Find the World's Best Value on Your Favorite Vitamins, Supplements & Much More Hi, I am very impressed with the effects of this nootropic and am taking L-Theanine capsules right now, 250-500 mg a day. As powder seems to be Hey all, I recently acquired some L-theanine powder from bulkpowders. I have a precision scale but the powder is super chunky, making it hard to put it into capsulses. This morning, I mixed the powder (approx. 200mg) with soda water and it tastet horrible. Very bitter. The taste also didn't subside with my coffee Sublingual L-theanine (bulk powder) I've been taking l-theanine for the last few days in doses of 800mg spread throughout the day as 200mg in a cup of black tea or water as an anxiolytic. While I have felt diminished anxiety for the first few days, I wasn't feeling satisfied with the results I've been take Purisure's L-theanine Powder, 400mg twice a day. I'm going to try a lower dose, I started at 400mg because I was combining it with 200mg Caffeine. 2. Reply. Share. Report Save. level 1. 8 days ago. I use it all the time its been amazing with keeping me calm and focused. It's a great addition to kill of the feeling of being too.
Empty stomach or not, makes no difference for me (true for powder form, pills might be different). Powder dissolves in my mouth and that's it. Pills might be different. Regarding matcha tea, i actually started with it but eventually moved to L-Theanine powder form. Reason is, it takes time to prepare, i wasn't sure about the theanine. . Unlike some of the conventional anti-anxiety treatments, the l-theanine supplement doesn't cause drowsiness because it particularly affects the brain waves that influence relaxation and mood If you're skeptical, this small $10 pack of pure L-Theanine powder is a great place to start and will last you longer than you think. If it's not your thing, no harm done. If it's not your. Nootropics Depot L-Theanine Powder. 1. If you want to most economical option, or want more control to experiment with your ideal dosage: Nootropics Depot L-Theanine Powder. It's economical. Seriously, at 1250 servings (if you prefer 100 mg doses of l-theanine) for under $12, you can order a tub and use it for well over a year if you took it.
L-theanine is a compound that occurs naturally in green tea and black tea, and it is also available in supplement form. Research suggests that L-theanine might provide a range of health benefits,.. L-Theanine Powder 100g (500 Day Supply) 100% Pure, Non-GMO, Gluten Free, Mood and Cognitive Supplement, Stress Relief and Relaxation - Fit Powders 4.7 out of 5 stars 384 $11.75 $ 11 . 75 ($3.36/Ounce theanine powder for coffee. l-theanine now foods amazon. l theanine and caffeine adhd. l-theanine side effects liver. l theanine dose for anxiety. l theanine caffeine ratio reddit. l-theanine half-life. theanine half life reddit. so far and tasked with this location It is utilized in clients with nephritic syndrome (and various other. Suntheanine is Taiyo's pure form of L-theanine, produced via a patented fermentation process that mimics the natural process in green tea leaves. It promotes relaxation without causing drowsiness, positive mood, mental clarity, focus, reduces nervous tension, and helps prevent the negative side-effects of caffeine
100% Pure L-Theanine, 365 Capsules, 1-Year Supply, No Magnesium or Rice Filler, 355mg per Serving, Made in The USA, Potent and Gluten-Free, Non-GMO, L-Theanine with No Additives 365 Count (Pack of 1) 4.7 out of 5 stars 28 One of those compounds? L-theanine. Fortunately, you can also get L-theanine in supplement form, which can help with relaxation, focus, and sleep. Let's take a closer look at L-theanine and its calming, centering, sleep-boosting abilities. What is L-theanine? L-theanine is an amino acid that is found in tea leaves. It was identified in tea by.
L- Theanine Benefits. In this video we take a deep dive into the benefits of the amino acid L-Theanine to see what it is best used for, how it works, and how.. L-Theanine is considered a nondietary amino acid, not unlike L-Ornithine or L-Citrulline. L-Theanine is primarily known for its ability to promote relaxation without causing sleep and is often paired with Caffeine. It is thought that L-Theanine helps balance the negative effects of Caffeine that some people experience L-Theanine Powder is derived from Camellia sinensis--the tea plant. Black, green, and white teas all come from the Camellia sinensis plant and also provide the compound. L-Theanine is an amino acid, but it isn't an essential amino acid or one of the more common nonessential amino acids that you might be more familiar with 100% L-theanine powder, providing 200mg of this non-essential amino acid in a 200mg serving. L-Theanine is a non-essential amino acid that's naturally found in green tea. It's gained increasing popularity in recent years as an alternative to the Kava Kava herb We'd recommend a dosage of 100 - 200 mg pure L-Theanine at any point in the day that you'd like to feel more relaxed. Many people choose to take an L-Theanine supplement in the morning with a cup of coffee, because of the syngeristic relationship between L-Theanine and caffeine.. If you're wondering about how much L-Theanine to take for sleep, we'd recommend a slightly higher dosage.
