Harald Pfeffer, MD
Inspired by his rescue as a child, Harald Pfeffer dedicated himself to medicine. In 1976, he opened his own practice, which he handed over in 2003 to remain true to his vision "Health belongs in the world, not within four walls". With Vitabay, this vision became reality. All our products meet the standards of a medical device and are the result of over half a century of medical knowledge, research, and development. With his own patents, products, and formulas, he shapes not only Vitabay but the entire supplement industry.
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.



