Xi'an Sonwu Biotech Co., Ltd. is one of the most professional manufacturers and suppliers of phenibut (4-amino-3-phenyl-butyric acid) in China. We warmly welcome yuo to wholesale bulk phenibut (4-amino-3-phenyl-butyric acid) for sale here from our factory. Quality products and reasonable price are available.
What Kind of Drug Is Phenibut
Phenibut (4-amino-3-phenyl-butyric Acid) is a neuropsychiatric drug which was discovered in Russia in 1960s and introduced into clinical practice. It has the effect of anti-anxiety and promoting intelligence (cognitive enhancement). The drug is structurally related to the neurotransmitter γ-aminobutyric acid (GABA), so it is a GABA analogue. Phenibut is considered to be a GABAB receptor agonist, similar to baclofen and γ-hydroxybutyrate (GHB). However, at low concentrations, phenibut gently increases the concentration of dopamine in the brain, providing stimulation in addition to anti-anxiety. In addition, it can also improve insomnia, depression and stress.
Due to its great effect, phenibut has been a famous nootropic for people to ameliorate pressure. Then the demanding is increasing a lot. Xi’an Sonwu, a phenibut manufacturer, guarantee to provide high quality product at best cost-effective price. If you need it, welcome your enquiry.

Certificate of Analysis
ANALYSIS | SPECIFICATION | RESULT |
Appearance | White Crystalline Powder | Complies |
Assay | ≥99% | 99.61% |
Identification | Chemical or IR Method | Positive |
PH | 2.3-2.7 | 2.61 |
Loss On Drying | ≤0.5% | 0.21% |
Melting Point | 194℃-202℃ | 198.5℃-200℃ |
Residue On Ignition | ≤0. 1% | 0.03% |
Related Substance | ≤0. 1% | 0.04% |
Heavy Metals | ≤10ppm | ≤10ppm |
Iron | ≤50ppm | ≤50ppm |
Sulfate | ≤500ppm | ≤500ppm |
Arsenic | ≤2ppm | ≤2ppm |
Lead | ≤3ppm | ≤3ppm |
Mercury | ≤0. 1ppm | ≤0. 1ppm |
Cadmium | ≤1ppm | ≤1ppm |
Phenibut Capsules for Sale
Xi'an Sonwu Biotech Co. ltd. has rich experience in global trade and health industry. Insist on faith-based and quality first is our company’s principle. We strictly control product quality, which means selection starts from raw material. Besides, we handle every detail and reduce cost to the maximum extent, then our customers can get cost-effective product. Based on these, customers have given much good feedback to our products. So look for Xi'an Sonwu Biotech Co. ltd. when you buy phenibut products.
Xi’an Sonwu completely makes sure products quality, so sample can be supplied. Here is the quantity.
Form | The Minimum of Quantity | Sample Amount |
Powder | 100g | 50g |
Bulk Capsules | 200 capsules | 200 capsules |
Bottled Capsules | 5 bottles | 5 bottles |
Customers Good Comments

OEM Service
Xi'an Sonwu not only can supply high quality phenibut hcl powder, but also supply capsules.
So all customers could customize the capsules they want. And items below can be supplied.
1. Customized capsules shells (size, color, material)
2. Customized bottles (size, color, material, style)
3. Customized packaging (vacuum foil packaging, box, drum)
4. Customized label (paint film, matte film, optical mask)

If you want to know more about Xi'an Sonwu OEM service, please clik here.
What Does Phenibut Do to the Brain
The psychopharmacological activity of phenibut is the most similar to that of baclofen, a derivative of phenibut. It is mainly used as a GABA mimic of GABA (B) receptor and has some effects on GABA (A) receptor.
In addition, phenibut stimulates dopamine receptors and competes with β-phenylethylamine (PEA) for binding site-PEA is a suspicious endogenous antianxiety drug. It also has a benzene ring.
Binding benzene rings to GABA molecules increases its ability to pass through BBB by binding to specific receptors. This allows Phenibut to act as a mental and antianxiety agent.
Let's take a look carefully at each of these mechanisms one by one.
GABA simulation.
Its GABA simulation is considered the basis of the anti-anxiety and intelligence-promoting effects of phenibut.
Phenibut activates GABA-B receptors. These receptors exisit in the peripheral nervous system. The activation of these receptors inhibits the release of some neurotransmitters, including dopamine, norepinephrine (norepinephrine), and serotonin.
Phenibut also produces GABA-like effects on the brain by inhibiting the release of excitatory neurotransmitters. This increases the feeling of relaxation and peace.