At 1:30 into the excursion threw down 250 mg l-theanine powder. I've had some NYCD to loosen up pre-event. During the event it will be noshing, wine, tequila shots, and a hit or two of G-13. The crowd is 20s to 60s, pretty loose annual get-together, So far I am still ascending on the 4-FA, modified by the bioperine and l-theanine. This is a. Oral L-Theanine capsules work well for me, but I'm curious about L-Theanine's bioavailability when smoked or snorted. I imagine that snorting it will work, but isn't efficient, because a normal dose is 100-300 milligrams, and that's a lot of powder to snort for a single dose Then heard of L-THEANINE, researched, and bought some. 1 tab. p/d for 7-10+ days, before a tiny 'glimmer' of hope. Now 2 months later I feel okay -occasional bad day. I'm eating healthy now and exercising, which together, can HELP anxiety. L-theanine got me feeling well enough to take care of myself
L-theanine is an amino acid that's obtained from green tea leaves. It's generally recommended to take it alongside stimulants such as caffeine as it helps calm things down and ward off jitters.However, only a handful of the products available out there are worth trying. And that's why we'll be comparing some of the best L-theanine [ L-theanine has become a lifesaver for me as far as relieving stress and allowing me to focus. Haven't had kava for awhile because of budget issues. Kava should be here in a few days, and I'm wondering about the effects of taking them together. Obviously, I could just skip the l-theanine on days.. Find helpful customer reviews and review ratings for LifeSeasons - Anxie-T - Anti Anxiety Support Supplement to Combat Stress - Calm and Stress Supplement - Feel More Relaxed - Contains Kava Kava, GABA, L-Theanine - 60 Capsules at Amazon.com. Read honest and unbiased product reviews from our users L-Theanine is an amino acid that is not common in the diet and not one of the essential amino acids or even one of the common nonessential amino acids. It is found in meaningful amounts in tea, but otherwise supplementation is the main source of it Anyways, I return with a bottle of 100ct DLPA-500mg, 90ct L-Theanine-200mg, and in my personal stock I already had a jar of a nootropic powder that contains everything on the list except for the DLPA, L-Theanine, and caffeine. -5:00AM- It is now 5:00 AM and I'm not feeling any noticable effects yet. I brush my teeth, wash my face, comb my hair.
Commonly found in the leaves of tea, especially green tea, L-Theanine is an amino acid compound.It can also be found in Boletus badius, which is a species of edible mushrooms. Though the clinical research in still in the initial stages, researchers believe that the use of L-Theanine either in its supplement form or tea form can help patients of depression to feel relaxed and calm without. 2. L-theanine is a natural remedy for stress and anxiety relief. Chronic stress increases the risk of depression recurrence. On a biochemical level, chronic stress involves HPA axis dysfunction and high levels of stress hormone, cortisol that contributes to neuroinflammation Appearance: Fine Powder Please contact MainChem Co, Ltd. for any questions regarding L-Theanine. We would be happy to provide a quote, a sample, or further information regarding it, L-Theanine MSDS -Material Safety Data Sheet and L-Theanine CAS3081-61-6 COA-Certificate of Analysis, Product Data Sheet - in PDF Document It is often advised that people take an L-theanine supplement, which can be in the form of L-theanine tablets, L-theanine capsules, or L-theanine powder. L theanine anxiety side effects. Theanine might increase the risk of blood pressure dropping too low in people prone to low blood pressure ,hence cause cold feeble body and increased confusio
