8 Powerhouse Substances to Relieve Mental Fatigue
https://greenmedinfo.com/blog/8-powerhouse-substances-relieve-mental-fatigue When mental fatigue hits you, choose from the most effective natural remedies. Researchers have found that certain areas of the brain -- the nucleus accumbens, orbitofrontal cortex, amygdala, insula and anterior cingulate cortex -- weigh the costs and benefits of performing a task. If the energy needed is higher than what one gets out of doing an activity (satisfaction, reward, praise), mental fatigue occurs.[i] Mental fatigue -- drowsiness, difficulty concentrating, decreased alertness, disordered thinking, slow reactions, lethargy, reduced work efficiency and making more mistakes -- is usually caused by long-term cognitive activities that can seriously impact the brain's cognitive function.[ii] The effects of mental fatigue can result in decreases in cognition -- foggy brain, burnout or depression,[iii] executive decision-making and impaired physical performance -- more car accidents, [iv] pilot errors,[v],[vi] and difficulty in endurance tasks.[vii],[viii] It can also negatively affect patients with chronic fatigue syndrome,[ix] cancers,[x] multiple sclerosis,[xi] Alzheimer's disease[xii] or Parkinson's disease.[xiii],[xiv] Natural substances including tart cherries, herbal teas -- rosemary or ginseng -- improved gut bacteria, chaga mushrooms, sesame seeds paired with astaxanthin, spirulina and chicken extract are eight highly effective ways to relieve mental fatigue. 1. Tart Cherries Tart cherries are known for their high levels of polyphenols along with strong antioxidative and anti-inflammatory properties.[xv] Drinking tart cherry juice has also proven effective in athletic performance recovery.[xvi],[xvii],[xviii] In research of 50 middle-aged adults, half were assigned to drink tart Montmorency cherry juice --30 milliliters (ml) twice daily -- and the other half took a similarly-sized placebo juice for three months. The tart cherry group had higher accuracy in digit vigilance with fewer false alarms in numerical cognitive tasks, higher alertness and lower mental fatigue ratings than the placebo group. Plasma metabolomics also revealed an increase in some amino acids -- which are important to effective neural transmissions -- in response to tart cherry intake, which did not present in those taking the placebo.[xix] Tart cherry juice -- 240 ml compared to 240 ml placebo juice in the morning and before bedtime for two weeks -- was effective for treating insomnia in a small pilot study (eight people) due to its high content of procyanidins. Insomnia was defined as having difficulty initiating sleep, maintaining sleep or getting high quality sleep. It also included at least one daytime complaint, such as fatigue, poor attention, concentration or memory impairment; social vocational dysfunction, poor school performance, mood disturbances, daytime sleepiness, reduced energy, proneness for errors or accidents, tension, headaches, gastrointestinal symptoms or concerns about sleep.[xx] 2. Rosemary Tea Herbal treatments and essential oils are being used more frequently for dealing with stress, burnout and fatigue. Herbs have been found to modulate the body's stress response.[xxi] In an experimental study of 66 employees, aged between 20 and 60 years, half received 4 grams (g) of rosemary in 150 ml of hot water per day for two months. The control group, on the other hand, did not receive anything. Results revealed that rosemary tea had a significantly positive effect on employee burnout compared to placebo.[xxii] In a randomized pilot study, 14 participants received either a personal inhaler containing a mixture of essential oils or rose water as a placebo three times a day for three weeks. The aromatherapy group had a much greater reduction in mental exhaustion and moderate burnout.[xxiii] 3. Ginseng and Rhodiola Rosea Ginseng is composed of ginsenosides with anti-inflammatory, antioxidant and anticancer effects. Clinical research studies show ginseng can improve mood disorders,[xxiv] psychological function, immune function, weakness and fatigue.[xxv],[xxvi] Ginseng can also affect the aging process by impacting your sleep-wake cycle, metabolism and cognition.[xxvii] Further, in a study of 161 healthy cadets aged from 19 to 21 years, those who took two capsules of SHR-5 Rhodiola rosea extract showed a pronounced anti-fatigue effect for mental work against a background of fatigue, stress and anxiety when compared to a placebo.[xxviii] 4. Astaxanthin and Sesamin Severe fatigue can negatively affect quality of life, and oxidative stress may play a significant role. Dietary supplementation of astaxanthin and sesamin (from sesame seeds) (AS) -- two strong food-derived antioxidants -- could address issues with fatigue. In a study of 24 healthy volunteers supplemented with AS or a placebo, each for four weeks, the AS group had significantly improved recovery from mental fatigue compared with the placebo group.[xxix] To examine the effects of an AS supplement on cognitive function, 21 participants with mild cognitive impairment were given an AS capsule -- 3 mg of astaxanthin, 5 mg of sesamin -- twice daily or a placebo supplement for 12 weeks. Results showed supplementation with AS improved cognitive decline/dysfunction related to the ability to comprehend and perform complex tasks quickly and accurately.[xxx] 5. Chaga Mushrooms In addition to having antitumor, antiviral and immunity-boosting properties from polyphenols and polysaccharides,[xxxi] chaga mushrooms (Inonotus obliquus) also postpone physical fatigue and improve mental fatigue.[xxxii] 6. Spirulina A wealth of in vivo, animal and human research supports the brain health potential of spirulina, highlighting antioxidant,[xxxiii],[xxxiv] anti-inflammatory[xxxv],[xxxvi] and neuroprotective[xxxvii],[xxxviii],[xxxix] mechanisms. Preliminary clinical studies have also suggested that spirulina helps reduce mental fatigue and protects the vascular wall of brain vessels from damage.