# NAD+ Research > A plain-language library on NAD+, the coenzyme every cell uses to turn food into energy. We summarise the human studies, compare oral precursors with IV infusions, and list what to check before any treatment. Site: https://nadplusnadplus.com/ Publisher: Fan Yafu (范雅福) — https://yafuglobal.com/#person · ORCID https://orcid.org/0009-0004-3519-1203 ## This site - [What NAD+ does, and what the evidence really shows](https://nadplusnadplus.com/): A plain-language library on NAD+, the coenzyme every cell uses to turn food into energy. We summarise the human studies, compare oral precursors with IV infusions, and list what to check before any treatment. ## Sources: 5D Library monographs cited on this site - [Fasting, Ketones and the Metabolic Basis of Attention / 断食、酮体与注意力的代谢基础](https://5dlibrary.com/books/fasting-ketones-attention/): DOI 10.5281/zenodo.23765333; chapter answers https://5dlibrary.com/answers/en/fasting-ketones-attention/ - [Crystal Piezoelectricity, Iron-Nickel Meteorites and Photobiomodulation / 晶体压电性、铁镍陨石与光生物调节](https://5dlibrary.com/books/crystals-meteorites-photobiomodulation/): DOI 10.5281/zenodo.23698498; chapter answers https://5dlibrary.com/answers/en/crystals-meteorites-photobiomodulation/ - [Dynamical Systems of Neurotransmitters and Endocrinology / 神经递质与内分泌的动力系统](https://5dlibrary.com/books/neurochemistry-game-theory/): DOI 10.5281/zenodo.23765340; chapter answers https://5dlibrary.com/answers/en/neurochemistry-game-theory/ - [Ketone Metabolism, β-Hydroxybutyrate Signalling and the Bioenergetics of Intermittent Fasting / 酮体代谢、β-羟丁酸信号转导与间歇性禁食的生物能量学](https://5dlibrary.com/books/ketone-metabolism-autophagy/): DOI 10.5281/zenodo.23753263; chapter answers https://5dlibrary.com/answers/en/ketone-metabolism-autophagy/ - [Ageing Kinetics, the mTOR-AMPK Autophagy Switch and Hormesis / 衰老动力学、mTOR-AMPK自噬开关与毒物兴奋效应的生物数学模型](https://5dlibrary.com/books/longevity-autophagy-hormesis/): DOI 10.5281/zenodo.23770092; chapter answers https://5dlibrary.com/answers/en/longevity-autophagy-hormesis/ ## Optional - [5D Library index](https://5dlibrary.com/llms.txt) - [Founder profile](https://yafuglobal.com/llms.txt)