FGL

Also known as: FG Loop Peptide, FGL peptide

CognitivePRECLINICAL

Clinical Status

Preclinical — research compound.

Mechanism of Action

Derived from the FG loop of NCAM (neural cell adhesion molecule). Binds to and activates FGFR1 (fibroblast growth factor receptor 1), promoting neurite outgrowth, synaptogenesis, and long-term potentiation.

Dosing Defaults

Dose

1-5 mg

Frequency

1x daily

Administration

Subcutaneous injection

Timing

Morning

Food

with or without

Duration

2-4 weeks

Dose range: 1-10 mg per dose

Morning dosing supports learning and memory consolidation during the day.

Side Effects

•Injection site reactions
•Headache
•Mild nausea
•Limited safety data

Contraindications & Warnings

•Not medical advice
•No human clinical trials

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This information is for educational purposes only and is not medical advice. Dosing data is based on research literature and community reports. Always consult a qualified healthcare provider before using any peptide.