Activation of dopamine metabolism.
It also stimulates dopamine receptors and competes for binding sites with β-phenylethylamine (PEA). Dopamine is a vital neurotransmitter that influences attention and learning ability.
It works in the brain's reward system by strengthening behaviors that are vital to survival, such as eating. Phenibut can increase the level of dopamine, which explains why it can regulate mood and treat depression.
Antagonistic effect of B-phenethylamine (PEA).
Phenylethylamine is an organic compound that can be used as a stimulant in the nervous system . It is also classified as natural monoamine alkaloids and trace amines and is produced in small amounts in the brain.
Phenylethylamine is thought to play a role in regulating mood and energy levels. It is also involved in the release of dopamine and other neurotransmitters. Phenibut has been shown to antagonize the effect of phenylethylamine, which may be the reason for its ability to reduce anxiety and improve mood.
Anxiolytic Activity
Phenibut (4-amino-3-phenyl-butyric Acid) acts on the GABA system in the brain, so it has an anti-anxiety effect.
In 2009, an animal study showed how phenibut affects neuronal activity and interactions in the hippocampus, a part of the brain, in the event of emotional distress. The study found that when taking Phenibut, the recorded neurons had more common inputs and fewer excitatory connections. This means that phenibut increases inhibitory (sedative) activity in the brain and reduces exciting (stimulating) activity.
Therefore, phenibut reduces behavioral response and anxiety by affecting activity levels, neuronal synchronization, and excitation transmission between neurons in the hippocampus and neocortex.
What Are the Effects of Phenibut
Phenibut is a GABA analogue. Because it has a benzene ring and can cross the blood-brain barrier more easily than GABA as a supplement, it can function more effectively.
We need a sufficient level of GABA in our brains because it is an inhibitory neurotransmitter. When we use phenibut supplements to increase GABA levels, we help control glutamate. Glutamate is an excitatory neurotransmitter; too much can lead to anxiety, restlessness, and insomnia.
Therefore, phenibut is beneficial to:
-Relieve stress and anxiety.
-Improve sleep quality.
-Improve cognitive performance and concentration.
-Help muscles recover.
-Improve the HGH level.
Phenibut Tips Reddit
Phenibut seems to be very popular and famous on Reddit because many users have shared their good experiences. However, some users warn of potential addiction and stress the importance of cycling phenibut correctly.

How Much Phenibut HCL Should I Take
The recommended dose of phenibut depends on the desired effect. 200-500mg dose to relieve anxiety is usually taken 1-2 times a day. Users who have taken it before are advised to take 1-1.5g per week, up to three times a week.
To avoid tolerance, it is best to reduce the frequency of taking phenibut. It is recommended to take only once or twice a week at an interval of at least two days. Phenibut can be addictive and cause withdrawal symptoms, so it's essential to understand the risk before taking it.
If you are unfamiliar with phenibut, start with a lower dose of 200mg and gradually increase as needed. It is best to exercise caution when taking any new supplements or drugs.
What Are the Side Effects of Phenibut
Although it is considered safe to take phenibut as instructed, bodybuilders who take higher doses report mild flushing, tingling, elevated heart rate and blood pressure, and anxiety.
You can also quickly become tolerant to phenibut. If you have an addictive personality, it's best to avoid using this intelligence-promoting drug altogether.
Many biohackers believe that cycling is the best way to consume Phenibut. This requires following the 2-day and 4-day dose instructions and then taking a few days off. Others recommend using phenibut only once a week.
If you want to try phenibut, be prepared for some trial and error, but watch out for withdrawal symptoms; if you take too much, they can be severe. Phenibut should not be combined with alcohol or benzodiazepines, as this can lead to coma.
Factory Environment
1.Xi'an Sonwu Biotech Co.,Ltd has its own factory,so it has adequate stock. Also,Xi'an Sonwu has clean and tidy producing department with advanced equipment. With the lead of Xi'an Sonwu, researchers are constantly developing new products to meet customer's need.
2.Xi'an Sonwu Biotech Co.,Ltd has advanced test equipment and professional testers, which all show that Xi'an Sonwu aims to supply accurate and effective data and good service.


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Except guarantee the product quality, the other most important thing is customers could receive the goods smoothly. So, Xi’an Sonwu supply all kinds of courier according to different need.

Company Profile
Xi'an Sonwu Biotech Co.,Ltd is a professional Chinese manufacturer and products supplier. It was founded in 2012,and located in Hi-Tech industrial Zone, Xi'an city, Shannxi province, China. lt pays all attention on development, research and production of food additives, plant extract, APl and other ingredients of health care products. The company supplies five kinds of raw material products: anti-hair loss powder, nootropic, API, muscle building products, plant extract. Xi'an Sonwu sincerely believes that the premise of a great cooperation is best service and good quality. And welcome your inquiry at any time.
If you want to know phenibut (4-amino-3-phenyl-butyric Acid) price, feel free to contact.
E-mail: sales@sonwu.com
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