Purchase Qty. Reference FOB Price
1-99 kg US$20.00
100-199 kg US$17.00
200-499 kg US$15.00
500+ kg US$13.00
Product Description
Manufacturer Supply Best Price Natural High Quality CAS 3081-61-6 l-Theanin Powder Studies have shown that L-theanine can pass through the blood-brain barrier and has significant mental effects. It can improve learning, memory and cognitive functions, enhance selective attention; delay aging; ...