L-theanine showed no hepatoprotective effect in an in vitro study.27. Dosing. L-theanine crosses the blood-brain barrier, with effects evident within 30 minutes and measurable up to 5 hours after administration.5, 15, 19 The chemical is metabolized in the kidneys to glutamic acid and ethylamine.28 Data supporting a clinical role for theanine. Product Title (2 pack) Airborne Good Rest Very Berry Powder Immune Average rating: 4.4 out of 5 stars, based on 7 reviews 7 ratings Current Price $10.58 $ 10 . 58 - $21.14 $ 21 . 1 L-Theanine L-theanine is an amino acid that is found in some plants, most prominently green tea. It has brain-calming, stress and anxiety-reducing, and sleep-promoting effects
L-theanine is found in tea leaves and as a dietary supplement ingredient,and it can relieve fatigue, reduce blood pressure and improve learning and memory ability,but no hypnosis. An enzymatic method for manufacturing synthetic L-theanine (Suntheanine ) has been developed. The regulatory status of theanine varies by country. In Japan, L-theanine L-Theanine - L-Theanine commonly found in green tea helps boost alpha and theta brain waves, is anti-anxiety, boosts cognition and memory and reduces insomnia. L-Theanine also helps boost GABA, serotonin and dopamine levels in your brain. Suggested dosage of L-Theanine is 250 - 500 mg per day Buy TeaCrine Powder - Nootropics Depot is the #1 most trusted source for high quality Theacrine supplements. Read reviews, learn uses and benefits. 10% off first orde 6. Noopept and L-Theanine stack. It allows you to be focused and relaxed. L-Theanine is a natural variant derived from green tea. It is a type of a calming amino acid which creates a relaxed and calm mood without any drowsiness. L-Theanine enhances the effects of Noopept's cognitive ability. 7. Noopept and alcohol stac Suntheanine is the trade name for Taiyo's patented pure form of L-theanine. Suntheanine is not an extract of green tea but rather is produced via a patented process that mimics the natural process in green tea leaves, resulting in a 100% pure L-isomer-theanine
L-Theanine and alcohol. L-Theanine is an amino-acid that is found naturally in green tea. If you want to feel its full effects, L-theanine supplements are safe and effective. Low doses produce a state of mindful relaxation that favors focus and productivity, while higher doses can be sedating, though without impeding cognition Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include IBM Watson Micromedex (updated 3 May 2021), Cerner Multum™ (updated 4 May 2021), ASHP (updated 3 May 2021. Back to the L-theanine: I find that this amino acid works nearly as well as other anxiety-reducing products for quick relief from moderate anxiety. I take about 500 mgs of the powder sublingually when I feel the need for some calm. The effect comes on within about 15 or 20 minutes, and there is no sedative effect L-Theanine (r-glutamylethylamide) is a non-dietary amino acid found in green tea (camellia sinensis), and the mushroom Xerocomus badius.Structurally, L-Theanine is similar to the neurotransmitters l-glutamate and l-glutamine.. L-Theanine easily crosses the blood-brain barrier.And taken as a supplement or by drinking green tea, reaches your brain within 30-45 minutes L-THEANINE. L-theanine is a pretty mild anxiolytic, but people who are sensitive to substances can experience some significant benefits from it. I don't get a whole lot of benefit from l-theanine, but that's because (as I've mentioned) I've been prescribed heavy-duty anxiety medication for most of my life. Some users think L-theanine.
