Are you struggling to stay focused during long study sessions? Do you find yourself easily distracted or stressed out by academic pressure or are you looking to make studying easier? Introducing Learnergy, the revolutionary dietary supplement from Bioteen, designed to transform your learning experience and maximize your cognitive potential. With a powerful blend of scientifically proven ingredients, Learnergy is specifically formulated to:
  1. Enhance focus and concentration
  2. Prolong study sessions
  3. Alleviate study-related stress
  4. Boost overall energy levels
Learnergy is caffeine and stimulant-free and contains no artificial sweeteners or colorants in an easy-to-use, ready-to-mix format.
clean formula


Fast Fact

ALCAR is a necessary ingredient for acetylcholine formation, which boosts memory, mental alertness and fluid thought.

Fast Fact

Palatonise™, which is a low-glycemic carbohydrate, improves blood sugar levels for a sustained duration, thereby providing fuel to your brain for a longer period, enabling you to concentrate and focus for longer periods.

Fast Fact

Sugar is your brain’s preferred fuel source – not table sugar, but glucose, which is your body processes from the sugars and carbs you eat. That’s why a glass of OJ or another fruit juice can offer a short-term boost to memory, thinking and mental ability.

Fast Fact

Alpha GPC is the most bioavailable form of Chloline currently available. Choline is a water-soluble nutrient which acts as a precursor to the neurotransmitter Acetylcholine which supports memory and brain function.

Fast Fact

Tempted to skip breakfast? Studies have found that eating breakfast may improve short-term memory and attention. Students who eat it tend to perform better than those who dont’. Food at the top of researcher’s brain-fuel list include high-fiber whole grains, dairy and fruits.

Fast Fact

L-Theanine increases alpha-wave production in the different areas of the cerebral cortex. Alpha-brain activity in humans indicates wakeful relaxation as well as increased creativity, better performance under stress, improved learning and concentration as well as decreased anxiety.

Fast Fact

The human brain requires lots of fuel to function. Whilst the human brain only accounts for 2% of our total body weight, it uses over 20% of our energy resources. Most of the energy the brain uses, comes from carbohydrates which our bodies break down into glucose or blood sugar.




Sustained Energy

PalatinoseTM is a naturally sourced smart carbohydrate, providing full carbohydrate energy (4kcal/g) in a more balanced way thanks to its low-glycaemic profile.  By improving fat oxidation during physical activity, it prolongs energy supply. In addition, it is the first non-cariogenic carbohydrate, gentle on teeth.


PalatinoseTM (isomaltulose) is purely based on sucrose from sugar beet. It is 100 % vegan, kosher, halal and non-GMO.


Low GI carbohydrates like Palatinose™ have been found to improve attention and memory function with studies showing improved memory and mood 3 hours post consumption. 


Palatinose™ is a source of glucose and fructose to the body. Palatinose™ digests and absorbs slowly thus providing a steady supply of energy. The intake of slow digesting carbohydrates in children and adolescents has been found to benefit elements of cognitive function like memory, attention and mood.

Brain Health




Betaine is derived from Choline a natural component of beetroot. Betaine is an important cofactor in the methylation process, whereby methyl groups are donated for key processes which include the synthesis of neurotransmitters such as dopamine and serotonin, the synthesis of melatonin and the antioxidant CoQ10, the regulation of DNA function, influencing the levels S-Adenosyl Methionine (SAMe) and folate which are also key mediators of methylation.

Brain Health



Focus & Attention

Suntheanine® is a high-quality form of the amino acid L-Theanine which is found in tea leaves. L-Theanine promotes improved focus, attention and clarity, as well as a calming and relaxing feeling without inducing drowsiness. L-Theanine is most remarkable in its anti-anxiety potential during exposure to stressful conditions. L-Theanine works by stimulating alpha brain waves which are associated with an alert and relaxed state.

Brain Health




Acetyl-L-Carnitine (ALCAR) is involved in brain energy production as a source of Acetyl Coenzyme A which is used in energy-yielding processes inside the mitochondria of the brain. ALCAR is also used for the biosynthesis of neurotransmitters like glutamate, aspartate, GABA and acetylcholine, a neurotransmitter that is essential to the processes of learning and concentration.

