Get the supplement-checklist and my recommended supplements all over the world now:https://www.theobergmann.com/supplement-checklistFollow Theo Bergmann on IG: https://instagram.com/_theobergmann - Schiffman, S. S. (2000). Sensory enhancement of foods for the elderly with monosodium glutamate and flavors. Advances in Food and Nutrition Research.- Center for Science in the Public Interest (CSPI) & FDA CFR § 101.22 – Food labeling: Spices, flavorings, and coloringsFredholm, B. B. et al. (1999). Actions of caffeine in the brain with special reference to factors that contribute to its widespread use. Pharmacological Reviews, 51(1), 83–133. PMID: 10049999- Lara, D. R. (2010). Caffeine, mental health, and psychiatric disorders. Journal of Alzheimer's Disease, 20(s1), S239–S248. DOI: 10.3233/JAD-2010-091249- Smith, A. (2002). Effects of caffeine on human behavior. Food and Chemical Toxicology, 40(9), 1243–1255. PMID: 12204388Lin, Y.-S. et al. (2021). Daily caffeine consumption and reduced brain gray matter in healthy volunteers: A multimodal neuroimaging study. Cerebral Cortex, 31(2), 1003–1011. DOI: 10.1093/cercor/bhaa302Juliano, L. M., & Griffiths, R. R. (2004). A critical review of caffeine withdrawal: Empirical validation of symptoms and signs, incidence, severity, and associated features. Psychopharmacology, 176, 1–29. DOI: 10.1007/s00213-004-2000-x- Drake, C., Roehrs, T., Shambroom, J., & Roth, T. (2013). Caffeine effects on sleep taken 0, 3, or 6 hours before going to bed. Journal of Clinical Sleep Medicine, 9(11), 1195–1200. DOI: 10.5664/jcsm.3170- Clark, I., & Landolt, H. P. (2017). Coffee, caffeine, and sleep: A systematic review of epidemiological studies and randomized controlled trials. Sleep Medicine Reviews, 31, 70–78. DOI: 10.1016/j.smrv.2016.01.006Source: Lovallo, W. R. et al. (2005). Caffeine stimulates cortisol secretion in people at rest and during mental stress. Psychosomatic Medicine, 67(5), 734–739. DOI: 10.1097/01.psy.0000181270.20036.06National Institutes of Health (NIH) Vitamin C Fact Sheet: NIH Office of Dietary SupplementsMiller, S. (2001). Tolerance of a nonacidic calcium ascorbate preparation compared to ascorbic acid. Unpublished clinical report cited in manufacturer dossiers.https://www.peacefulmountainmedicine.com/post/citric-acid-a-common-food-additive-with-an-uncommon-source This information is for educational and informational purposes only and solely as a self-help tool for your own use. I am not providing medical, psychological, or nutrition therapy advice. You should not use this information to diagnose or treat any health problems or illnesses without consulting your own medical practitioner. Always seek the advice of your own medical practitioner and/or mental health provider about your specific health situation. For my full Disclaimer, please go to https://www.theobergmann.com/disclaimer