L-Theanine, which is also referred to be the shortened name Theanine, is an amino acid analogue. It was first extracted from green tea in 1949, and the Japanese government approved it in 1964 for usage in unlimited quantities within all food sources except for infant formula Factory Provided L-theanine Powder Specification: 98.0%-102.0% Appearance: White powder CAS No. : 3081-61-6 Shelf life: 2 Year . Ask for Quotation Factory Provided L-theanine Powder . Product Description L-theanine, also called Glutanmine Ethylamine, is a uniqu Additionally, L-theanine helps in generating alpha brain waves that are associated with a state of feeling alert and relaxed. Health Benefits of L-theanine in Green Tea Studies say that L-theanine works in such a way on the nervous system that it does make a person feel relaxed but at the same time, it keeps one alert as well L-Theanine is The main driver of our calming effect, said Andrew Goldman, a physician and co-founder of Good Day Chocolates, a line of functional sweets that purport to promote sleep, energy. Overview. L-Theanine and caffeine is one of the most powerful and impressive supplement combos. Here we take a comprehensive look at everything involving this combination, including how it works, the dosage and ratios, how to take it most effectively, and all the different benefits and uses
L-theanine is typically fairly cheap. Powder City, for example, sells L-theanine capsules at the following prices: — 30 Capsules: $3.95 — 90 Capsules: $9.99. Each capsule contains 200mg of L-theanine. Conclusion: Who Should Use L-theanine? L-theanine isn't backed by overwhelming scientific evidence - but the same can be said about most. L-Theanine is an amino acid that is found in a variety of plant and mushroom species, and is particularly abundant in green tea. L-Theanine is commonly referred to as simply Theanine, not to be confused with D-Theanine. L-Theanine possesses a unique savory, umami flavor profile and is often used to reduce the bitterness in some foods The problem with using brewed tea as a source for l-theanine, is the content is far to low especially compared to the caffeine content in it. While tea is certainly relaxing as all hell for a variety of reasons, I've heard/read over and over again that its impossible to achieve a nootropic ratio of theanine-stimulant with tea alone
L-theanine is an amino acid commonly found in tea. Together with caffeine, it may produce a distinct cognitive enhancement profile without the jitters or other side effects. In addition, L-theanine has many other potential health benefits. Read this post to learn more about the health benefits of theanine I'm about to start a mild (after a 2 week binge of around 2g/day, following a 5 day xanax binge) phenibut withdrawal right now and I have some L-Theanine powder so I'm gonna give it a try. What really complicated things for me is I caught a flu or a cold or something a day after quitting the phenibut Experiences Shared on Reddit. This is a wonder drug for meI take 300mg Adrafinil powder as soon as I get up, and usually in 90 minutes I can feel its effects. I don't get any high, no peak, no plateau and no crash. Adrafinil + L-Theanine: Adrafinil keeps you energized while L-Theanine promotes relaxation and fights fatigue. The.
Both 5-HTP and L-Theanine reduce anxiety and boost mood. However, L-Theanine also boosts the immune system, and shows no indications of having any side-effects at all. The lack of immune-boosting capabilities for 5-HTP, as well as the slim chance of an adverse reaction from 5-HTP gives L-Theanine the slight edge in this competition The addition of L-theanine, an amino acid found in green tea, will take away the jitteriness often associated with caffeine, leaving a relaxed but alert state that is perfect for productivity. Caffeine stacked with L-theanine is one of the most popular combinations in the nootropic community. The combination is best taken only when an energy. L-Theanine Powder $ 9.95 - $ 33.97. Rutaecarpine Powder $ 11.75 - $ 49.93. Agmatine Sulfate Powder $ 7.95 - $ 27.95. Citicoline Sodium (CDP Choline) Powder $ 9.95 - $ 74.95. Beta Phenylethylamine HCL (PEA) Powder $ 11.95 - $ 65.95. Micro Scoops 10-15mg $ 1.99 - $ 79.55. L-Theanine and Caffeine Capsule
Best Nootropics for 2021. You'll notice in the categories above that some nootropics work in multiple areas of cognitive enhancement.This means fewer nootropics in a well-rounded stack.. And once you dive into the neuroscience behind each nootropic, you'll find synergy with how many of these ingredients work together.This may result in smaller doses of each for a bigger benefit There was also a significant positive caffeine x L-theanine interaction on delayed word recognition reaction time. (Journal of Biological Psychology, 2008)  According to the Reddit Nootropics group The combination of L-theanine and caffeine may improve attention more than caffeine alone (only available in Canada for now - full disclosure: this is a product i created and market). it's combine with bacopa & rhodiola & l-theanine. I also take a separate sleep supplement called Sleep Like Buddha 30 minutes before bedtime which contains more l-theanine, 5-HTP, & passionflower Caffeine + L-Theanine Nootropic Stack Sometimes the most straightforward stacks can be the most effective. For example, stacking two supplements you're probably already very familiar with, caffeine, which is found primarily in coffee, and L-theanine, an amino acid found in green tea, is a highly praised and inexpensive stack among nootropic. L-theanine is an amino acid that is naturally found in green tea and other plants. It is what gives green tea its relaxing and soothing effects. It reduces stress and promotes relaxation without.