Brain Health


Vitamin Premix


Teen Vitamin Premix (TVP) is a blend of 12 highly bioavailable vitamins to help the body meet its daily needs. This multivitamin blend consists of Vitamin A, D3, B1, B2, B3, B5, B6, B12, C, Folic Acid and Biotin. Adequate intake of vitamins is essential for numerous physiological processes that affect brain function, like energy production and neurotransmitter synthesis. Research shows increased cerebral blood-flow and memory rapidly after the intake of a high-dose multivitamin.

Brain Health



Neuro Support

L-Tyrosine is an amino acid precursor to dopamine, the “feel-good” hormone. Intake of L-Tyrosine is effective in maintaining mental performance both in the presence and absence of stress exposure. Tyrosine, in doses used in Learnergy, has been found to improve memory in students in tests and also improves task-switching performance.

Brain Health


Glucose Source

Rapid Energy

Maltodextrin is maize-derived carbohydrate that has a high digestibility and rapid absorption rate, supplying glucose to the brain. Glucose is the main fuel for the brain. An acute intake of glucose has been shown to facilitate cognitive performance: it improves memory, attention and alertness and decreases fatigue.

Brain Health



Mood Support

Myo-Inositol is a metabolite present in high levels in the brain. It is important for brain cell function given its involvement in the synthesis of cell membrane phospholipids which are protective barriers for brain cells. Myo-Inositol is also an important signaling molecule which allows neurotransmitters to function. Supplementation with Myo-Inositol may support mood during stressful situations.

Brain Health




Alpha-GPC is highly effective at increasing plasma and brain choline levels. Choline is important for the synthesis and release of acetylcholine, a neurotransmitter involved in learning, memory, motivation, attention, and skeletal muscle contraction. Alpha-GPC appears to easily cross the blood-brain barrier and is the best absorbed form of choline for brain functional benefits. Choline is also involved in brain development and its uptake is highest during growth.

Brain Health


76 reviews for Learnergy

  1. Nicola Rees

    My son loved the taste and felt it helped him focus better on recent tests.

  2. Michelle Chemaly

    Both my teens absolutely love it. They have energy like you cannot believe and are so focused. This really came at the right time as they are writing exams and have been feeling exhausted. I see the change in them. Thank you Bioteen for an awesome product. Will definitely be purchasing and recommending.

  3. Marietjie Groenewald

    My son loves the taste and is ready to start learning for his Matric mid-year exam

  4. Marelize

    The Leanergy is truly magic! My teen just started using it a week ago-and she is obsessed! And I can definitely see her more energetic& motivated! It does exactly what you promote. 🙂

  5. Trudie (verified owner)

    My 16 year old daughter studies really hard and long hours 7 days a week. Ever since she started using the Learnergy she has more energy and seems to focus easier for longer times. She does not start a school day withou her Bioteen. It really works like magic!!!

  6. Trudie Coetzee

    My teenage daughter definitely has more energy for the long periods she has studying! She loves the Bioteen

  7. Vasti Wolmarans

    We are still awaiting the exam results, but the 15 year old daughter said that she could definitely feel a difference. She was more focused and could process her work for sufficiently.

  8. Ilze Norden

    Great product. Both my teens love it, says it helps with focus and energy during exam

  9. Joshua Byrne

    The bomb!

    This stuff is excellent. My partner and I have both used it for this month, and we’re able to work in a more focused state, and later (we’re adults). I even gave it to my mum, who reported that it was great. Having tried various stimulant-based focus enhancers (caffeine, ginseng etc.) This stuff beats the socks off of all others, while not leaving you feeling “wired”.

  10. Samantha Groenewald

    Absolutely amazing!! Could see the difference within a week of using the product.

  11. Kerry Shrimpton (verified owner)

    My son has been using this for a few months and we have definitely noticed a difference in his memory and general executive functions.

  12. Kerry (verified owner)

    Great Product!

    My son has been using this for a few months and we have definitely noticed a difference in his memory and general executive functions.

