Shop Popular. Looking for other EU alternatives. It usually comes in a powder or a capsule. Sonwu Supply Raw Powder 4-Amino-3-Phenylbutyric Acid Phenibut Capsule Phenibut. China Phenibut manufacturers - Select 2023 high quality Phenibut products in best price from certified Chinese Minoxidil, Alpha Lipoic Acid suppliers, wholesalers and factory on Made-in-China. This stuff from Raw Powders tasted like cardboard in comparison, with a weird "off" aftertaste. Phenibut has a half-life of 5. When combined with other drugs, Flakka can be impossible to spot. For instance, I took it after getting the COVID vaccine and it completely eliminated my cold/flu like symptoms. Phenibut is a psychoactive medication developed during the 1960s in Russia. e. Given early on to Soviet astronauts to attain relaxation and focus, it is now widely prescribed throughout Eastern European countries like Russia, Latvia, Ukraine and Kazakhstan, where it is known under various trade. This was my first experience and first time ever ingesting Phenibut in any form. I've ordered from him 3x and all transactions have gone great. Phenibut is also commercially available as the free amino acid, which is slower toDo not know if they send to your country, nor have I tested it specifically, but I can tell from experience I believe it matches the potency of the most well-known vendors (subjective). Products are exported to North America, Europe, Australia, Middle East and other regions. Excipients: Lactose monohydrate, povidone K-25, calcium stearate, potato starch. This site has been referred to as the gabapentin receptor (α 2 δ subunit), as it is the target of the drugs. , GABA analogues) which block α 2 δ subunit-containing voltage-dependent calcium channels (VDCCs). phenibut. Dietary supplements include such ingredients as vitamins, minerals, herbs, amino acids, and enzymes, and are typically marketed in forms such as tablets, capsules, softgels, gelcaps, powders, and. Phenibut is currently not approved for medical use in the United States. t-1:00 1 spoon (3g) kratom. It usually comes in a powder or a capsule. Phenibut was first detected only after the FDA warnings in two brands, and the quantity of phenibut increased in three of four products after the FDA warnings. – Can drastically improve your mood. 99. com. Featured Products;Happy Hippo phenibut is $23 for 50 grams, while Primaforce is $13 for 22. The Center for Science in the Public Interest today is urging the Food and Drug Administration to bring enforcement proceedings against companies that market dietary supplements, foods, or other products that contain phenibut—an illegal unapproved drug with a rocky safety record. Where can I find the stronger phenibut to buy online, it may be called "f-phenibut". Buy Phenibut Powder from Nootropic Source. I once had it ordered on Saturday and it arrived Monday. Additionally, it is prescribed in many eastern European countries for various aliments. Take it easy at first and see how you respond. At the time of writing, the 25 g Phenibut HCL Powder from Nootropics Depot costs $8. t+2:00 smoke the other half. While the Phenibut nootropic was first developed as a treatment for anxiety, researchers soon recognized its effects as having characteristics that extend far beyond improving stress. 15' sublingual until swallow. It's hard to keep more than that under your tongue, haha. Fast, reliable shipping that arrives within 5-12 days. 5 grams at 5pm. 20 Boxes (MOQ) QQY Edu Inc. According to the report, the effects begin in 60-90 minutes and last 4-10 hours. According to this report, people typically take 0. I usually purchase from livestrong. 99. – Kills social anxiety as well as general anxiety. What is Factory Supply Bulk. 1. – Increases social freedom and the desire to socialize. I’m serious a kilo of good quality phenibut is like $200 usd. Factory Supply 99% Original Powder Phenibut/4-Amino-3-Phenylbutanoic Acid CAS 1078-21-3 . What Makes Phenibut Psychoactive? Side Effects. Our premium products are designed to promote relaxation and support a positive mood. China Buy Phenibut manufacturers - Select 2023 high quality Buy Phenibut products in. 1,2 Phenibut also has sedative properties. Complete Hemp & CBD Bundle – Liquid Set. The current literature on the effects of. If you are not sure how you react to phenibut, I recommend starting with a small dose or avoiding this product. White or almost white, crystalline powder, Very slightly soluble or practically insoluble in water, sparingly soluble in methanol, slightly soluble in ethanol(96 percent). Phenibut FAA: This is phenibut just as a pure, free amino acid (FAA). 