Beet powder, also called beetroot powder, is a similarly bright pink or red product made from dried, ground beets. Beet powder is often advertised as a superfood and sold by natural food retailers Phenylpiracetam capsules will be a better experience than the powder if you are looking to buy phenylpiracetam online. Phenylpiracetam is a new nootropic that has only recently gained popularity due to anecdotal reports on internet communities like Reddit and Longecity 7. Solaray L-Theanine. With Solaray's L-Theanine formula you receive a combination of 200 mg L-theanine and 100 mg green tea leaf. Since L-theanine is the predominantly active ingredient in green tea and one of the main reasons why green tea has so many health benefits, this combination is quite powerful
Established in 2012, Braintropic is a free resource site for those that want to learn about the mind-boosting effects of nootropics. Our mission is to provide you with everything you need to know to get started with nootropics including guides for beginners, stack ideas, and detailed supplement profiles L-theanine may have a long-term protective benefit for brain cells, since many neurodegenerative conditions have been linked to excitotoxicity caused by high glutamate levels. L-theanine is an analogue of another amino acid known as L-glutamine, and can also serve as a building block for natural GABA production Phenibut is commonly used as a nootropic, an anti-anxiety medication, and sleep aid. Phenibut has a somewhat checkered past. The drug was developed by the USSR in the 1960's as a trial experiment on psychiatric patients. Tested at the Soviet Union at the Academy of Medical Sciences USSR and the I. M. Herzen Leningrad Pedagogical [
L-Theanine — Change Your Brainwaves. L-theanine is a uniquely relaxing amino acid found in black, white, green, and oolong teas. It increases the levels of GABA and serotonin and dopamine, two other important neurotransmitters. L-theanine is considered an adaptogen, a stress-relieving substance that makes you more resilient to life stressors.. Buy the best memory supplements from Nootropics Depot - Nootropics Depot is the #1 most trusted source for the best memory supplements. Take 10% off your first order of memory supplements from Nootropics Depot when you subscribe to the Nootropics Depot newsletter The caffeine hits you, but the L-theanine calms you, so you don't notice the same jitters. One of the most popular and highest-rated options in the culinary category is Jade Leaf's Culinary Matcha. The flavor is rich and earthy, not sweet, and customers describe the powder as versatile and easy to blend อ้างอิง. Kimura, K. , Ozeki, M. , Juneja, LR, & Ohira, H. (2007). L-Theanine ช่วยลดการตอบสนองความเครียดทางจิตใจและสรีรวิทยา จิตวิทยาชีวภาพ, 74(1) 39-45. Juneja, LR, Chu, DC, Okubo, T. , Nagato, Y. , & Yokogoshi, H. (1999) แอล - ธีอะนีน. L-Theanine is a little-known amino acid that maintains protein balance and boosts the immune system in the body and helps in relaxation of the muscles and the nervous system without adding the sedative effect. It is different from L-Threonate even though they are both amino acids
A study showed that in larger doses, L-Theanine increases alertness, working memory, and visual attention. (4) If you can, choose the patented form of L-Theanine such as Suntheanine®. Aim for the dosage of around 100mg, which gives you more L-theanine than 10 cups of green tea - but with the bonus of having no excess caffeine L-theanine (found in Composure and Anxitane) is a type of amino acid with some evidence to show it is effective at reducing anxiety in dogs. Because of its safety, and the low risk of side effects, it is a popular remedy for owners who don't want to give their dog medicines like Xanax A number of natural supplements also affect GABA activity, to help relieve stress and anxiety, promote a balanced mood, and help with sleep. I've written about valerian and hops, magnesium, and. Pre Train is a great pre workout powder made by Rule One Proteins. It contains excellent ingredients, and the formula as a whole is very comprehensive and transparent. The one thing it lacks that the supplements ranked above it have is exceptionally high overall potency Welcome to Peak Nootropics. If you are looking to safely improve your overall mental performance, you have come to the right place. You can rest assured that our high quality and independent 3rd party tested nootropic supplements will help you meet your cognitive goals
