Why Smarter Hydration Matters

1-2% Body-Mass Loss From Water Can Cause Fatigue

Even mild dehydration may affect mood, attention, and fatigue.

[3-5,7]
Dehydration Can Make Exercise Feel Harder

Exercise-related dehydration can make the same workload feel harder and has been associated with lower strength, power, and high-intensity endurance

[6,7,22]
More Electrolytes Isn’t Always Better

Consuming more electrolytes than the situation requires does not necessarily improve hydration or performance. Balance beats excess.

[1,2,9–11]

Key Components for Hydration

Hydration is more than drinking water. It depends on fluid volume, intestinal absorption, and the losses from sweat. Sodium, potassium, magnesium, chloride, and carbohydrate serve different but complementary physiological roles. The goal is not to maximize one ingredient. but to build a profile appropriate for the intended situation. [1,2,9–18]

Na+
  • Primary electrolyte lost in sweat.
  • Helps maintain extracellular fluid volume and water balance.
  • Supports nerve signaling and normal muscle contraction.
  • Replacement needs increase as exercise duration, heat exposure, sweat rate, and sweat sodium concentration rise. [1,2,9-11,16-18]
K+
  • Works alongside sodium to maintain fluid balance inside your cells.
  • Supports nerve transmission and muscle contraction.
  • Identified as an under-consumed nutrient, since most people take in less potassium than recommended while getting more than enough sodium. [12,13,16]
Mg2+
  • Helps provide the energy needed for cells to perform essential functions.
  • Supports normal muscle contraction and relaxation.
  • Supports nerve signaling by regulating ion movement across cell membranes. [14,16]
Cl-
  • Lost alongside sodium in sweat.
  • Helps prevent fluid imbalances that can cause dehydration, swelling, or changes in blood pressure.
  • Helps keep the body’s pH within a safe range so cells and enzymes can function properly. [2,9,10,11,15]
O CH₂OH H H HO H OH OH H H OH
  • In the gut, a small amount of glucose is co-transported with sodium to support fluid absorption. [1][2]
  • This is why many sports drinks add sugar, though the amounts are often far higher than needed.

Beyond Hydration: The Cognitive Benefits of Rhodiola

Stress can cause fatigue even when hydration is adequate. Rhodiola Rosea is an adaptogenic herb shown in human studies to help the body adapt to stress and support mental performance under demanding conditions, without having a caffeine-like jittery or crash effect. [23–37]

Beyond Hydration: The Cognitive Benefits of Rhodiola

Focus & Attention

Randomized trials involving adults with stress-related fatigue have reported improvements in selected attention, mental-work, or fatigue outcomes.

[25,26,27,28,29]

Mental Performance

Several human trials report improvements in selected fatigue, burnout, well-being, or self-reported stress outcomes.

[23,24,28,29,37]

Physical Performance

Several trials and systematic reviews have reported improvements in perceived exertion, strength, power, training volume, and selected endurance outcomes.

[30-36]

Sustained Energy Support

Helps the body maintain balance under physical, mental, and environmental stress rather than producing an acute energy spike.

[23,41,42]
A Research-Informed Serving Each scoop in Cognitive Hydration provides 166 mg, a moderate serving that falls within the range human studies have linked to reduced mental fatigue rather than a maximal dose (range: ~100-600mg). [24,25] New users may begin with a partial serving to assess tolerance, then progress as needed. The scoopable format allows flexible serving sizes, but the labeled daily maximum should not be exceeded. Rhodiola has been studied safely for continuous daily use up to 12 weeks. It's recommended to consult a healthcare professional before daily use longer than 12 weeks and if pregnant or breastfeeding, taking medication, managing a medical condition. [38,39]

Hydration Needs Exist on a Spectrum

Water and electrolyte needs depend on factors such as sweat rate, sweat sodium concentration, exercise duration, intensity, and heat. Use these guidelines as a starting point, then pay attention to how your body responds and adjust your intake to find what works best for you. [1,2,8,9,10,11]

Daily Hydration

Daily life and Low-moderate intensity activity

Typical Sweat Loss

Usually modest during short activity in temperate conditions, although individual variation can be substantial.

Electrolyte Needs

Water may be sufficient while a lighter electrolyte drink can provide modest replacement and encourage consistent fluid intake without turning every drink into a high-sodium strategy.

Goal: Maintain hydration and replace modest losses without unnecessary excess. [2,8,20]

Performance Hydration

Moderate-high intensity and prolonged activity

Typical Sweat Loss

0.5 to 2.0 L/hour; sweat sodium concentration may range from 200 to 1,600 mg/L. Individual losses can fall outside these ranges. [9,10,11]

Electrolyte Needs

Higher sodium levels to match heavier losses, alongside balanced potassium, magnesium, and chloride. Guided by ACSM, AND, and ISSN, a 300 mg sodium serving is a practical starting point that can be adjusted to individual sweat losses.

