About products and suppliers
492 natural l-theanine products are offered for sale by suppliers on Alibaba.com, of which plant extract accounts for 47%.
A wide variety of natural l-theanine options are available to you, such as drum, vacuum pack and plastic container.You can also choose from food grade, 1 and top natural l-theanine,as well as from solvent extraction natural l-theanine and whether natural l-theanine is yellow, brown yellow, or light yellow.