Source Naturals Theanine Serene with Relora, Serene Science, 60 TabletsSource Naturals Serene Science Theanine Serene with Relora is a dietary supplement designed to support relaxation and focused attention. Each bottle contains 60 tablets. The product features the amino acid Ltheanine, which aids in relaxation and enhances focused attention. It also includes GABA, a calming neurotransmitter. The supplement contains taurine, which supports the movement of potassium out of neurons, potentially preventing overexcitation.