Dr. med. Harald Pfeffer
Inspired by his rescue as a child, Harald Pfeffer committed himself to medicine. In 1976 he opened his own practice, which he handed over in 2003 to stay true to his vision "health belongs in the world, not within four walls". With Vitabay, that vision became reality. All our products are the result of more than half a century of medical knowledge, research and development. With his own patents, products and formulas he shapes not only Vitabay but the whole supplement sector.
FAQ
What is NMN?
NMN (β-Nicotinamide Mononucleotide) is a derivative of vitamin B3 and a direct precursor to NAD⁺ (Nicotinamide Adenine Dinucleotide). It is being researched as an important component of metabolic and cellular processes.
Is NMN suitable for consumption?
No. This product is expressly not a dietary supplement and not intended for ingestion. It may only be used in scientific, experimental, and analytical contexts.
What is the purity of the NMN powder?
Our powder has a purity of at least 99.9% (HPLC-tested). Each batch is additionally tested for heavy metals, water content, and microbiological contamination.
How is the product packaged and stored?
The powder is hermetically sealed, light-protected, and delivered in a 30 g Doypack. For stability, it should be stored cool (0–5 °C), dry, and light-protected.
What applications is NMN powder suitable for?
NMN powder is used in laboratories for biochemical analyses, molecular biological experiments, NAD⁺-associated basic research, and cell culture studies, among others.



