NSI-189 is neurogenic and nootropic research agent that was developed from nicotinamide and pyrazine. Randomized controlled trials have shown that it stimulates neurogenesis or neuronal cell production in the brain. In animal studies, it has also been shown to increase the volume of hippocampus by 20% thereby reversing behavioral symptoms of depression. Such studies have shown that it may be an effective treatment for depression. It is also thought to be a promising treatment for other condition including post-traumatic stress disorder (PTSD), Alzheimer’s disease and age-related cognitive problems.

• Nsi-189 can Enhance cognition and memory formation
• Nsi-189 can Anxiolytic properties
• Nsi-189 can Anti-depressive effect
• Nsi-189 can Treatment of Alzheimer's and Parkinson's disease
• Nsi-189 can Increase coordination
• Nsi-189 can Improves mood
• Nsi-189 can Help fight fatigue
• Nsi-189 can Prevent oxidation within the brain
• Nsi-189 can Treat alcohol related brain damage
• Nsi-189 can Prevent caffeine withdrawal symptoms

Qingdao Sigma Chemical Co., Ltd.is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Qingdao Sigma Chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

Qingdao Sigma Chemical Co., Ltd has become the "Top 500 Chinese manufacturing companies",

"Top 20 of global chemical sales".Qingdao Sigma Chemical Co., Ltdhas 21 subsidiaries and holding companies.