  13. Kirsten Curtis

    My son has taken so well to Learnergy. It not only helps with his mental sharpness, but also gives him a boost of energy when he has a long day. We are very happy with this product.

  14. Rita (verified owner)

    Excellent product. My teens feel a difference in their concentration levels.

  15. Mogeshree (verified owner)

    My girls recently started on Learnergy and they love the taste & have said that it has helped them focus. I was a bit skeptical to buy these products as my one daughter does not believe that supplements help. But I noticed that after her 1st try, Learnergy is now her go to daily. I look forward to trying more products.

  16. Maria M (verified owner)

    My daughter who is in Grade 10 say Mama, this Learnergy really works wonders.

  17. Charmaine Seamark (verified owner)

    My teens have definitely seen a difference in concentration and memory. Great product.

  18. Anje Van Pletzen (verified owner)

    I bought it for my daughter for the exams. She feels less stressed and her mood has improved.

  19. Eleanor

    My son used this every day during his recent exams, and reported that he definitely felt like it was helping him with focus and energy. His results were excellent too!

  20. Kirsten Morrison (verified owner)

    My son’s both really enjoy this product, it helps them to focus and stay engaged in their studies. Can’t recommend it enough!

  21. Marina (verified owner)

    This product is absolutely brilliant. And if you add Relaxify, it helps tremendously with keeping some sort of balance from the madness of exams. Highly recommended!

  22. Delyse Clothier (verified owner)

    Ordered this for my daughter, she loves the flavour and enjoys the taste. Her concentration levels have improved and as a parent I’m very happy with the product. The service was just as amazing. I will be placing my next order and I have also referred to my friends. Thank you so much for this amazing product!

  23. Estelle Louw (verified owner)

    My daughter been using Learnenergy for the last 2 weeks and what a transformation in energy levels.Wow motivation spiked no more sleeping during the day.
    This is an amazing product.

  24. Helen (verified owner)

    My matric daughter has been using it as she starts her prelims soon – she says it tastes great and helps her focus!

  25. Dianna Pappin (verified owner)

    Great product with natural ingredients to help my son focus better at school. Great tasting and dissolves quickly in a glass of water.

  26. Tash (verified owner)

    My son started using this together with Relaxify 2weeks ago after a tough term of missing school as result of illness. It has really helped him apply himself and focus to catch up work he has missed. Really great products!

  27. Viki Ramlall (verified owner)

    Great Taste and works very well, my daughter loves it.
    The Service is excellent!

  28. maretha (verified owner)

    My daughter loves the taste. But what matters most is that this product helps her stay focused while studying. She also drinks it in the morning before a big test or exam and says it helps her to stay focused, remember facts, and boosts her concentration.

  29. Jessica Venter (verified owner)

    Really love this!! My daughter can really tell it is working, will definitely be adding more products!! Thank you for the quick delivery and amazing service.

  30. Josh Byrne (verified owner)

    I’m an adult and have been using this product for the better part of 6 months. It really does help you focus. Unlike a caffeine stimulant, it’s light and doesn’t give you the jitters.
    I’ve already given it to 3 other mates, all of whom went out and bought a batch.

  31. philisiwe zulu (verified owner)

    Bought it a month ago for my son’s matric trials exams. I noticed an incredible increased focus and confidence

  32. Jessica (verified owner)

    My kids love this, they actually ask to take it which is saying a lot!

  33. Elsabé Van der Meyden (verified owner)

    I have twins at University, they’ve started drinking last week and love the taste, don’t always get a product which taste good and is good for your health. They already felt more focused, will definitely order again !

  34. Sinegugu Khumalo (verified owner)

    My son loves the taste and I’m seeing a lot of improvement. Concentration and focus is so much better. He takes it together with claricalm and learnegy in the afternoon. I took it myself while prepping for an exam, must say it works for adults too. Great product overall!

  35. Tertia

    Great product. My son’s concentration has improved remarkably. Test results have improved.

  36. Taryn (verified owner)

    My daughter loves drinking this before her school sessions and helps with her focus!!

  37. Rialette De Villiers (verified owner)

    Great product. My daughter wrote trial exams recently and this really helped her to focus and calm her.

