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nootropic30 sources in stock
Phenibut
GABA-B Agonist
GABA-B agonist. Anxiolytic research compound.
Anxiolytic research
For research use only · Not for human consumption
/ compare by size
Every source for Phenibut
Affiliate disclosure: purchases through links below may earn us a commission. Rankings are never sold — methodology · full disclosure
Size:
16 sources for 25g·cheapest $36.04 at Southern Aminos·$1.44/mg
Rank
Source
Trust Score
Price
$/mg
Buy
#1
Southern Aminos
★ 4.6· price unverified
$36.04
$1.44/mg
#2
Biocase Innovations
★ 4.6· price unverified
$43.19
$1.73/mg
#3
Flawless Compounds
★ 4.7· price unverified
$48.61
$1.94/mg
#4
Peppy
★ 4.7· price unverified
$48.69
$1.95/mg
#5
FITSKNS
★ 4.6· price unverified
$55.70
$2.23/mg
#6
Molecular Solutions
★ 4.7· price unverified
$77.29
$3.09/mg
#7
Throne
★ 4.7· price unverified
$77.42
$3.10/mg
#8
Ion Peptide
★ 4.6· price unverified
$105.35
$81.60
$3.26/mg
#9
Modified Aminos
★ 4.5· price unverified
$107.79
$82.08
$3.28/mg
#10
Valor Peptides
★ 4.8· price unverified
$85.34
$3.41/mg
#11
Solyn Peptides
★ 4.5· price unverified
$89.47
$3.58/mg
#12
Nano Blue Labs
★ 4.6· price unverified
$90.92
$3.64/mg
#13
Peptidology
★ 4.8· price unverified
$107.82
$91.17
$3.65/mg
#14
EZ Peptides
★ 4.7· price unverified
$98.44
$3.94/mg
#15
Felix Chemical Supply
★ 4.5· price unverified
$101.40
$4.06/mg
#16
Renova Peptides
★ 4.6· price unverified
$131.82
$105.00
$4.20/mg
#17
Purus Peptides
★ 4.7· price unverified
$40.35
$1.61/mg
#18
AlgoRX
★ 4.7· price unverified
$41.44
$1.66/mg
#19
RetaOneLabs
★ 4.7· price unverified
$64.10
$2.56/mg
#20
Solution Peptides
★ 4.6· price unverified
$92.97
$3.72/mg
🏆Our pick for Phenibut
Valor Peptides
100g · USA · Card / Crypto
- ✓Third-party tested (Janoshik)
- ✓COAs provided — Comprehensive
- ✓Highest verification tier in stock
- ✓4.8★ community rating
Also solid
/ research index
The research base
Research Maturity
★★★☆☆
3/5 — Volume of studies
Evidence Strength
★★★☆☆
3/5 — Quality of evidence
Multiple studies, primarily Russian.
/ mechanism of action
How it works
GABA-B receptor agonist.
/ research dosing
Common research protocols
Range
250-500 mg per dose, max 3x weekly
Frequency
Sparingly — tolerance develops fast
Route
Oral
Cycle
Use as needed, with multi-day breaks
Research notes
GABA-B agonist. Significant tolerance and dependence potential — limit to 2-3x weekly maximum. Withdrawal symptoms occur after regular daily use.
References
FOR RESEARCH USE ONLY. Doses listed are compiled from published research literature, FDA-approved drug labels, and well-documented research community practice. Not medical advice.
/ standalone use
As a solo compound
Solo use is standard.
/ side effects
What to know
Tolerance develops with regular use. Use sparingly.
/ timeline
Realistic expectations
Acute effects
FOR RESEARCH USE ONLY. Phenibut is intended for laboratory research and not for human consumption.