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(4 customer reviews)
IGF-1 LR3 – IGF-1 LR3 1 mg (1 vial)

184 in stock

IGF-1 LR3 – IGF-1 LR3 1mg KIT (10 vials)

20 in stock




  • Chemical Formula: C400H625N111O115S9
  • Molecular Mass: 9117.60
  • Synonyms: Long R3-IGF-1, M9L22Y19H9, 143045-27-6, Long-(arg3)insulin-like growth factor-i
  • CAS Number: 143045-27-6
  • PubChem: 381123731
  • Total Amount of the Active Ingredient: 1 mg (1 vial)
  • Shelf Life: 36 months


  • IGF-1 LR3 (insulin-like growth factor-1 long arginine 3) is a synthesized insulin-like growth factor-1 construct. It stimulates cell growth and division while also promoting protein synthesis and anabolism via attaching to the IGF-1 receptor.

According to research, IGF-1 LR3 has the ability to improve muscle repair and hypertrophy, promote fat metabolism, and inhibit myostatin. Additionally, IGF-1 LR3 is being looked into as a potential treatment for conditions such as growth hormone deficiency, muscle wasting disorders, and insulin resistance.

Product Quality

All of our products are lab tested and the results are occasionally published on the website.

You can have the product you bought from us tested at any HPLC-licensed testing facility and if the results are negative, we will refund the following:

  • Cost of HPLC test
  • Total amount of the order + shipping fee

All of our products are lab tested and the results are periodically published on the website.


Peer-Reviewed Studies 

Hill, R. A., Hunter, R. A., Lindsay, D. B., & Owens, P. C. (1999). Domestic animal endocrinology, 16(4), 219–229.

Conlon, M. A., & Kita, K. (2001). General and comparative endocrinology, 123(3), 332–336.


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  • If your shipment was seized (International Orders), we will provide a 50% discount applicable on your next purchase. Please contact us for more information.
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The information provided above is not intended to substitute medical advice, diagnosis, or treatment. Should you have any questions regarding a medical condition, seek the advice of your physician or a qualified healthcare provider. In no case should medical advice be disregarded or delayed because of what you have read or seen. We bear no responsibility or liability for your use of any of our research compounds and products. Please note that they are being sold for research purposes ONLY as indicated here. We do NOT condone any personal use.

NOTE: In some cases wherein the assigned top colors are out of stock, a different top color will be used to ensure that your order will not be delayed. Should you need assistance identifying the Peptide vial that you received, please send us an email at [email protected] or by chatting with us.


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FDA Disclaimer
The statements made within this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure or prevent any disease.
All products are for laboratory developmental research USE ONLY. Products are not for human consumption.

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