  38. Emy Clarke (verified owner)

    My daughter really enjoys the taste. She drinks it before school and said that she felt a difference. Concentrating in class was much easier, and she is not exhausted when I pick her up after school. Looking forward to see how this helps with studying for exams. Will definitely be repurchasing.

  39. Lynda Lawson (verified owner)

    I am not a teen but I started using Learnergy and have found that it helps me concentrate and focus. For context, I work an online job and am required to work a lot of night hours. It is a very mentally tiring job and combined with distrupted sleep, due to working shifts, I can honestly say it has helped me tremendously.

  40. Monisha (verified owner)

    My kids age, 12 and 13 have noticed their increase in energy and focus. We are moving onto our third order and I couldn’t be happier that we finally found a product that keeps them focused without any side effects. Best of all it’s local!

  41. Alida (verified owner)

    Still very early days, but they seem calmer and focused.

  42. Melony (verified owner)

    My 17 year old son in G11 was on neurcon up until 3 weeks ago and I took him off as it gave him terrible moods. Diagnosed with ADHD at age 7. He started with Claricalm and Learnergy, It’s 2 weeks later and I can assure you he is really more focused and relaxed. These words coming directly from him – I wanted to cry.

  43. Karlien (verified owner)

    A very good product!

  44. Drienie (verified owner)

    This product are awesome. Within the 1st week my son’s teacher could see a difference and asked me what’s changed. Absolutely thrilled. My son loves the taste.

  45. Semukele (verified owner)

    Best product ever, my child enjoys and the taste is very good.

  46. Carla (verified owner)

    Thank you for developing an exceptional product that really works! When using Learnergy, I notice enhanced focus, prolonged concentration and optimal brain function. I will never tackle an exam without it again.

  47. Elma van Rooyen (verified owner)

    My daughter just love the product writing Matric exams and can’t go without it.. just gives the extra concentration needed…

  48. Priscilla (verified owner)

    My son’s concentration and energy has improved lot since taking Bioteen Learnergy.

  49. Louis (verified owner)

    My daughter’s are more energetic and focused during this time of exams.

  50. Bernadette (verified owner)

    I have only used this 1 week on my teen and can see a remarkable improvement in her overall mood and attitude.

  51. Sibongile (verified owner)

    My son loves the product. He said he is able to concentrate and it’s better than taking tablets.

  52. Debbie (verified owner)

    My son is using Learnergy and he seems to be a lot more focused and energized. He is using it in combination with ClariCalm and the Multivitamin. Seems to be a winning formula!

  53. Sashika (verified owner)

    Great product for my son! Really helps him focus in school and when studying.

  54. Avril (verified owner)

    An amazing product!

  55. Pat

    My children have improved their marks with Learnergy. The vitamins help them so much, that I will always make sure that I have these vitamins in stock.

  56. Anneline (verified owner)

    I bought the learnergy for my 10 year old son. He loves the taste and he says it really helps him with energy and keep him focused. He takes it before school and in the afternoon when he has to study for tests or exams. I will definitely buy this again.

  57. Carla (verified owner)

    My son has just started taking this as he is writing his matric finals. He says that he is definitely able to focus for longer periods of time to continue and push through with studies. Really wish we had tried this stuff sooner.

  58. Senatra (verified owner)

    I’ve put both my kids on Learnergy as my daughter is busy with matric finals and my son with Grade 10 final exams, it has really helped them stay focused during exam prep and whilst writing their exams. My kids love the taste and I’ve received positive feedback that it is helping them tremendously. Your product is a winner!

  59. Kirsten Morrison (verified owner)

    We’ve been using this product during current exams, it’s excellent. I will definitely be purchasing more as my sons’ really seem to focus much better when they take it.

  60. Annere

    My son is restless when he has to study and now can study for much longer periods and remember the content.

  61. Mareth (verified owner)

    All my children use it especially now during their exams, my eldest is writing her matric final exam and they all feel this product just makes a HUGE difference! Thank you Bioteen!

