Martinez Munoz, I. Y., Camarillo Romero, E., & Garduno Garcia, J. J. (2018). Irisin a Novel Metabolic Biomarker: Present Knowledge and Future Directions. International journal of endocrinology, 2018, 7816806. https://doi.org/10.1155/2018/7816806
 Irisin: Lose Weight, Increase Cognition, and Fight Aging, https://mybiohack.com/blog/irisin-fndc5-ppar-alpha-ucp1 (accessed 3 May 2021)
 Arhire, Lidia I. and Mihalache, Laura and Covasa, Mihai, Irisin: A Hope in Understanding and Managing Obesity and Metabolic Syndrome, tenth ed., Frontiers in Endocrinology, 2019.
 Thermogenin, https://en.wikipedia.org/wiki/Thermogenin (accessed 3 May 2021)