IGF-1 LR3
The direct muscle-growth signal
The messenger that actually tells your muscles to grow. Strong and long-lasting.
🎁 Buy 1, Get 1 Free at Precision Wellness Peptides: every vial you add comes with a second one at no charge.
What IGF-1 LR3 can do for you
Builds new muscle
IGF-1 is the signal that tells muscle to grow. This version helps your body build muscle faster and even create new muscle fibers.
Much faster recovery
Repairs muscle damage from training quicker, so you are ready to go again sooner.
Sends food to muscle, not fat
Helps push the protein and carbs you eat into muscle instead of storing them as fat.
Helps burn fat
Encourages your body to use fat for fuel.
Lasts all day
Normal IGF-1 is gone in minutes. This version stays active for about a day.
Stronger joints and bones
IGF-1 also helps tendons, cartilage, and bone rebuild.
How it works, in 10 seconds
When growth hormone hits your liver, your liver makes IGF-1, and IGF-1 is what does the actual muscle building. IGF-1 LR3 skips the middleman and delivers that signal directly. It was changed slightly so it lasts about a day.
When you'll notice it
Muscle fullness and pumps show up in the first week or two. Size and strength changes build over a 4-week run.
How to take IGF-1 LR3
Four numbers. Mix it, know what one line is worth, draw to the number, and know how often.
Your 4 numbers
1 mg vial4 lines = 20 mcg · 8 lines = 40 mcg · 10 lines = 50 mcg
- Start20 mcg once a day. Draw to 4. Take it after your workout, or in the morning on rest days.
- Going upMove up to 40–50 mcg (8–10 lines) if you feel good. Don't go past 50 mcg.
- Rest4 weeks on, then at least 4 weeks off. Short runs keep it working.
Got a different size vial?
| Vial | Add water | One line = | Starting draw |
|---|---|---|---|
| 0.1 mg | 1 mL | 1 mcg | 20 lines (20 mcg). This small vial is a tester. It holds 2 to 5 doses. |
New to this? A “line” is one tick mark on an insulin syringe. Read the 2-minute dosing basics →
These amounts come from common community use. They were not set by human trials.
Good to know
💡 Good to know
- Always eat carbs with it. It lowers blood sugar. Shaky, sweaty, or dizzy means eat something sugary right away.
- It is very strong. It is not a first peptide.
- Honest note: these amounts come from the bodybuilding community, not from human trials.
⚠️ Be careful
- It can drop your blood sugar fast. Be extra careful if you take insulin or diabetes medicine.
- It is a growth signal. Do not use it if you have cancer now or have had it.
- It is banned in drug-tested sports.
Where to buy IGF-1 LR3
We send readers to Precision Wellness Peptides. Every vial is lab tested, and most orders ship in 1–2 business days.
Buy IGF-1 LR3
Sold by Precision Wellness Peptides · lab tested · ships in 1–2 days
Heads up: this guide and Precision Wellness Peptides are run by the same team.
Every peptide at Precision Wellness Peptides. Every vial you add comes with a second one at no charge. No code needed.