  62. Hesthia (verified owner)

    All I say is that this really works! My kids believe in this and will keep sharing and buying from Bioteen.

  63. Nicole (verified owner)

    Excellent support for my daughter during exams

  64. Tirzah Kitshoff

    Excellent product, great taste. Definitely helps with focus and concentration. (I must admit to sneaking a portion for myself every now and then to get myself going in the morning LOL )

  65. Christelle Maree (verified owner)

    My daughter loves the orange taste. Product really helps her focus

  66. Christelle Maree (verified owner)

    My daughter loves the orange taste. Product really helps her focus

  67. Ian Barnard

    Easy to make. My son has energy, and I see a definite improvement in his learning readiness since he started using the product. Also, the price point and flavour variations are great! We are ready to explore more of the products. We will try the energy shake next. Thanks for making parenting a little easier! 😉

  68. Teresa Knight (verified owner)

    My daughter loves the Orange (says it tastes like naartjie) and it helps her focus during the day. I look forward to seeing how it helps during exams too.

  69. Elsa Scholtz (verified owner)

    My order was easy with no problems. Received my parcel within 2 days. My son takes Learnergy and Claricalm in the morning and Relaxify in the evening. It’s been a week now and he say it definitely helps him to focus better in class and he is also much more relaxed. I can highly recommend Bioteen.

  70. Belinda Kleynhans (verified owner)

    Very impressed with this product. After the fist dose my teen said she could notice a difference in concentration and focus.

  71. Kathy (verified owner)

    Both my sons love it and say that it helps them focus during the day.

  72. Christa Eykelhof (verified owner)

    My twins are in high school and really experience the benefit of Learnergy. They are able to focus more and for longer in class and find that they retain stamina and focus to attend to their homework and studies after a long day of school and sport.

  73. Karen Eksten (verified owner)

    We only received our order 2 weeks back, and still testing it.
    Patiently waiting to see how it will go.

    thank you.

  74. Roxy (verified owner)

    My eldest son has just received a spectrum diagnosis. He struggles with mood and concentration. I took a chance on learnergy and after 3 days I can see a boost in his concentration and mood… he is calmer, happier and more focussed on school.

  75. Suriyaganthy Munchund (verified owner)

    My kids love drinking it, they even ask for it. I have already seen an improvement in concentration.

  76. Tersia Kruger (verified owner)

    Great service and product. Thank you!!

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In this day in age, teens have a lot going on, from school, to sports to growing their social network. With all these things on the go it’s not uncommon for there to be some gaps in their diet. At Bioteen, we recognise that this could be a problem, so we’ve created a range of all-in-one and stand-alone products that not only help to fill these gaps, but also use evidence based nutraceuticals to enhance various areas of focus that can help your teen reach their full potential. One of these areas of focus is academic performance.


Getting good grades doesn’t only feel good, but it is also an important step towards a successful future. In most cases, the grades you get in high school will determine what opportunities will be available to you after school. Besides optimising the structure of your teen’s study sessions as well as their study environment, there is also a range of clinically proven nutraceuticals that may improve your teen’s ability to learn. We have developed Learnergy using these ingredients, in order to have a meaningful impact. Let’s have a look at how all these ingredients work together to help us do that…


Brain energetics

Although the brain accounts for roughly 2% of your body weight, it uses a staggering 20-25% of an average adult’s energy, at rest! Interestingly, the brain’s primary source of fuel is glucose, with the adolescent brain using up to 120g/ day on average (1). This is one of the reasons why supplying the body with enough energy is very important, not just for general health, but for brain health as well.


With this in mind, it becomes clear that in order for the brain to work at its peak, we need to make sure that it is getting enough glucose on a regular basis, especially when rates of glucose utilisation go up, like during cognitively challenging periods (2,3). Does this mean that our teens should be eating tons of sugar to make up this amount? Definitely not! High sugar diets are usually not only low in nutrients, but instead of giving a sustained release of energy, they give short and sharp bursts. At Bioteen, we’ve taken this into account and that’s why we use a blend of intermediate and slow-release carbohydrates from glucose polymers derived from maize starch and Palatinose™ respectively. This blend means that when your teen uses Bioteen’s Learnergy, that their brains are getting sustained energy release which can lead to an improved mood (no more ‘hangry blood sugar crashes’) and also improved concentration and memory (4,5).

