Introducing our new double-strength L-Theanine capsules L-Theanine supports a sense of calm contentment and well-being It crosses the blood brain barrier and has been shown to increase brain alpha waves in less than 40 minutes Alpha brain waves are an indication of a state of relaxation and mental alertness similar to that achieved through meditation this promotes a feeling of relaxation but with an alert state of mind This is particularly useful to know as it can be taken during the day to support relaxation without a sedating effectTheanine is an amino acid found predominantly in tea nbspWhen you have a stressful moment or a shock the immediate thought well for us Brits anyway is to have a cuppa A joke to some maybe but is there a real reason as to why Yes its L-Theanine which is believed to be responsible for the calming and relaxing effect brought about by a good old cup of teaL-theanine facilitates the production of GABA a neurotransmitter that has a calming effect on the brain it has also been shown to support quality sleep and may have a positive effect on memory and learningnbspPurest form available strong and high grade materialA single capsule provides 400mg of this high-grade amino acid in a vegetarian capsule - currently the strongest form available in the UK