The supplement contains a 4-in-1 formula that combines 5-HTP with L-Theanine, L-Tryptophan, and GABA. The 5-HTP is derived from top-grade, west African sourced griffonia simplicifolia, and the ...

and the price point may be higher than other sleep supplements on the market. Overall, we would recommend Allergy Research Group – Zen Sleep – Vitamin B6, GABA, L-Theanine, 5-HTP – 60 ...

other supplements, and medications. Like GABA, 5-HTP and L-tryptophan have been studied as a potential sleep aid. However, ...

It's best to avoid this product if you are taking MAO inhibitors. This GABA supplement has 4.5 out of 5 stars on Amazon and nearly 2,000 reviews, many of which praise its effectiveness.

GABA is the primary inhibitory neurotransmitter ... make it more bioavailable to the body too. If you look at most 5-HTP supplements, they tend to be combined with vitamin B6, for example, ...