In addition to supplying energy in the form of glucose, Bioteen’s Learnergy also contains a number of key B-vitamins that are essential cofactors for the effective release of energy. Basically without enough of these vitamins, the amount of energy you consume would be irrelevant, because the body wouldn’t be able to access it (6).


Brain chemistry

The brain is made up of various neurons (aka brain/ nervous system cells) that communicate with one another via neurotransmitters, or chemical signalling molecules.


The type of signalling molecule produced can have a variety of effects on your teen’s academic performance by affecting their anxiety levels, ability to concentrate, memory and mood. Learnergy® contains effective doses of:


(1) Tyrosine, which is a precursor to dopamine, which is an essential neurotransmitter linked to a wide variety of functions including motivation and reward both of which can affect a person’s performance on cognitive tasks (7).


(2) L-Theanine (as Suntheanine®), which has an anxiolytic or anti-anxiety effect by displacing the excitatory neurotransmitter glutamate while also increasing levels of the inhibitory neurotransmitters GABA and glycine and increasing dopamine as well as your feel-good-neurotransmitter serotonin (8).


(3) Acetyl-L-carnitine which in addition to being involved in the production of GABA, also acts as a precursor to acetylcholine which is another inhibitory neurotransmitter that forms part of the parasympathetic nervous system (aka the relax and digest nervous system) (9,10).


(4) Various B-vitamins, which in addition to acting as co-factors in important energy production reactions, also act as cofactors for the formation of important neurotransmitters (including dopamine, serotonin and GABA) (11).


Protection against stress


Stress isn’t all bad, experiencing some stress is an important part of healthy development which helps your teen develop resilience. But, because the teen brain is still developing, teens may respond to stress differently than adults and so it is important that we prevent stress from becoming toxic. Toxic stress happens when your teen is chronically stressed which can put them at an increased risk for stress-related mental disorders like anxiety and depression.


This toxic, psychological stress can also increase the amount of oxidative stress experienced by the brain which can further increase the risk for certain diseases. To counteract this, Learnergy contains the antioxidant nutrients, acetyl-L-carnitine and vitamin A, C, D and E as well as betaine hydrochloride which specifically helps to maintain cell volume to reduce osmotic stress (which is protective against neurocognitive decline) (12,13).


Brain wave modulation

The brain produces electrical impulses that help the neurons communicate behaviours, emotions and thoughts with one another. They are classified according to their frequency into four types: alpha (less than 8–13 Hz), beta (more than 13 Hz), theta (less than 4–8 Hz), and delta waves (less than 4 Hz). Brain waves are generated in response to certain feelings (like relaxation or anxiety) but can also be stimulated to enhance those same feelings. Alpha waves are related to feelings of relaxation with an effortless level of alertness (these are ideal conditions for ‘flow’, or being ‘in the zone’) whereas beta waves are related to highly stressful situations or where there is a difficulty in mental concentration (14).

Bioteen’s Learnergy contains L-Theanine in the form of Suntheanine™ as well as Palatinose, which when consumed together produce exemplified results with regards to generating alpha brain waves. These are ideal because in addition to feeling relaxed but alert (which create an ideal setting for learning), they are not associated with feelings of drowsiness, which can be counterproductive (15-18).

The bottom line

Bioteen’s Learnergy contains a unique and targeted blend of nutrients and nutraceuticals to support concentration, memory and stress reduction. Available as a delicious and refreshing pre-study drink, Bioteen’s Learnergy is the perfect stimulant free study aid.


