FLVX Capsules

A focus boost within 30 minutes.

  1. Optimizes the functioning of the brain

  2. Works up to 5 hours after ingestion

  3. 100% natural

FLVX improves your mental performance. It contains nootropics that have been scientifically proven to bring you into the ideal mental state to get things done – without feeling restless and without crash.

  • No notice period
See ingredients

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Improved Focus

The compounds in FLVX improve your focus from 30 minutes to 5 hours after ingestion. This means you can work more effectively and get more done.

A Healthy Brain

Are you sick of coffee and energy drink? FLVX contains compounds that support healthy brain function.

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Natural ingredients

FLVX contains exclusively natural ingredients and is produced in the Netherlands according to a HACCP certification. Read More.

Ingredients per Serving

& Scientific evidence

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Acetyl-L-Carnitine

500 Mg

Known for its stimulating effect and the transferral of energy to your brain cells.

Gives your brain more energy [Reference 1]
Stimulates the absorption of Acetylcholine, a compound involved in the concentration process [Reference 2]

cafëine

Caffeine

100 Mg (± 1 cup of coffee)

The most widely used psychoactive substance in the world.

Promotes alertness [3]
Improves different elements of the cognitive performance in healthy young adults. [4,5,6,7]

l-theanine

L-theanine

200 Mg

An amino acid found in tea, amongst other things. It promotes relaxation and stimulates ‘alpha’ brain waves.

Reduces stress and anxiety [8]

cafëine-en-l-theanine

Caffeine + L-theanine synergy

This combination exhibits strong synergies for improving mental performance when taken in a 1: 2 ratio.

Improves performance in tests for word recognition, fast visual information processing, attention and mood [9,10,11]
Reduces the elevated blood pressure caused by caffeine when used alone [12,13,14]

rhodiola-rosea

Rhodiola Rosea

300 Mg

A plant extract that has been used for thousands of years in China and Scandinavia.

Reduces stress  [15]
Can counter the mental deterioration caused by stress and fatigue [15,16]

vitamines-b5,-b6,-b11,-b12

Vitamines B6, B11 & B12

20 / 0,1 / 1 Mg

Building blocks for healthy brain function. These building blocks act as essential co-factors in the production of dopamine and the conversion of energy in the brain.

B12: A deficit correlates with a higher risk of depression and mood instability [17]
B6: Can strengthen the short and long-term memory and improves the ability to process verbal stimuli [18,19,20]

References

1.Berg J.M., Tymoczko J.L., Stryer L. Biochemistry. 5th edition. New York: W H Freeman; 2002.

2.White HL1, Scates PW. Acetyl-L-carnitine as a precursor of acetylcholine. Neurochem Res. 1990 Jun;15(6):597-601.

3.Camfield DA, Stough C, Farrimond J, Scholey AB. Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis. Nutrition reviews. 2014; 72(8):507-22.

4.Haskell, C. F., Kennedy, D. O., Milne, A. L., Wesnes, K. A., & Scholey, A. B. (2008). The effects of L-theanine, caffeine and their combination on cognition and mood. Biol Psychol, 77(2), 113-122. doi:10.1016/j.biopsycho.2007.09.008

5.Johnson, L. C., Spinweber, C. L., & Gomez, S. A. (1990). Benzodiazepines and caffeine: effect on daytime sleepiness, performance, and mood. Psychopharmacology (Berl), 101(2), 160-167.

6.Einother, S. J., & Giesbrecht, T. (2013). Caffeine as an attention enhancer: reviewing existing assumptions. Psychopharmacology (Berl), 225(2), 251-274. doi:10.1007/s00213-012-2917-4

7.Smith, A. P., Kendrick, A. M., & Maben, A. L. (1992). Effects of breakfast and caffeine on performance and mood in the late morning and after lunch. Neuropsychobiology, 26(4), 198-204. Doi:118920

8.Smith, A., Kendrick, A., Maben, A., & Salmon, J. (1994). Effects of breakfast and caffeine on cognitive performance, mood and cardiovascular functioning. Appetite, 22(1), 39-55. doi:10.1006/appe.1994.1004

9.Wilhelmus, M. M., Hay, J. L., Zuiker, R. G., Okkerse, P., Perdrieu, C., Sauser, J., . . . Silber, B. Y. (2017). Effects of a single, oral 60 mg caffeine dose on attention in healthy adult subjects. J Psychopharmacol, 31(2), 222-232. doi:10.1177/0269881116668593

10. Unno, K., Tanida, N., Ishii, N., Yamamoto, H., Iguchi, K., Hoshino, M., . . . Yamada, H. (2013). Anti-stress effect of theanine on students during pharmacy practice: positive correlation among salivary alpha-amylase activity, trait anxiety and subjective stress. Pharmacol Biochem Behav, 111, 128-135. doi:10.1016/j.pbb.2013.09.004

11. Giesbrecht, T., Rycroft, J. A., Rowson, M. J., & De Bruin, E. A. (2010). The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness. Nutr Neurosci, 13(6), 283-290. doi:10.1179/147683010×12611460764840

12. Kahathuduwa, C. N., Dassanayake, T. L., Amarakoon, A. M., & Weerasinghe, V. S. (2016). Acute effects of theanine, caffeine and theanine-caffeine combination on attention. Nutr Neurosci. doi:10.1080/1028415x.2016.1144845

13. Caldenhove, S., Sambeth, A., Sharma, S. et al. J Cogn Enhanc (2017).

14. Dodd, F. L., Kennedy, D. O., Riby, L. M., & Haskell-Ramsay, C. F. (2015a). A double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and mood. Psychopharmacology (Berl), 232(14), 2563-2576. doi:10.1007/s00213-015-3895-0

15.Ishaque, S., Shamseer, L., Bukutu, C., & Vohra, S. (2012). Rhodiola rosea for physical and mental fatigue: a systematic review. BMC Complementary and Alternative Medicine, 12(1), 70. doi:10.1186/1472-6882-12-70

16.Hung SK, Perry R, Ernst E. The effectiveness and efficacy of Rhodiola rosea L.: a systematic review of randomized clinical trials. Phytomedicine : international journal of phytotherapy and phytopharmacology. 2011; 18(4):235-44.

17.Morris MS, Fava M, Jacques PF, Selhub J, Rosenberg IH. Depression and folate status in the US Population. Psychotherapy and psychosomatics. ; 72(2):80-7.

18.Deijen, J. B., van der Beek, E. J., Orlebeke, J. F., & van den Berg, H. (1992). Vitamin B-6 supplementation in elderly men: effects on mood, memory, performance and mental effort. Psychopharmacology (Berl), 109(4), 489-496.

19.Lewerin, C., Matousek, M., Steen, G., Johansson, B., Steen, B., & Nilsson-Ehle, H. (2005). Significant correlations of plasma homocysteine and serum methylmalonic acid with movement and cognitive performance in elderly subjects but no improvement from short-term vitamin therapy: a placebo-controlled randomized study. Am J Clin Nutr, 81(5), 1155-1162.

20.Bryan, J., Calvaresi, E., & Hughes, D. (2002). Short-term folate, vitamin B-12 or vitamin B-6 supplementation slightly affects memory performance but not mood in women of various ages. J Nutr, 132(6), 1345-1356.