[xl] In a randomized study of spirulina supplementation in men, the group taking 3 g per day of spirulina produced an increase in exercise output -- 30 minutes on a cross trainer machine -- within four hours of the exercise and eight weeks later. In a subjective survey, the men also reported improvements in mental and physical fatigue within four hours and eight weeks later in the spirulina group compared to the placebo.[xli] In a study of 60 rats, the animals were divided evenly between control group, exercise group, exercise and spirulina polysaccharides -- doses of 50, 100 or 200 mg per kilogram (kg) -- treated groups, and exercise and caffeine (10 mg/kg)-treated group (positive control) with the exercise of running on a treadmill for 30 minutes each day for six days in a row. On the seventh day, spirulina was found to prolong the time to exhaustion more effectively during the treadmill exercise in a dose-dependent way compared to the other groups.[xlii] 7. Extract of Chicken In a human experiment, 20 healthy male students were given two bottles of chicken extract called Brand's Essence of Chicken or a placebo (70 ml per bottle) daily in the morning for one week. The task performance of subjects -- a mean arithmetic test and a short term memory test -- significantly improved with the chicken extract compared with the placebo group. From a mood state questionnaire, subjects also felt more active and less fatigued during the workload and their blood profile showed high cortisol levels -- a signal of stress -- recovered faster when they took the chicken extract regularly.[xliii] 8. Probiotic -- Bifidobacterium Longum Mounting evidence suggests gut microbiota not only regulate intestinal function and health but also play a role in mental health via the gut-brain axis.[xliv] Using single probiotics - Bifidobacterium longum (B. longum) -- at a low dose of less than 10 colony forming units per day (cfu/d) and a short treatment duration -- less than eight weeks -- was found to be more effective with respect to overall symptom response and quality of life issues in treating gut diseases such as irritable bowel syndrome.[xlv] In a scientific research experiment, 40 healthy volunteers received either the probioticB. longum 1714™or a placebo for four weeks at a dose of 10 cfu/d. Only the probiotic group had modulated resting neural activity, which enhanced vitality, and reduced mental fatigue. Neural responses during social stress, which activated brain coping centers to counteract negative emotions, were also impacted.[xlvi] Superstars for Mental Fatigue Given the stressors in the workplace, ever burgeoning workloads with little reward and the increased frenetic activities that social media and technologies produce, it is no surprise that mental fatigue is affecting the long term health, happiness and performance of people. Luckily, there are some real superfoods (tart cherries, ginseng, rosemary, spirulina, chicken extract, AS, chaga mushrooms and probiotic B. longum) that can reduce mental fatigue and other associated symptoms such as burnout, sleep issues, stress, anxiety, depression, making mistakes, cognitive decline and physical fatigue. If you wish to explore more, please visit the mental fatigue database at GreenMedInfo.com. ____________________________________________________________________________________________ References [i] Boksema, M. 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Spirulina Microalgae and Brain Health: A Scoping Review of Experimental and Clinical Evidence . Mar Drugs . 2021 May 22;19(6):293. doi: 10.3390/md19060293 . PMID: 34067317 ; PMCID: PMC8224803 . [xli] Morgan Johnson, Lauren Hassinger, Joshua Davis, Steven T Devor, Robert A DiSilvestro. A randomized, double blind, placebo controlled study of spirulina supplementation on indices of mental and physical fatigue in men. Int J Food Sci Nutr . 2016 Feb 17:1-4. Epub 2016 Feb 17. PMID: 26888417 [xlii] Meiju Zhu, Hongzhu Zhu, Xiaomin Ding, Shaosheng Liu, Yuanhua Zou. Analysis of the anti-fatigue activity of polysaccharides from Spirulina platensis: role of central 5-hydroxytryptamine mechanisms. Food Funct . 2020 Feb 26 ;11(2):1826-1834. PMID: 32057057 [xliii] H Nagai, M Harada, M Nakagawa, T Tanaka, B Gunadi, M L Setiabudi, J L Uktolseja, Y Miyata. Effects of chicken extract on the recovery from fatigue caused by mental workload. Kidney Int . 2005 Sep;68(3):1244-9. PMID: 9008982 [xliv] Haas GS, Wang W, Saffar M, Mooney-Leber SM, Brummelte S. Probiotic treatment (Bifidobacterium longum subsp. longum 35624™) affects stress responsivity in male rats after chronic corticosterone exposure. Behav Brain Res . 2020 Sep 1;393:112718. doi: 10.1016/j.bbr.2020.112718. Epub 2020 May 30. PMID: 32485204 . [xlv] Zhang, Y., Li, L., Guo, C. et al. Effects of probiotic type, dose and treatment duration on irritable bowel syndrome diagnosed by Rome III criteria: a meta-analysis . BMC Gastroenterol , 2016,16, 62 . https://doi.org/10.1186/s12876-016-0470-z [xlvi] Huiying Wang, Christoph Braun, Eileen F Murphy, Paul Enck. Bifidobacterium longum 1714™ Strain Modulates Brain Activity of Healthy Volunteers During Social Stress. Am J Gastroenterol. 2019 Apr 17. Epub 2019 Apr 17. PMID: 30998517 Dr. Diane Fulton is Emeritus Professor at Clayton State University. She holds Ph.D./MBA in Business (University of Tennessee - Knoxville) and B.S. with Math/Secondary Education majors (University of Wisconsin - Milwaukee). During her 45-year career as administrator/professor teaching research and business, she authored 10 books, over 50 articles, and is now writing children’s books about the body, mindfulness and cross-cultural awareness. Her passion is to share her knowledge to integrate a healthy body, mind and soul. To reach her: Clayton University’s Emeritus Professors Diane Fulton LINKED IN or Diane Fulton FACEBOOK.