Goal: Replace what you lose without overdoing it. [1,2,9-11,19,21]

Cognitive Hydration

Tasks with cognitive demands

Hydration Approach

Fluid and electrolyte requirements should still be matched to sweat loss. Cognitive demand does not automatically require more sodium.

Goal: Combining moderate electrolytes with a non-caffeinated functional botanical can support demanding mental or physical efforts. [23-37,41,42]

Guided by leading organizations:

US Department of Health and Human Services· Academy of Nutrition and Dietetics· International Society of Sports Nutrition· American College of Sports Medicine· US Department of Agriculture

Our Product Lines and Their Uses

Three formulas. One goal: help you hydrate smarter and perform better.

Everyday Hydration 1 bag (14 sticks), Strawberry Watermelon

Everyday Hydration

A lighter electrolyte profile for daily life and low-sweat activity.

Work
Travel
Study
Exercise
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Performance 1 bolsa (14 barritas), Limón

Performance Hydration

Moderate to high intensity activity

Exercise
Heat
Heavy Sweating
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Cognitive Hydration 1 Container (43 Scoops), Lychee, Preorder

Cognitive Hydration

Hydration for focus and mentally and physically demanding days.

Work
Exercise
Study
Daily Life
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References

  1. Thomas, D. T., Erdman, K. A., & Burke, L. M. (2016). Position of the Academy of Nutrition and Dietetics, Dietitians of Canada, and the American College of Sports Medicine: Nutrition and athletic performance. Journal of the Academy of Nutrition and Dietetics, 116(3), 501–528. doi:10.1016/j.jand.2015.12.006
  2. Sawka, M. N., Burke, L. M., Eichner, E. R., Maughan, R. J., Montain, S. J., & Stachenfeld, N. S. (2007). American College of Sports Medicine position stand: Exercise and fluid replacement. Medicine & Science in Sports & Exercise, 39(2), 377–390. doi:10.1249/mss.0b013e31802ca597
  3. Ganio, M. S., Armstrong, L. E., Casa, D. J., McDermott, B. P., Lee, E. C., Yamamoto, L. M., Marzano, S., Lopez, R. M., Jimenez, L., Le Bellego, L., Chevillotte, E., & Lieberman, H. R. (2011). Mild dehydration impairs cognitive performance and mood of men. British Journal of Nutrition, 106(10), 1535–1543. doi:10.1017/S0007114511002005
  4. Armstrong, L. E., Ganio, M. S., Casa, D. J., Lee, E. C., McDermott, B. P., Klau, J. F., Jimenez, L., Le Bellego, L., Chevillotte, E., & Lieberman, H. R. (2012). Mild dehydration affects mood in healthy young women. Journal of Nutrition, 142(2), 382–388. doi:10.3945/jn.111.142000
  5. Goodman, S. P. J., Moreland, A. T., & Marino, F. E. (2019). The effect of active hypohydration on cognitive function: A systematic review and meta-analysis. Physiology & Behavior, 204, 297–308. doi:10.1016/j.physbeh.2019.03.008
  6. Judelson, D. A., Maresh, C. M., Anderson, J. M., Armstrong, L. E., Casa, D. J., Kraemer, W. J., & Volek, J. S. (2007). Hydration and muscular performance: Does fluid balance affect strength, power and high-intensity endurance? Sports Medicine, 37(10), 907–921. doi:10.2165/00007256-200737100-00006
  7. Deshayes, T. A., Pancrate, T., & Goulet, E. D. B. (2022). Impact of dehydration on perceived exertion during endurance exercise: A systematic review with meta-analysis. Journal of Exercise Science & Fitness, 20(3), 224–235. doi:10.1016/j.jesf.2022.03.006
  8. Kenefick, R. W., & Cheuvront, S. N. (2012). Hydration for recreational sport and physical activity. Nutrition Reviews, 70(Suppl. 2), S137–S142. doi:10.1111/j.1753-4887.2012.00523.x
  9. Baker, L. B. (2017). Sweating rate and sweat sodium concentration in athletes: A review of methodology and intra/interindividual variability. Sports Medicine, 47(Suppl. 1), 111–128. doi:10.1007/s40279-017-0691-5
  10. Barnes, K. A., Anderson, M. L., Stofan, J. R., Dalrymple, K. J., Reimel, A. J., Roberts, T. J., Randell, R. K., Ungaro, C. T., & Baker, L. B. (2019). Normative data for sweating rate, sweat sodium concentration, and sweat sodium loss in athletes. Journal of Sports Sciences, 37(20), 2356–2366. doi:10.1080/02640414.2019.1633159
