90 capsules, a three month supply at the recommended dose of one capsule per day.

This is an honest and important question. The blood-brain barrier is largely impermeable to GABA, which means the mechanism by which oral GABA supplementation may exert effects is not fully established. Research has found associations with relaxation markers and there is growing interest in peripheral mechanisms, including gut-brain pathways. The scientific position is that oral GABA has been studied and some effects have been observed, but how exactly it works when taken as a supplement is not yet fully understood.

Studies on oral GABA supplementation have found real associations with relaxation and reduced stress markers, and the effects themselves are reasonably well documented in research. What scientists are still working out is the precise mechanism behind them. The traditional view was that the blood-brain barrier blocked GABA from entering the brain directly, but more recent research points to other plausible routes: GABA receptors in the gut, signalling through the gut-brain axis, and emerging evidence suggesting the barrier may be more permeable than previously thought. The research shows something is happening. The science on exactly how is still catching up.

Pyridoxal-5-phosphate (the active form of B6) is a required cofactor for glutamate decarboxylase, the enzyme that synthesises GABA from glutamate in the brain. Its inclusion is a specific formulation decision rooted in GABA biochemistry, not a generic addition.

No. Sleep Well does not contain melatonin. The formula is built around GABA, L-theanine and Vitamin B6 as P5P. Melatonin has variable regulatory status across EU markets and is absent from this formula by design.

For adults only. Not suitable for children, or during pregnancy or breastfeeding. If you are taking medication — particularly sedatives, anxiolytics, or other compounds affecting the nervous system — seek medical advice before use. Do not exceed the recommended daily dose.

In the original sealed packaging, in a dry place away from light at +5 to +25°C.