Theanine is a unique non‐protein amino acid found in tea (Camellia sinensis). It contributes to the favourable umami taste of tea and is linked to various beneficial effects in humans. There is an in.. Aniracetam is a nootropic that helps with many brain functions. Its primary benefits are improving memory, learning and focus. It can also help protect the brain and can be used as a form of treatment for elderly patients with Alzheimer's disease and dementia. Among similar nootropics, Aniracetam is unique in its anti-anxiety and mood enhancing effects, not [ The neuropharmacology of L-Theanine(N-ethyl-L-glutamine): a possible neuroprotective and cognitive enhancing agent. J Herb Pharmacother. 2006;6(2):21-30. View Abstract 21 Wakabayashi C, Numakawa T, Ninomiya M, et al. Behavioral and molecular evidence for psychotropic effects in L-Theanine. Psychopharmacology (Berl). 2012;219(4):1099-1109 L-theanine. L-theanine is an amino acid that occurs in black and green teas. People can also take l-theanine supplements. A 2016 review reported that l-theanine may increase alpha waves in the. L-Theanine and Charisma. We know that to be charismatic we need to have a clear set of goals and values, invigorate our communications with our emotions. We need to be a lighthouse of who we are. People will understand who we are by what we do. Alone l-theanine is not going to enhance your charisma there is one ingredient that is missing
Accordingly, Adrafinil, Aniracetam, Bacopa Monnieri, L-Dopa, L-Theanine, Noopept, Phenylpiracetam, Piracetam, Rhodiola Rosea, and Uridine fail to bear adequate directions for their intended uses. Mind Nutrition sell the best nootropic capsules, powders and supplements in the UK. Buy natural nootropic stacks in the UK from leading natural supplements. Global and Next Day UK Delivery, FREE over £50
L-theanine on its own has been shown to promote GABA production. GABA, or gama-aminobutyric acid, is a neurotransmitter that acts as the main inhibitor in the human central nervous system. GABA can block stress messages, reduce neuronal excitability, and generate alpha waves Introduction. l-theanine is a nonproteinogenic amino acid contained in green tea 1 and mushrooms. 2 Among the different tea varieties in Japan, gyokuro and matcha contain more l-theanine than sencha. 3 l-theanine affects brain functions. 4 Studies in mice indicate that it improves behavior under stress conditions, 5 suppresses deterioration of learning ability under social stress, 6 and.
An amino acid, L-theanine, has been shown to increase focus when paired with caffeine, and promote relaxation, reduce stress, and better sleep when taken individually. Fj Real fruit juice powder L-DOPA (levodopa, L-3,4-dihydroxyphenylalanine) is an amino acid synthesized in your brain by the amino acid l-tyrosine.L-DOPA is a precursor of several neurotransmitters including dopamine, epinephrine, and norepinephrine.. Mucuna Pruriens contains L-DOPA in high concentrations. And is used as a nootropic because dopamine itself cannot cross the blood-brain barrier What is L-theanine? L-theanine is an amino acid that is found naturally in teas, both green and black varieties, says Heidi Moretti, MS, RD.This relaxing amino acid has been clinically researched to help support against symptoms of temporary anxiety and stress in people. L-theanine is not among the nine essential amino acids, the building blocks of protein L-Theanine (γ-glutamylethylamide), a unique amino acid present almost exclusively in the tea plant, has recently received research interest in the neuroscience community with findings of neuroprotective effects [see Kakuda ] and mood effects indexed both by subjective self-reports and via psychological and physiological responses to stress
L-theanine and caffeine is a well-researched combination that offers clear benefits to concentration and focus. This is an ideal way to decrease the side effects of caffeine (and coffee), while still giving you access to all the benefits Both groups received l-theanine (200 mg in 100 ml water) and placebo (100 ml water) in double blind repeated measurement design protocol. Since l-theanine is a colourless, tasteless, and water soluble powder, the placebo- and l-theanine containing drinks were not perceptibly different in appearance or taste. Subjects were allowed to pre. Pure Nootropics has been a leading vendor in cognitive supplements since 2013. Buy with confidence; low prices, 3rd party tests, free shipping, and a money back guarantee coconut lime likes to claim, without proof, that he is close friends with several billionaires. if you ask him what's new, he will say just hustling bro, big things comin and if you press him for details, he will change the subject. he mostly spends his weekends online, racking up karma on reddit and moderating the jason mraz fan club message board The traditional tea ceremony favors this light-bodied matcha because of its easiness to drink and its savory sophistication on the tongue. A cup that's rich with umami, velvety, and impressively smooth. Matcha is rich in vitamin C, antioxidants, catechins, EGCGs and L-theanine