Some dietary supplements contain pterostilbene (left) and nicotinamide riboside (middle). Nicotinamide riboside is a precursor to nicotinamide adenine dinucleotide (NAD+, right). Structures are shown in 2D and 3D format and were obtained from PubChem.
Read more about these molecules in nutraceuticals to prevent detrimental effects of aging:
N. R. Gough, Anti-Aging Supplements: The Basis for Basis. BioSerendipity (11 June 2018) https://www.bioserendipity.com/anti-aging-supplements-the-basis-for-basishttps://www.bioserendipity.com/anti-aging-supplements-the-basis-for-basis
N. R. Gough, Anti-Aging Supplements II: NAD+ as the Key to Healthy Aging. BioSerendipity (13 June 2018) https://www.bioserendipity.com/anti-aging-supplements-ii/
N. R. Gough, Anti-Aging Supplements III: Berries and Wine for Healthy Aging. BioSerendipity (20 June 2018) https://www.bioserendipity.com/anti-aging-iii/