NAD+ stands for nicotinamide adenine dinucleotide in its oxidized form. It is a dinucleotide coenzyme involved in redox chemistry, rather than a peptide. NADH is its reduced counterpart. [1] [2]
For laboratory and analytical research only. Not for human consumption, medical, diagnostic, therapeutic, or veterinary use.
Identity and research context
The names NAD+, NADH and NADP+ identify different chemical species. NAD+ precursors, including nicotinamide and nicotinamide riboside, are also distinct materials. A study of a precursor should not be treated as a study of supplied NAD+. [1] [2]
Clement and colleagues used liquid chromatography with tandem mass spectrometry to measure NAD-related compounds in human plasma. Schultz and colleagues describe analytical methods for NAD-dependent reactions and metabolites in a methods chapter. These sources provide biochemical and analytical context, not evidence of benefits from an AlphaGrade product. [1] [2]
Documentation and lot traceability
Product- or lot-specific documentation may be available depending on the material and lot. Request the current lot’s documentation through Contact. Include the product name and lot identifier. Check that the report identifies the same material and lot; documentation for another brand or lot does not establish the properties of your material.
For a listing labeled NAD+, request the documented identity, salt form and quantity basis. The label names the intended compound; it does not independently authenticate the supplied material or establish its composition.
AlphaGrade listing
NAD+ 500 mg. Check the listing for current commercial details.
Frequently asked questions
Is NAD+ a peptide?
No. It is a dinucleotide coenzyme. Its inclusion in this research archive does not change its chemical classification. [1]
Are NAD+ and NADH interchangeable names?
No. The names distinguish oxidized and reduced forms. Preserve that distinction when comparing specifications and analytical results. [2]
References
- Schultz MB et al. (2018). Methods chapter on NAD-dependent reactions and metabolites. Methods Mol Biol. 1813:77–90. DOI: 10.1007/978-1-4939-8588-3_6. Read the methods chapter.
- Clement J et al. (2019 journal issue). Human plasma NAD metabolome study. Rejuvenation Res. 22(2):121–130. DOI: 10.1089/rej.2018.2077. Read the primary study.
The cited literature describes the compound or its components. It does not test, certify, or establish the suitability of any material supplied by AlphaGrade.