  11. Baker, L. B., De Chavez, P. J. D., Nuccio, R. P., Brown, S. D., King, M. A., Sopeña, B. C., & Barnes, K. A. (2022). Explaining variation in sweat sodium concentration: Effect of individual characteristics and exercise, environmental, and dietary factors. Journal of Applied Physiology, 133(6), 1250–1259. doi:10.1152/japplphysiol.00391.2022
  12. National Academies of Sciences, Engineering, and Medicine. (2019). Dietary reference intakes for sodium and potassium. National Academies Press. doi:10.17226/25353
  13. National Institutes of Health, Office of Dietary Supplements. (n.d.). Potassium: Fact sheet for health professionals. Retrieved July 23, 2026.
  14. National Institutes of Health, Office of Dietary Supplements. (n.d.). Magnesium: Fact sheet for health professionals. Retrieved July 23, 2026.
  15. Institute of Medicine. (2005). Dietary reference intakes for water, potassium, sodium, chloride, and sulfate. National Academies Press. doi:10.17226/10925
  16. Clausen, T. (2003). Na+-K+ pump regulation and skeletal muscle contractility. Physiological Reviews, 83(4), 1269–1324. doi:10.1152/physrev.00011.2003
  17. Millard-Stafford, M., Snow, T. K., Jones, M. L., & Suh, H. (2021). The beverage hydration index: Influence of electrolytes, carbohydrate and protein. Nutrients, 13(9), 2933. doi:10.3390/nu13092933
  18. Rowlands, D. S., Kopetschny, B. H., & Badenhorst, C. E. (2022). The hydrating effects of hypertonic, isotonic and hypotonic sports drinks and waters on central hydration during continuous exercise: A systematic meta-analysis and perspective. Sports Medicine, 52(2), 349–375. doi:10.1007/s40279-021-01558-y
  19. Kerksick, C. M., Wilborn, C. D., Roberts, M. D., Smith-Ryan, A., Kleiner, S. M., Jäger, R., Collins, R., Cooke, M., Davis, J. N., Galvan, E., Greenwood, M., Lowery, L. M., Wildman, R., Antonio, J., & Kreider, R. B. (2018). ISSN exercise and sports nutrition review update: Research and recommendations. Journal of the International Society of Sports Nutrition, 15, 38. doi:10.1186/s12970-018-0242-y
  20. U.S. Department of Health and Human Services & U.S. Department of Agriculture. (2026). Dietary Guidelines for Americans, 2025–2030 (10th ed.).
  21. Hew-Butler, T., Rosner, M. H., Fowkes-Godek, S., Dugas, J. P., Hoffman, M. D., Lewis, D. P., Maughan, R. J., Miller, K. C., Montain, S. J., Rehrer, N. J., Roberts, W. O., Rogers, I. R., Siegel, A. J., Stuempfle, K. J., Winger, J. M., & Verbalis, J. G. (2015). Statement of the Third International Exercise-Associated Hyponatremia Consensus Development Conference, Carlsbad, California, 2015. Clinical Journal of Sport Medicine, 25(4), 303–320. doi:10.1097/JSM.0000000000000221
  22. López-Torres, O., Rodríguez-Longobardo, C., Escribano-Tabernero, R., & Fernández-Elías, V. E. (2023). Hydration, hyperthermia, glycogen, and recovery: Crucial factors in exercise performance. A systematic review and meta-analysis. Nutrients, 15(20), 4442. doi:10.3390/nu15204442
  23. Hung, S. K., Perry, R., & Ernst, E. (2011). The effectiveness and efficacy of Rhodiola rosea L.: A systematic review of randomized clinical trials. Phytomedicine, 18(4), 235–244. doi:10.1016/j.phymed.2010.08.014
  24. 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, 70. doi:10.1186/1472-6882-12-70
  25. Spasov, A. A., Wikman, G. K., Mandrikov, V. B., Mironova, I. A., & Neumoin, V. V. (2000). A double-blind, placebo-controlled pilot study of the stimulating and adaptogenic effect of Rhodiola rosea SHR-5 extract on the fatigue of students during an examination period with a repeated low-dose regimen. Phytomedicine, 7(2), 85–89. doi:10.1016/S0944-7113(00)80078-1
  26. Darbinyan, V., Kteyan, A., Panossian, A., Gabrielian, E., Wikman, G., & Wagner, H. (2000). Rhodiola rosea in stress-induced fatigue: A double-blind crossover study of standardized extract SHR-5 on the mental performance of healthy physicians during night duty. Phytomedicine, 7(5), 365–371. doi:10.1016/S0944-7113(00)80055-0
