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

72 in stock

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

8 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 binds to IGF type 1 receptors and stimulates tissue growth in nervous, lymphoid, reproductive, smooth muscle, endothelium, and bone tissues. The long R3 IGF-1 version is importantly more potent than its base compound, IGF-1, due to its long half-life of 20-30 hours.


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.

Customer Reviews
5.0 Based on 3 Reviews
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Arn V.

5 star

Been amazing thank you.

Dann W.

Great products & outstanding customer service!

"Great products & outstanding customer service! I do not write many reviews, but I have ordered a variety of products from Swisschems recently and consistently receive quality products, delivered well packaged and on time. I would also give their customer service excellent marks on both product information and resolving issues. I have had some minor mix-ups on product and they are always very responsive and resolve issues quickly. They are also very knowledgeable and responsive on technical and lab related questions calling me or answering multiple emails to be sure I had all the information I needed. I would recommend Swisschems with confidence for your any peptide needs."

Dallas P.

I've been ordering all over the web.. Behemoth ******, few others had okay SARMS.. but SwissChem is on another level.

"I've been ordering all over the web.. Behemoth ******, few others had okay SARMS.. but SwissChem is on another level. I got a call instantly from RAY, dude was just awesome. You know its legit with awesome service when they CALL YOU to go over your order and make sure you're okay. With all the scams and bullsh*t out there, Swiss is the place to go. I'll be ordering MONTHLY from now on. Thanks RAY! -Dallas"


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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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