Half-life calculator
IGF-1 LR3 half-life calculator
IGF-1 LR3 is a long-acting IGF-1 analog. Its elimination half-life is about 24 hours, so a dose largely clears in roughly 5 days. See how it rises as it absorbs, peaks, and falls below.
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Steady-state peak
68 mcg
Half-life
24 h
Reaches steady state
~5 days
Accumulation
2×
Solid = while you're dosing; dashed = projected clearance after the last dose. The curve rises as each dose absorbs, then falls — and climbs over the first several doses until it settles into a steady peak-and-trough.
How long does IGF-1 LR3 stay in your system?
A compound is considered essentially cleared after about five half-lives. With IGF-1 LR3's half-life of about 24 hours, that's roughly 5 days after your last dose. The calculator's dashed line shows that clearance tail.
IGF-1 LR3 steady state & accumulation
Dosed daily, each IGF-1 LR3 dose is given before the previous one fully clears, so levels climb over the first several doses and settle into a steady peak-and-trough pattern in about 5 days, building to about 2× a single dose. That accumulation is why the early period can feel different from later on, and why a gradual titration gives your body time to adjust.
Half-life figures for IGF-1 LR3 are approximate: reported values vary and absorption is especially uncertain. Use this as an illustration, not a precise pharmacokinetic profile.
Questions
IGF-1 LR3 half-life, answered
What is IGF-1 LR3's half-life?
IGF-1 LR3's elimination half-life is approximately 24 hours, the time for its level in the body to fall by half. This is an approximate figure for illustration; reported values vary.
How long does IGF-1 LR3 stay in your system?
A compound is essentially cleared after about five half-lives, so IGF-1 LR3 largely clears in roughly 5 days after your last dose.
How long until IGF-1 LR3 reaches steady state?
Dosed daily, IGF-1 LR3 climbs over the first several doses and reaches a steady peak-and-trough pattern in about 5 days, building to about 2× a single dose.
Does IGF-1 LR3 accumulate between doses?
Yes. At daily dosing the model shows roughly 2× accumulation at steady state, because each dose is given before the previous one has fully cleared.
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This is a simplified one-compartment model with first-order absorption, for education, not medical advice or a guarantee of how IGF-1 LR3 behaves in your body. Many peptides are not FDA-approved and are sold for research use only; Lirea neither sells nor supplies any compound.
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