§ Same category · GH-stack peptides
IGF-1 LR3 vs MGF
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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IGF-1 LR3
17
vendors tracked
from $44.00/mg
MGF
4
vendors tracked
from $6.00/mg
◎ Cheapest $/mg:MGF at $6.00/mg
IGF-1 LR3
Long-acting IGF-1 analog
B-
Operational$44.00
$44.00/mg
In stockOn sale
Watch
$48.00
$48.00/mg
In stockOn sale▲ 9.1% vs best
Operational
$55.99
$55.99/mg
In stockOn sale▲ 27.3% vs best
Operational
$59.99
$59.99/mg
In stock▲ 36.3% vs best
B-
Watch$59.99
$59.99/mg
In stock▲ 36.3% vs best
B
Operational$59.99
$59.99/mg
In stockOn sale▲ 36.3% vs best
B
Operational$59.99
$59.99/mg
In stock▲ 36.3% vs best
Operational
$65.00
$65.00/mg
In stock▲ 47.7% vs best
Operational
$65.00
$65.00/mg
In stockOn sale▲ 47.7% vs best
Operational
$75.59
$75.59/mg
In stock▲ 71.8% vs best
B-
Operational$85.00
$85.00/mg
In stock▲ 93.2% vs best
Watch
$85.00
$85.00/mg
In stock▲ 93.2% vs best
Operational
$89.99
$89.99/mg
In stock▲ 104.5% vs best
B
Operational$90.00
$90.00/mg
In stock▲ 104.5% vs best
Operational
$97.19
$97.19/mg
Out of stock▲ 120.9% vs best
B-
Operational$99.00
$99.00/mg
In stock▲ 125.0% vs best
Operational
$150.00
$150.00/mg
In stock▲ 240.9% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Southern Aminos US | B- | Operational | $44.00 On sale | $44.00 | In stock | Buy with code → | |
| S1 Research (Step One Ventures) US | C | Watch | $48.00 On sale ▲ 9.1% | $48.00 | In stock | Visit → | |
| Double R Labs US | B | Operational | $55.99 On sale ▲ 27.3% | $55.99 | In stock | Visit → | |
| AMC Essentials US | B | Operational | $59.99 ▲ 36.3% | $59.99 | In stock | Visit → | |
| Modified Aminos US | B- | Watch | $59.99 ▲ 36.3% | $59.99 | In stock | Visit → | |
| MS Peptides US | B | Operational | $59.99 On sale ▲ 36.3% | $59.99 | In stock | Visit → | |
| Welli Labs US | B | Operational | $59.99 ▲ 36.3% | $59.99 | In stock | Visit → | |
| FITSKNS Research Group US | B- | Operational | $65.00 ▲ 47.7% | $65.00 | In stock | Visit → | |
| Peptide Crafters US | A | Operational | $65.00 On sale ▲ 47.7% | $65.00 | In stock | Visit → | |
| ResearchPeptide UK UK | B- | Operational | $75.59 ▲ 71.8% | $75.59 | In stock | Visit → | |
| Atomik Labz US | B- | Operational | $85.00 ▲ 93.2% | $85.00 | In stock | Visit → | |
| Solution Peptides US | B- | Watch | $85.00 ▲ 93.2% | $85.00 | In stock | Visit → | |
| Pure Lab Peptides US | B- | Operational | $89.99 ▲ 104.5% | $89.99 | In stock | Visit → | |
| Ion Peptide US | B | Operational | $90.00 ▲ 104.5% | $90.00 | In stock | Visit → | |
| Research Peptides Europe EU | A | Operational | $97.19 ▲ 120.9% | $97.19 | Out | Visit → | |
| Peptide Hub US | B- | Operational | $99.00 ▲ 125.0% | $99.00 | In stock | Visit → | |
| Core Peptides US | A | Operational | $150.00 ▲ 240.9% | $150.00 | In stock | Visit → |
Sort:
Last crawl 2026-08-12Sort:
2026-08-12MGF
Muscle-targeted IGF-1 splice variant
B-
Watch$29.99
$6.00/mg
In stock◎ Best $/mg
Operational
$50.00
$10.00/mg
In stock▲ 66.7% vs best
Operational
$59.99
$12.00/mg
Out of stock▲ 100.0% vs best
| Vendor | Grade | Risk | Price | $/mg | Trend | Stock | |
|---|---|---|---|---|---|---|---|
| Modified Aminos US | B- | Watch | $29.99 ◎ Best $/mg | $6.00 | In stock | Buy with code → | |
| Core Peptides US | A | Operational | $50.00 ▲ 66.7% | $10.00 | In stock | Visit → | |
| Pure Lab Peptides US | B- | Operational | $59.99 ▲ 100.0% | $12.00 | Out | Visit → |
Sort:
Last crawl 2026-08-12Sort:
2026-08-12About IGF-1 LR3
An IGF-1 analog engineered with reduced IGF binding-protein affinity, giving extended half-life for muscle/hypertrophy research.
About MGF
Mechano Growth Factor — a splice variant of IGF-1 produced by muscle in response to mechanical load. Studied for local muscle growth and repair.