9002652) is an analytical reference standard categorized as a gabapentinoid and a nootropic. See moreLiftMode: Best quality and fast service. Benefits. Phenibut (short for beta-phenyl-gamma-aminobutyric acid) is a anixolytic comes from a compound called GABA, a type of neurotransmitter responsible for signal transmission efficiency, as well as to elevate mood, enhance thinking abilities, reduce anxiety, and induce a calming effect for a sound sleep. It is used as medicine. 4-amino-3-phenylbutyric acid. According to the report, the effects begin in 60-90 minutes and last 4-10 hours. 99 for 10 grams (Free Shipping) ELV Bio – $59. It's a very persnickety substance that can change from use to use. The ones in my area are called "Walkers". All Phenibut Products. Clear. US$ 10-100 / box. It can have significant risks if used improperly, in large amounts, or more. Hey, watch out with F-Phenibut, i ended in hospital, but it was my own fault, it is like 10 times stronger, but no euphoria, thats why i used too much and was in for 5 days. China Phenibut Hcl Powder manufacturers - Select 2023 high quality Phenibut Hcl. Pure DMHA powder (2-amino-6-methylheptane) can be bought online at the following retailers. $ 29. This is not a supplement, really. 01/215. 2. 2 × 2 × 3 in. Gabapentin is sometimes used in a Phenibut. The authors of this report undertook to assess their own health status during ongoing consumption of a high daily dosage of oral agmatine over a period of 4-5 years. Wholesale Phenibut - Select 2023 high quality Wholesale Phenibut products in best price from certified Chinese Alpha Lipoic Acid manufacturers, Minoxidil Sulphate suppliers, wholesalers and factory on Made-in-China. We report a case in. Check each product page for other buying options. [12] [13] Phenibut also makes rats less aggressive. Unstoppable 300g - USA version Dedicated Nutrition. Phenibut is also known as phenigamma, Anvifen®, Fenibut®, and Noofen® [1,2]. It is being used for reducing fatigue and improve nerve function in bodybuilding. Buy USA Warehouse Factory Wholesale Nootropics Supplement White Raw Powder 99%Purity Phenibut CAS 1078-21-3 Tinaneptine 5htp Fphenibut HCl Phenibut US$ 0. Phenibut is a GABAergic nootropic that significantly reduces anxiety, eases depression and PTSD symptoms, improves sleep quality, and promotes ease and well-being. Signs and symptoms of phenibut overdose include: changes in consciousness. Along with tranylcypromine and isocarboxazid, phenelzine is one of the few non-selective and irreversible MAOIs still in widespread. ,Ltd. Add To Cart ». Would it be better to just open up the pills and dissolve the powder?Around 500mg, a few times in a day. Phenibut is used for anxiety, fear, trouble sleeping (insomnia), tension, stress, fatigue, post-traumatic stress disorder ( PTSD ), depression, alcoholism, and irregular heartbeat. This slightly altered chemical structure allows the compound to easily dissolve into water and break down in the stomach. COM Gamma Aminobutyric Acid Powder - GABA Supplement, GABA 750mg, GABA Powder - Focus & Stress Supplements, Gluten Free, 750mg per Serving, 100g (3. However, rawpowders . 1. EFFECTS CLASSIFICATION. Some phenibut users can also develop a tolerance to the drug within days of their first dose, making it so they have to take much more of it to feel the same effects. At the time of writing, the 25 g Phenibut HCL Powder from Nootropics Depot costs $8. Absorb Health offers dietary supplements and natural skin care products with free US domestic shipping and a money-back guarantee. However, in view of information paucity, assessment of long-term safety of oral agmatine treatment is now clearly required. ago. Phenibut is a central nervous system depressant and can cause slowed or slurred speech, drowsiness, impaired coordination, and vomiting. Fluorophenibut (F-Phenibut) FAA – powder, 10 g; The Complete Phenibut Bundle – powder set; In this context, it makes sense to distinguish between the two main forms that Phenibut is sold in the market – Hydrochloride Salt (HCL) and Free Amino Acid (FAA). 5 grams (90 capsules that are 250 milligrams each). 