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Phenibut is mainly used as an anti-anxiety and stress reducing supplement, and is very effective at both roles. It can also be used occasionally to reduce insomnia and to improve sleep quality, although it is not recommended to be used more than twice a week for this purpose in order to prevent the formation of tolerance.
To reduce anxiety, a typcial dose of 250 - 500 mg is recommended. While doses up to 1000 mg are safe and effective, we generally recommend not exceeding a dose of 750 mg as side effects are more likely at higher doses and tolerance will form faster.
It is not recommended to use Phenibut more than twice per week as doing so will cause a tolerance to form rapidly.
When taken at doses of 250 - 500 mg, Phenibut is very well tolerated and unlikely to cause adverse side effects. Side effects become more common at higher doses and include sedation, drowsiness, nausea, dizziness, and headaches. When taken at doses exceeding 1000 mg, side effects such as motor incoordination and loss of balance can occur.
Tolerance to Phenibut develops with frequent use, so it is recommended that Phenibut not be used more than twice per week. If a tolerance does develop, withdrawal symptoms including rebound anxiety, insomnia, irritability, and agitation may occur upon discontinuation. Tolerance and withdrawal symptoms can be avoided by not using Phenibut more than twice per week and in doses not exceeding 500 mg.
Phenibut should not be combined with alcohol, benzodiazipines, or other sedatives. It should not be used by children, anyone who is pregnant or breastfeeding, or by anyone suffering from liver or gastrointestinal disease. You should not operative heavy machinery after using Phenibut.
* These reviews are the experiences of the individual customers that submitted them, results may differ from person to person.