FGL Calculator
FGL (also known as FG Loop peptide) reconstitution and dosage reference — calculate vial concentration, BAC water volume, and exact syringe units below.
At the reference preset of a 5mg FGL vial reconstituted with 2 mL of bacteriostatic water, a 0.5mg dose measures 20 units on a U-100 insulin syringe.
FGL is a synthetic 15-amino-acid mimetic of a region of the neural cell adhesion molecule (NCAM).
- Concentration
- 2.5 mg/mL
- Draw volume
- 0.2 mL
- Units (U-100)
- 20
- Doses per vial
- ≈ 10
- Reference preset
- 5mg · 2mL · 0.5mg
Reference values from the default preset — adjust the calculator below for your vial.
How to use this calculator›
- 1. Vial — the peptide amount printed on the vial, in milligrams.
- 2. BAC water — the bacteriostatic water added to the vial. More water means a lower concentration and a larger, easier-to-read draw.
- 3. Dose — the single dose being measured, in milligrams.
- 4. Syringe — the barrel being drawn into. The diagram rescales to that syringe, so the same dose sits at a different mark on a 0.3 mL barrel than on a U-100.
Educational reference only — not medical advice or a dosing recommendation.
What is FGL?
FGL is a synthetic 15-amino-acid mimetic of a region of the neural cell adhesion molecule (NCAM). It has been studied in animal models for neuroprotective and cognition-enhancing effects.
| 5 mg | lyophilized powder |
| 0.1 mg | ≈ 4 U-100 units (at 5mg / 2mL) |
| 0.5 mg | ≈ 20 U-100 units (at 5mg / 2mL) |
| 1 mg | ≈ 40 U-100 units (at 5mg / 2mL) |
How it's typically prepared
Reconstitute with BAC water; refrigerate.
Frequently asked questions
- What is FGL studied for?
- Neural plasticity, learning, and memory in preclinical neuroscience research.
PeptideDose is an educational reference. It is not medical advice and does not replace consultation with a licensed healthcare provider. Doses shown in presets are derived from published protocols and product labels — they are not personal recommendations.