5. – Decreases stress. Phenibut is a derivative of the naturally occurring inhibitory neurotransmitter Gamma-Aminobutyric Acid, or GABA. Rated 4. Unlike GABA, because of the added phenyl group, phenibut is able to easily cross the blood brain barrier, and can consequently exert its functions more. ND has already acknowledged the Phenibut issue and it's due to a supply shock. CHEMICAL NAME. Every batch or canister needs a COA before it should be even sold, and I doubt bulk Chinese phenibut has as much diligent lab testing as the American vendors that package it. 1 kg (MOQ)First step. US$ 80-150 / kg. As Phenibut lowers anxiety, lifts mood, and free up mental energy, Modafinil is a potent wakefulness-promoting agent that greatly sharpens the concentration and performance, resulting in enhanced productivity. While it does remain legal to buy, sell, and possess the drug, phenibut it is not considered a safe substance to consume. Now, you may know that already, but your. I'm one of those people who can feel the effects of Phenibut up to 48-hours after ingestion. Emoxypine. The salt also explains why this form of phenibut looks more like crystals than powder. Home / Nootropics / Phenibut HCL – Powder, 50 grams. I won't eat for around 2 hours and the effects are always dramatic. Phenibut HCL is Phenibut with a hydrochloride salt component. White or off-white crystalline powder. Hot Sale Phenibut Powder 99% Phenibut/Phenibut HCl CAS 1078-21-3 . – Increases levels of relaxation. Extremely Long Lasting. While phenibut may be beneficial for the treatment of anxiety symptoms, there is insufficient safety information regarding its use. Therefore, we will check out proper dosage amounts and the time for onset, but first, it is good to know the popular ways to take it. Fast USA Shipping. Don't promote reckless behavior. Raw Powders provides only a high-quality Phenibut supplement with freshly renewed formula. Started taking phenibut in 2016, fell in love right away. The vendor sells their Phenibut in powder form with 50-gram and 100-gram variants on offer. Occasionally I feel sweeping waves of emotion or empathy about things im reading or seeing. 95 – $ 149. Satisfaction. It has a long half-life. 2:45PM - I’m beginning to feel that last dose, its mild yet enjoyable. And we know that phenibut + weed = weed minus anxiety. 99. Phenibut is a supposed wonder drug that claims to promote sociability and lessen anxiety. The equasion is: Phenibut HCl + NaHCO3 -> Phenibut + NaCl + H2O + CO2. 95 Select options. Slowed breathing. Keep in mind not to exceed 2 grams of Phenibut in a 24 hour period as that is way too much and can potentially be dangerous. Its plasma concentration can be determined from LC-MS . Took 300 - 400mg phenibut at 7:25am. Any dietary supplements that declare phenibut as a dietary ingredient are misbranded”. Absolutely amazing. GW-501516 20mg x 30mlFor someone seeking addiction treatment, phenibut detox is the first step to recovery. Discover the benefits of Phenibut capsules and powder, also known as β-Phenyl-γ-aminobutyric acid. You can take it in 2 ways: - a) either you swallow it down, by placing it at the back of your throat and drinking water over it b) or you can mix it with water and drink it. $13. comAug 25, 2018. When taken by mouth: Phenibut is likely unsafe. If someone is dependent on phenibut don't tell them to. 3. On average for the past year, phenibut has been typed into google 49,500 times a month. Few Side Effects (When Used Right) Cons of Phenibut: Can Take A While to Kick In. Manufacturer/Factory; ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001, IATF16949, HSE, ISO 14064, QC 080000, GMP, BSCISourcing Guide for Phenibut Melatonin Powder: This is the most important investment you can make in your life. Dopamine is another neurotransmitter. A milligram scale is recommended for accurate measurements if you buy DMAA or DMHA powder. Introduction. You can buy pure bulk supplements with factory price raw powder from our. Russian cosmonauts used phenibut for its anti-anxiety and stimulating effects. High Quality Phenibut HCL - Powder, 50g For Sale Shipping internationally Science. It is easily soluble in water, soluble in ethanol, and the pH of 2. [5] [6] Muscle spasms. Phenibut Benefits. 399. Glittering_Cap3118 • 5 mo. Energy / Focus Phenibut Capsules $ 13. You should always check the label for confirmation of quality and origin before you buy Phenibut pills or powder from an unauthorized retailer. Phenibut was synthesized in the USSR in the 1960s by the Soviet chemist and professor Dr Perekalin. Add to cart. This supplement is mixed with other natural compounds or herbs in supplements designed. People usually purchased phenibut online and reportedly used it for recreation, to manage a medical or psychiatric problem (primarily insomnia, anxiety), as a substitute for other drugs (especially benzodiazepines), to. was established in 2023, our factory is located in hebei China. 