Folate https://pmc.ncbi.nlm.nih.gov/articles/PMC7243584/
Sheng, L-T., Jiang, Y-W., Pan, X-F., Feng, L., Yu, J-M., Pan, A. & Koh, W-P. (2020) ‘Association between dietary intakes of B vitamins in midlife and cognitive impairment in late-life: The Singapore Chinese Health Study’, The Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 75(6), pp. 1222-1227. doi:10.1093/gerona/glz125.
Paraxanthine https://pmc.ncbi.nlm.nih.gov/articles/PMC11089923/
Yoo, C., Cho, S., Jaeger, R., Gies, S., Naylor, J.P., Chawn, K. W., & Khan, R.B. (2024) ‘Paraxanthine provides greater improvement in cognitive function than caffeine after performing a 10-km run: A randomized, double-blind, crossover trial’, Journal of the International Society of Sports Nutrition, 21(1), 2352779. doi:10.1080/15502783.2024.2352779.
L-Tyrosine https://www.efsa.europa.eu/en/efsajournal/pub/2290
EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) (2011) ‘Scientific Opinion on the substantiation of a health claim related to L-tyrosine and contribution to normal synthesis of dopamine (Article 13(5) of Regulation (EC) No 1924/2006)’, EFSA Journal, 9(7):2290. doi:10.2903/j.efsa.2011.2290.
Theacrine https://pubmed.ncbi.nlm.nih.gov/26610558/
Kuhman, D.J., Joyner, K.J. & Bloomer, R.J. (2015) ‘Cognitive Performance and Mood Following Ingestion of a Theacrine-Containing Dietary Supplement, Caffeine, or Placebo by Young Men and Women’, Nutrients, 7(11), pp. 9618-9632. doi:10.3390/nu7115484.
Reviews
Best supplement I have tried for focus! I feel like I can make better decisions and lock into my tasks better with more concentration and less distractions!
Only been taking focusNAO for about a week so it may be too early to judge. I've noticed a slight improvement in focus but nothing dramatic yet. Will update after another few weeks.
I had high hopes based on the reviews but so far the results have been quite subtle for me. My brain fog hasn't completely cleared but there is some improvement. Will keep going and see.
Work has been so much more manageable since I started taking focusNAO. My focus is sharper and I don't crash in the afternoons anymore.
Work has been so much more manageable since I started taking focusNAO. My focus is sharper and I don't crash in the afternoons anymore.