient list

Gamma-aminobutyric acid 76.4%, capsule shell [gelatin, glazing agent (shellac), colour (iron oxides and hydroxides), acidity regulators (ammonium hydroxide, potassium hydroxide)], bulking agent (cellulose gum), anti-caking agents (magnesium salts of fatty acids, silicon dioxide).

Key ingredient breakdown

Allergens

No allergens declared in the active formula. Produced in a facility processing milk, egg, gluten, soy, peanuts, nuts, celery, fish, crustaceans, molluscs and sulphur dioxide — cross-contamination risk. The capsule shell contains gelatin and shellac — not suitable for vegetarians or vegans. Always refer to the current product label for the most up-to-date allergen information.

Product characteristics:

• 1000mg GABA per 2-capsule daily dose
• 76.4% GABA content per capsule
• Single active ingredient — minimal formula
• Before sleep protocol — 2 capsules/day
• 35-day supply
• Gelatin + shellac capsule

Active ingredient content per daily dose (2 capsules)

Nutritional values per 2-capsule serving

Formats disponibles

Q1 — What is GABA and how does it work in the brain?

Gamma-aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the mammalian central nervous system — present in approximately 30 to 40% of all brain synapses. It acts by binding to GABA-A receptors (ligand-gated chloride ion channels) and GABA-B receptors (G-protein coupled potassium channels) on post-synaptic neurons. GABA-A receptor activation opens chloride channels, allowing Cl⁻ ions to flow into the neuron — hyperpolarising the membrane and making it significantly less likely to generate an action potential. This inhibitory mechanism is the counterbalance to the excitatory glutamate system and is fundamental to the regulation of anxiety, sleep, muscle tension and overall neurological arousal state. GABAergic inhibition is the mechanism through which benzodiazepines (Valium, Xanax) and barbiturates — which act as positive allosteric modulators of GABA-A receptors — produce their sedative, anxiolytic and muscle-relaxant effects.

Q2 — Does supplemental GABA actually reach the brain?

The blood-brain barrier (BBB) permeability of oral GABA is a legitimate scientific question. Early pharmacokinetic research suggested that GABA has poor BBB penetration due to its hydrophilic nature — raising questions about whether oral GABA supplementation could meaningfully alter brain GABA levels. More recent research has proposed additional mechanisms: peripheral GABA receptors in the gastrointestinal tract and the vagus nerve may mediate indirect central effects; and some research suggests that oral GABA may alter autonomic nervous system activity (as measured by heart rate variability) and psychological stress markers in ways consistent with central GABAergic activity. The mechanistic evidence remains an active area of investigation. The practical evidence from consumer use — which underlies the product’s 5/5 rating — suggests that many athletes and individuals experience the intended relaxation and sleep quality benefits from consistent before-sleep GABA supplementation.

Q3 — How does GABA supplementation differ from melatonin or sleep-specific supplements?

Melatonin is a hormone that signals the circadian rhythm — it communicates darkness (nighttime) to the body’s clock and prepares the physiological conditions for sleep onset. GABA is a neurotransmitter that directly reduces neurological arousal — it acts on the excitability of neurons rather than on the circadian clock system. The two operate through completely different mechanisms and are complementary rather than competing: melatonin signals “it is night, prepare for sleep”; GABA reduces the neurological hyperarousal that prevents sleep onset despite the circadian signal being appropriate. For athletes with elevated cortisol, post-training neural arousal or racing thoughts preventing sleep, GABA’s inhibitory neurotransmitter action addresses the arousal barrier to sleep in a way that melatonin does not.

Q4 — Can GABA be stacked with Scitec 100% Casein Complex before sleep?

Yes — and this is one of the most practical pre-sleep supplement combinations for athletes. Scitec 100% Casein Complex (22 to 23g of slow-releasing casein protein) addresses the nutritional dimension of overnight recovery — providing amino acids for muscle protein synthesis throughout the sleep period. GABA addresses the neurological dimension — supporting the deep sleep quality that is the prerequisite for the growth hormone secretion and anabolic signalling that make overnight protein supplementation effective. The two products are completely compatible and cover different mechanisms: casein = what the body needs to rebuild during sleep; GABA = the quality of sleep in which that rebuilding occurs.

Q5 — Is 35 days of supply per pack sufficient for a meaningful supplementation protocol?

The 70-capsule pack provides 35 days at the 2-capsule daily dose — approximately 5 weeks. GABA’s sleep quality and relaxation effects are experienced from the first nightly dose rather than requiring a prolonged loading period (unlike creatine or beta-alanine). A 35-day supplementation course provides a meaningful trial period during which individuals can assess whether GABA contributes to their sleep quality and recovery. Athletes who find GABA beneficial for sleep quality will typically continue purchasing for the duration of their intensive training blocks.