3 to 2. However, the most beneficial effects of Phenibut are limited to low doses. ago. Appearance. For instance, if 3 grams is the best dosage, and you’re going to be at a party at 10pm, take 1. New comments cannot be posted and votes cannot be cast. 3 hours . We ship to all countries of European Union. Basic Nootropics Bundle – Powder Set. We would like to show you a description here but the site won’t allow us. However, because the primary mechanism of phenibut is GABA-B agonism, there are case reports using baclofen, another GABA-B agonist. Phenibut powder is 100% pure, thus users can enjoy all the benefits of the Phenibut supplement. An approved account is required to purchase this product. Sometimes additional redosing is conducted. HerNo food. Weed + anxiety = perception that something is going wrong. Lift Mode Phenibut HCL. IMPORTANT PHENIBUT ANNOUNCEMENT | BEST ALTERNATIVES: 25% OFF NOW . You are looking at 5, 10, 25, or 50 grams of Phenibut with a free 500mg scoop! Phenibut is a nootropic commonly taken for its calming effect. 40. , Ltd. Coffee works. It is a synthetic form of GABA. Phenibut was synthesized in the USSR in the 1960s by the Soviet chemist and professor Dr Perekalin. Accepts PayPal, bank transfer and other transfer options. Phenibut is a powerful anxiolytic and mood booster that’s been used since the 1960s. It is actually not common at all. Phenibut is a GABA analog and exerts more effect on GABA-B receptors than GABA-A through neurotransmitter inhibition of voltage-gated calcium channels [3,4]. Fast and free shipping on orders over $150 (USA ONLY) Best & highest quality Nootropics, SARMS, Peptides, Sprays & More. $10. Free shipping US over $69. 68 = 0. It generally takes 5 hours for the phenibut to be in full effect, but you should see the first effects within two hours. 300mg’s Phenibut HCL 2 hours later with 100mg’s Caffeine. NSFW. Liftmode phenibut at 1500mg will not give the silver tongue flow state and music enhancment that other vendors give at the same dose. However, the FDA has increased enforcement actions surrounding phenibut, with the claim that: “phenibut does not fit any of the categories of dietary ingredients under the The Federal Food, Drug, and Cosmetic Act (FD&C Act). In fact, many bodybuilders swear by phenibut. There are reports of dependence in patients that misuse phenibut. Chemists added a 6-carbon ring to GABA that enables it to cross the barrier and act on GABA receptors. Factory Price Phenibut Powder Phenibut Hot-Selling in Aus USA, Eurs CAS 1078-21-3 . A dose of FAA is somewhere between 250 and 350 mg, while a dose for HCL is 350 to 500 mg. COMMON & BRAND NAMES. ago. Dilated pupils. – Can drastically improve your mood. ) CAS: 3060-41-1; Molecular Formula: C 10 H 13 NO 2An average dose of Phenibut is usually 500 mg or less, once, or twice per day to produce ongoing cognitive benefits. Raw Powders™ offers pure Phenibut powder with no additives! What is Phenibut?. Phenibut is a great mood booster and general feel good nootropic but there is no comparison to real drugs. LiftMode is one of the oldest retailers of phenibut and. 5 grams at 3pm and 1. Any help would be greatly appreciated. F-phenibut HCl 10 g powder; Phenibut HCl 3000 mg solution; Phenibut HCl 50 g powder; Phenibut FAA 50 g powder; However, the reason we like Science. 2:45PM - I’m beginning to feel that last dose, its mild yet enjoyable. Products labeled as dietary supplements that list phenibut as a dietary. US$ 80-150 / kg. Medium (Recommended): -50 to 75 mg/day. Don't take these thoughts too seriously. Phenibut HCL is produced by letting the FAA form react with hydrochloric acid. at most 1000 mg every 3 or 4 days). 48. I find that it is helpful splitting the dosage in half. An increased number of reports of dependence to and intoxication by phenibut purchased online on the one h. Results: Of 229 reports, 211 were from male authors. S. Product List. Phenibut is amazing. ( 1) Combined with other psychoactive compounds like alcohol, benzodiazepines, and opioids, phenibut can also lead to harmful effects, including death. , benzodiazepines). A few months ago I took phenibut regularly (i. Maximum single dose: 750 mg, for patients over 60 years: 500 mg. Pick This product is highly rated, well-priced, and available to ship immediately. 