VDK NaturaSyn Co. Ltd, Baoding, PRC emerged from BLRH in 2021 fosters innovative R&D, translational production & global sales of biologically-sustainable high-value products including food & dietary supplement ingredients & API. Its flagship 5-hydroxytryptophan along with newly rolled out high-quality melatonin, resveratrol, sclareol via nature-based synthetic biology bridges the supply-demand gaps both at home & abroad. Its 30-acre campus with CNY260M investment nurtures its continuing success & growth. Buy 5-hydroxytryptophan, melatonin, resveratrol from VDK. VDK focuses on sustainable, green and affordable biomanufacturing of high-quality natural ingredients. Relying on NaturaSyn technologies, VDK makes functional substances through microbial cell factories, solving a series of issues restricting production rate, quality and affordability of products from plant extraction.