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Evidence & concentration worksheet · Growth Hormone & Performance

IGF-1 LR3 1 mg

Human efficacy and a validated dose have not been established for this compound. The former regimen has been withheld; only concentration arithmetic remains available.

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D

Evidence review

No established human dosing protocol

Human efficacy and a validated dose have not been established for this compound. The former regimen has been withheld; only concentration arithmetic remains available.

How it works

Long R3 IGF-I is a laboratory-engineered analogue of insulin-like growth factor 1 with reduced affinity for IGF-binding proteins.[1] It is structurally and regulatorily distinct from mecasermin (Increlex), the approved recombinant human IGF-1 medicine.

Benefits & side effects

Laboratory studies describe altered binding-protein interactions and biological potency for Long R3 IGF-I.[1] Teloryx found no controlled human clinical trial establishing IGF-1 LR3 for muscle gain, fat loss, recovery, healing, anti-aging, or any disease. Evidence about native IGF-1, IGF-1 gene expression, or mecasermin cannot be transferred to this analogue.

Calculator

Concentration and measurement calculator

Use this only to check arithmetic from an authoritative product label, registered study protocol, or qualified clinician.

Arithmetic only — not a dose recommendation

Enter only a concentration and target supplied by an authoritative product label, a registered study protocol, or a qualified clinician. A correct conversion does not establish that a substance, vial, route, or dose is safe or effective.

Arithmetic only — not a dose recommendation

Enter only a concentration and target supplied by an authoritative product label, a registered study protocol, or a qualified clinician. A correct conversion does not establish that a substance, vial, route, or dose is safe or effective.

1

Source concentration

mg
mL
Concentration—
Per unit (0.01 mL)—
Per 10 units (0.1 mL)—
2

Source-supplied target

Calculated U-100 volume — units = —

References

References

  1. Journal of Molecular Endocrinology — A potent analogue of human IGF-I with reduced affinity for binding proteins (1992)
  2. DailyMed — Increlex (mecasermin) official prescribing information (2025)
  3. World Anti-Doping Agency — 2026 Prohibited List (2026)