67 g agmatine sulfate was encapsulated. BMJ Case Reports explains how it works. yea, wellbutrin is a big one on the r/quitspeeding sub. It acts as a GABA‐mimetic, primarily at GABA B and, to some extent, at GABA A receptors. ago. Baclofen is becoming well-known for its ability to combat alcohol withdrawal symptoms and alcohol cravings. Given early on to Soviet astronauts to attain relaxation and focus, it is now widely prescribed throughout Eastern European countries like Russia, Latvia, Ukraine and Kazakhstan, where it is known under various trade. Sells powder at €30. Phenibut is deceptive. by RubikBoy. Phenibut (β-phenyl-Ὑ-aminobutyric acid) is a neuropsychotropic drug discovered and developed in the Soviet Union in the 1960s. 5 grams) about 2 weeks ago and felt almost nothing. The actual dosage in most clinical studies varied between 500mg – 1g/day. It’s a bit more expensive and it has a higher concentration of phenibut by weight. I first used Zach Attack Supplements in April 2017 and have purchased 7 tubs from him. 99 – $ 27. Sort by. Physical State. It also stimulates dopamine. Phenibut is available and sold in the United States as a supplement. how much you mf dosing, in the UK it starts as small as 10g up to probably 200g. My miracle mix is as such: t-2:00 2g phenibut. 95 – $ 450. – Increases levels of focus and motivation. The powder produces more euphoric, uplifting and energising effects whereas the fine crystals doesn. Include Phenibut,Diindolylmethane,Indole-3-carbinol,Ferulic,Curcumin,Melatonin and so on. 147 in stock. Out of stock Quick View. Online retailers suggest a daily dose of 250 mg to. Raw Powders™ offers pure Phenibut capsules with no additives!Monster energy drinks and Phenibut are both horrible for your tooth enamel. Ships worldwide. Although it appears Phenibut works with GABA-b, while Kava works on GABA-a, so does that mean that taking them together wouldn't. But don’t worry: It’s not table salt , and it won’t taste salty for your research subjects. It mentions the availability of phenibut HCL, a cheap, white, sour-tasting powder soluble in water or alcohol. A 38-year-old woman with severe opioid, benzodiazepine, gabapentin, stimulant use disorders developed altered mental status after oral phenibut ingestion intended to help self-manage opioid and benzodiazepine withdrawal. 4mg nicotine) at time of dosage. Take 500mg-1g without food. 60 - $35. Phenibut Xt from SNS manufacturer is one of the most effective supplements with nootropic properties, ensuring healthy sleep and reducing stress and anxiety levels, promoting cognitive functions and promoting better concentration, fast shipping 24 H. Icy-Plankton-6770 • 2 yr. t-0:05 smoke half a bowl. WARNING This product is not for human or veterinary use. I once had it ordered on Saturday and it arrived Monday. It. ”. This drug, which has a chemical structure similar to GABA, is known to cause dependence and withdrawal—and can potentially have life-threatening complications. Phenibut HCL: This is phenibut that has been made into a salt with. Phenibut HCL is produced by letting the FAA form react with hydrochloric acid. – Increases levels of focus and motivation. and there is a new law being passed in a matter of weeks or months that PROHIBITS the salw of PHENIBUT there,. At the very least, it should be used with caution with medications known to affect GABA or ones that can reduce respiration rate such as: Benzodiazepines. BulkSupplements. I plan on smoking cannabis and nicotine, but is there anything in particular that will reliably potentiate phenibut? I've heard of the supplement gaba, ginger, dxm, turmeric, and stimulants can be a potentiator for phenibut. I don’t use daily or even more than 1-2 times a week. Promoting sleep. F-Phenibut HCl (4-Fluorophenibut hydrochloride) is a several-fold more potent derivative of the nootropic and anxiolytic gamma amino butyric acid derivative, Phenibut; useful as a GABAB and α2δ subunit-containing voltage-gated calcium channel ligand. Phenibut can cause many side effects, including reduced consciousness, dizziness, nausea, poor balance, and fatigue. e. 1 kg (MOQ)1-48 of 192 results for "phenibut capsules" Results. com Phenibut, sold under the brand names Anvifen, Fenibut, and Noofen among others, [1] is a central nervous system depressant with anxiolytic effects, and is used to treat anxiety, insomnia, and for a variety of other indications. Information about Phenibut (Noofen) including uses, images, dosage, effects, legal status, and links to other