  1. Kuzawa CW et al. Metabolic costs and evolutionary implications of human brain development. PNAS September 9, 2014 111 (36) 13010-13015
  2. Magistretti PJ, Allaman I. A cellular perspective on brain energy metabolism and functional imaging. Neuron. 2015 May 20;86(4):883-901.
  3. Mergenthaler P et al. Sugar for the brain: the role of glucose in physiological and pathological brain function. Trends Neurosci. 2013 Oct; 36(10): 587–597.
  4. Micha et al. Glycaemic index and glycaemic load of breakfast predict cognitive function and mood in school children: a randomised controlled trial. Br J Nutr. 2011 Nov; 106(10):1552-61.
  5. Cooper SB, et al. Breakfast glycaemic index and cognitive function in adolescent school children. Br J Nutr. 2012; 107:1823– 1832.
  6. Young LM. A Systematic Review and Meta-Analysis of B Vitamin Supplementation on Depressive Symptoms, Anxiety, and Stress: Effects on Healthy and ‘At-Risk’ Individuals. Nutrients. 2019 Sep; 11(9): 2232.
  7. Goldman-Rakic, et al. 2000. D1 receptors in prefrontal cells and circuits. Brain Res. Rev. 31, 295–301. 35. Wurtman, R.J et al. 1981. Precursor control of neurotransmitter synthesis. Pharmacol. Rev. 32, 315–335.
  8. Sheffler Z, Reddy V, Pillarisetty L. Physiology, Neurotransmitters [Internet]. 2022 [cited 25 August 2022]. Available from:
  9. Jones LL, McDonald DA, Borum PR. Acylcarnitines: role in brain. Prog Lipid Res. 2010 Jan;49(1):61-75. Review
  10. Kuratsune H, Yamaguti K, Lindh G, Evengard B, Hagberg G, Matsumura K, et al. Brain regions involved in fatigue sensation: reduced acetylcarnitine uptake into the brain. Neuroimage 2002;17:1256–65.
  11. Kennedy D. B Vitamins and the Brain: Mechanisms, Dose and Efficacy—A Review. Nutrients. 2016;8(2):68.
  12. Zhang M, Zhang H, Li H, Lai F, Li X, Tang Y et al. Antioxidant Mechanism of Betaine without Free Radical Scavenging Ability. Journal of Agricultural and Food Chemistry. 2016;64(42):7921-7930.
  13. Wang L, Muxin G, Nishida H, Shirakawa C, Sato S, Konishi T. Psychological Stress-Induced Oxidative Stress as a Model of Sub-Healthy Condition and the Effect of TCM. Evidence-Based Complementary and Alternative Medicine. 2007;4(2):195-202.
  14. Abdou A, Higashiguchi S, Horie K, Kim M, Hatta H, Yokogoshi H. Relaxation and immunity enhancement effects of γ-Aminobutyric acid (GABA) administration in humans. BioFactors. 2006;26(3):201-208.
  15. Nagai Y et al. Effect of Palatinose administration on alpha-1 brain waves in human volunteers. Food Sci. Technol. Res., 9 (4), 357–360, 2003.
  16. Kobayashi, K, Nagato, Y, Aoi, N, Juneja, L, Kim, M, Yamamoto, T. Effects of L-theanine on the release of α-brain waves in human volunteers. Nippon Nogei Kagakukaishi 1998, 72, 153– 157
  17. Juneja, R.; Djong-Chi, C.; Tsutomu, O.; Yukiko, N.; Hidehiko,Y. L-theanine—A unique amino acid of green tea and its relaxation effect in humans. Trends Food Sci. Technol. 1999, 10, 199–204

18. Song C.H, Jung J.H, Oh J.S, Kim K.S. Effects of Theanine on the Release of Brain Alpha Wave in Adult Males. Korean Journal of Nutrition 2003 Nov;36(9):918-923.


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You will receive (25 Biorewards) and an additional (25 Biorewards) for each friend that follows the link.

Share the love on Twitter and let your friends know about Bioteen and you will earn 25 Biorewards for every share and 25 Biorewards for every friend that clicks on the link. We want to bring health and wellness to parents of teens everywhere and we woud love your help.

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Refer A Friend

(50 Biorewards Plus)

Share the love with your friends and they will earn R100 worth of Biorewards on joining and you can earn 50 Biorewards for sharing Bioteen with them. You will also earn additonal Biorewards if:

Your freind joins the loyalty program: 50 Biorewards to you
Your friend buys a product: 50 Biorewards


Sponsor your friend(s)

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