VDK NaturaSyn Co., Ltd.Welcome to our Booth# 6765.Let's dicuss VDK Technology together.Main Ingredients: 5-HTP, Melatonin, Resveratrol
VDK NaturaSyn Team Attend the Supply Side West 2022. VDK focus on natural synthesis technology, main product is 5-HTP, Melatonin, Resveratrol.
Effects of dietary l‑tryptophan supplementation