  27. Shevtsov, V. A., Zholus, B. I., Shervarly, V. I., Vol'skij, V. B., Korovin, Y. P., Khristich, M. P., Roslyakova, N. A., & Wikman, G. (2003). A randomized trial of two different doses of a SHR-5 Rhodiola rosea extract versus placebo and control of capacity for mental work. Phytomedicine, 10(2–3), 95–105. doi:10.1078/094471103321659780
  28. Olsson, E. M. G., von Schéele, B., & Panossian, A. G. (2009). A randomised, double-blind, placebo-controlled, parallel-group study of standardized extract SHR-5 of the roots of Rhodiola rosea in subjects with stress-related fatigue. Planta Medica, 75(2), 105–112. doi:10.1055/s-0028-1088346
  29. Cropley, M., Banks, A. P., & Boyle, J. (2015). The effects of Rhodiola rosea L. extract on anxiety, stress, cognition and other mood symptoms. Phytotherapy Research, 29(12), 1934–1939. doi:10.1002/ptr.5486
  30. Noreen, E. E., Buckley, J. G., Lewis, S. L., Brandauer, J., & Stuempfle, K. J. (2013). The effects of an acute dose of Rhodiola rosea on endurance exercise performance. Journal of Strength and Conditioning Research, 27(3), 839–847. doi:10.1519/JSC.0b013e31825d9799
  31. Walker, T. B., Altobelli, S. A., Caprihan, A., & Robergs, R. A. (2007). Failure of Rhodiola rosea to alter skeletal muscle phosphate kinetics in trained men. Metabolism, 56(8), 1111–1117. doi:10.1016/j.metabol.2007.04.004
  32. Lu, Y., Deng, B., Xu, L., & Liu, H. (2022). Effects of Rhodiola rosea supplementation on exercise and sport: A systematic review. Frontiers in Nutrition, 9, 856287. doi:10.3389/fnut.2022.856287
  33. Sanz-Barrio, P. M., Noreen, E. E., Gilsanz-Estebaranz, L., Lorenzo-Calvo, J., Martínez-Ferrán, M., & Pareja-Galeano, H. (2023). Rhodiola rosea supplementation on sports performance: A systematic review of randomized controlled trials. Phytotherapy Research, 37(10), 4414–4428. doi:10.1002/ptr.7950
  34. Tinsley, G. M., Jagim, A. R., Potter, G. D. M., Garner, D., & Galpin, A. J. (2024). Rhodiola rosea as an adaptogen to enhance exercise performance: A review of the literature. British Journal of Nutrition, 131(3), 461–473. doi:10.1017/S0007114523001988
  35. Wang, X., Yang, X., Gao, Z., Zeng, J., & Liu, Y. (2025). The effect of Rhodiola rosea supplementation on endurance performance and related biomarkers: A systematic review and meta-analysis. Frontiers in Nutrition, 12, 1645346. doi:10.3389/fnut.2025.1645346
  36. Koozehchian, M. S., Newton, A. T., Mabrey, G., Bonness, F. M., Rafajlovska, R., & Naderi, A. (2025). Dose-response effects of short-term Rhodiola rosea (golden root extract) supplementation on anaerobic exercise performance and cognitive function in resistance-trained athletes: A randomized, crossover, double-blind, and placebo-controlled study. Nutrients, 17(23), 3736. doi:10.3390/nu17233736
  37. Łuszczak, J., & Kocki, J. (2026). Clinical evidence for the adaptogenic effects of Withania somnifera and Rhodiola rosea: A systematic review with molecular interpretation of psychometric outcomes. Annals of Agricultural and Environmental Medicine, 33(1), 3–11. doi:10.26444/aaem/213417
  38. National Center for Complementary and Integrative Health. (2025, April). Rhodiola: Usefulness and safety.
  39. European Medicines Agency, Committee on Herbal Medicinal Products. (2024). European Union herbal monograph on Rhodiola rosea L., rhizoma et radix (Revision 1).
  40. Wang, Z., Hu, H., Chen, F., Zou, L., Yang, M., Wang, A., Foulsham, J. E., & Lan, K. (2012). Metabolic profiling-assisted quality assessment of Rhodiola rosea extracts by high-performance liquid chromatography. Planta Medica, 78(7), 740–746. doi:10.1055/s-0031-1298373
  41. Panossian, A., & Wagner, H. (2005). Stimulating effect of adaptogens: An overview with particular reference to their efficacy following single-dose administration. Phytotherapy Research, 19(10), 819–838. doi:10.1002/ptr.1751
  42. Panossian, A., & Wikman, G. (2010). Effects of adaptogens on the central nervous system and the molecular mechanisms associated with their stress-protective activity. Pharmaceuticals, 3(1), 188–224. doi:10.3390/ph3010188