1. Usual Vitamin Intakes by Mexican Populations
2. Scientific Opinion on principles for deriving and applying Dietary Reference Values
3. Kodentsova VM, Vrzhesinskaya OA, Risnik DV, et al. Micronutrient status of population of the Russian Federation and possibility of its correction. State of the problem. Voprosy pitaniia. Problems of Nutrition. 2017;86(4):113-124. (In Russ.)
4. Vitamins and Minerals for Energy, Fatigue and Cognition: A Narrative Review of the Biochemical and Clinical Evidence
5. Brown MJ, Ameer MA, Beier K. Vitamin B6 Deficiency. 2022 Jul 18. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan. Accessed June 11,2023. https://www.ncbi.nlm.nih.gov/books/NBK470579/