Comparison

Cerebrolysin vs GB-115

Comprehensive side-by-side comparison of mechanisms, dosing, side effects, and research

Cerebrolysin

Also: FPE 1070

Clinical Trials

A mixture of low-molecular-weight neuropeptides derived from pig brain. Approved in many countries for stroke, traumatic brain injury, and dementia.

CognitiveHuman Trials
GB-115

Also: Ranquilon, N-phenylacetyl-L-prolylglycine ethyl ester

Clinical Trials

A dipeptide anxiolytic and nootropic that acts as a CCK-1 (cholecystokinin) receptor antagonist. Developed in Russia with completed Phase 3 trials for anxiety. Users report significant improvements in focus, attention, and ADHD-like symptoms.

CognitiveHuman Trials

Key Comparison Insights

  • Both peptides belong to the Cognitive category, suggesting similar primary applications.

Detailed Comparison

AttributeCerebrolysinGB-115
CategoryCognitiveCognitive
FDA StatusNot FDA ApprovedNot FDA Approved
Clinical Status
Pre
I
II
III
IV
FDA
Pre
I
II
III
IV
FDA
Mechanism of ActionCerebrolysin contains neurotrophic factors that mimic BDNF, NGF, and CNTF activity. It enhances neuroplasticity, protects neurons from excitotoxicity, promotes neurogenesis, and improves synaptic function.GB-115 works by blocking central cholecystokinin-1 (CCK-1) receptors in the brain. CCK is involved in anxiety, panic responses, and cognitive modulation. By antagonizing these receptors, GB-115 reduces anxiety while improving attention, processing speed, and reaction time. It also modulates dopaminergic pathways involved in focus and motivation.
Common Dosing
5-10 ml IV/IM daily for 10-20 days
Daily during treatment cycles
6 mg daily (2 mg three times daily)
2-3 times daily (morning, afternoon, evening)
AdministrationIntravenous or intramuscular injectionOral tablets or sublingual
Typical Duration10-20 day cycles21+ days in clinical trials, effects noted by day 7
Best Time to TakeMorningMorning and throughout the day
Possible Side Effects
May vary by individual
  • Generally well-tolerated
  • Dizziness
  • Headache
  • Nausea
  • Agitation
  • +3 more
  • Generally well-tolerated
  • Minimal sedation compared to benzodiazepines
  • Headache (rare)
  • Mild gastrointestinal discomfort
  • No reported dependency or withdrawal
  • +2 more
Research SummaryApproved in over 40 countries for neurological conditions. Studies show benefits in stroke recovery, Alzheimer's disease, and TBI. Large clinical trials demonstrate improved cognitive function and activities of daily living.Clinical studies in patients with Generalized Anxiety Disorder (GAD) showed GB-115 (6mg/day) significantly improved reaction time, attention, and processing speed within 7 days of treatment. A 21-day trial with 31 patients demonstrated anxiolytic effects comparable to benzodiazepines without sedation or dependency. Currently in Phase II/III trials (NCT05586789) for anxiety disorders. Anecdotal reports suggest benefits for ADHD symptoms, though direct ADHD trials are pending.

Frequently Asked Questions: Cerebrolysin vs GB-115

What is the difference between Cerebrolysin and GB-115?

Cerebrolysin is a cognitive peptide that a mixture of low-molecular-weight neuropeptides derived from pig brain. approved in many countries for stroke, traumatic brain injury, and dementia. GB-115 is a cognitive peptide that a dipeptide anxiolytic and nootropic that acts as a cck-1 (cholecystokinin) receptor antagonist. developed in russia with completed phase 3 trials for anxiety. users report significant improvements in focus, attention, and adhd-like symptoms. The main differences lie in their mechanisms of action and clinical applications.

Which is better, Cerebrolysin or GB-115?

Neither is universally "better" - the choice depends on your specific goals. Cerebrolysin is typically used for cognitive purposes, while GB-115 is used for cognitive. Always consult with a healthcare provider to determine which may be appropriate for your situation.

Can Cerebrolysin and GB-115 be used together?

Some peptide protocols combine multiple compounds for synergistic effects. However, using Cerebrolysin and GB-115 together should only be considered under medical supervision, as both compounds have their own side effect profiles and potential interactions. Research on their combined use may be limited.

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Educational Information Only

This comparison of Cerebrolysin and GB-115 is for educational purposes only. Neither this comparison nor any information on this site constitutes medical advice. Always consult with qualified healthcare providers before making decisions about peptides or other substances.