resources. [6] It is usually taken by mouth as a tablet, but may be given intravenously. Phenibut is also available as a dietary supplement from online vendors worldwide, and previous studies have indicated that phenibut overdose results in intoxication, withdrawal symptoms, and addiction. About Us. BULKSUPPLEMENTS. Also comes in Phenibut 500mg Capsules, Phenibut FAA capsules, and Phenibut HCL Powder. ISO 9001, ISO 14001, GMP,. Wholesale F Phenibut Hcl Acid - Select 2023 high quality Wholesale F Phenibut Hcl Acid products in best price from certified Chinese Amino Acid Liquid manufacturers, Amino Acid Compound suppliers, wholesalers and factory on Made-in-China. Its molecular structure is similar to that of the neurotransmitter GABA, and it binds to some of the same receptors and has comparable actions. On its own, Flakka comes in pink or white crystals, similar to bath salts. – Increases sense of well-being. Do not mistake a legal nootropic compound as a safe supplement that cannot be abused. 1st and 3rd Party Verified for 99% Purity. Unaided, cold turkey withdrawal, from a state of dependence, even low dose dependence, commonly causes severe and potentially dangerous side effects. Background. As a person begins increasing their dose, they’ll begin to see negative side effects. 99 $ 19. I have some Liftmode 300 mg HCL capsules. Occasionally I feel sweeping waves of emotion or empathy about things im reading or seeing. I was at work at the time and went out for a smoke break. Both kava and phenibut are both GABA agonists, so I was wondering if it would be a bad idea to combine them or take them close together, as far as overloading your system on GABA. Call (855) 430-9426. Another GABA analogue supplement is picamilon, or nicotinoyl-GABA. It's the same compound. The GABA analog phenibut (β-Phenyl-GABA) is a GABA B receptor agonist that has been licensed for various uses in Russia. 3 This product is intended for research and forensic applications. Phenibut UK - the nootropic for soul and spirit Phenibut is the nootropic that increases the dopamine level in the brain, feelings of happiness, also relaxes and improves mood. 00 Select options. Lots of phenibut comes from China, and as I am sure you have noticed in the past 2 years, everything is fucked up. Phenibut and Noopept. LiftMode offers pure dietary supplement ingredients in powder and capsule forms, at affordable prices without paying for hype & packing. Adderall). The abrupt discontinuation of phenibut may result in the following withdrawal symptoms: Fatigue. Phenibut is a drug that can cause side effects if you consume too much. Effectiveness. Phenibut: Facing the Facts. As Somatomax contains phenibut, a strong depressant, it will likely be a hit or miss. If you or someone you know is showing signs of an overdose, call 911 or your local poison control center for emergency assistance. I don't remember when the post was made but this was already addressed somewhere on this sub. Liftmode still has large crystals in every size. net. Most commercially available phenibut appears to be in the form of the hydrochloride salt, phenibut HCl. Most distributors or contact manufacturers import from Chinese pharmaceutical factory or agent as an API. 34 - $500. There is no approved dosing regimen for baclofen for phenibut withdrawal, instead it should be. During the day take between 250-500 mg of phenibut per dose for. Similar to the brain chemical called gamma-aminobutyric acid (GABA,) Phenibut has been shown to decrease anxiety and produce stimulating effects on the body giving a sense of well-being, raised. 99. Phenibut (β-phenyl-γ-aminobutyric acid) is a gamma-aminobutyric acid subtype b (GABA-B) agonist that has both anxiolytic and nootropic activity. Phenibut has been available since the 1960s and is available over-the-counter as a supplement marketed for depression, anxiety, and posttraumatic stress disorder in many. 1 kg (MOQ) Function :. The "why" of it is because of all the bad press, it is probably going to be banned or somehow restricted in the near future. Phenibut primarily increases motivation, attention and concentration with a weaker effect on memory and little effect on overall intelligence. Irritability. “We analyzed the content of phenibut supplements both before and after FDA enforcement warnings,” Cohen said. ago. The actual dosage in most clinical studies varied between 500mg – 1g/day. They are trying to restock ASAP. ago. Phenibut is a nootropic that works on the GABA neurotransmitter.