Mod GRF 1-29 5mg is a GHRH analog, and Raw Amino sells it as freeze-dried powder in a 5mg vial. It’s sold for laboratory research only.
About Mod GRF 1-29 (CJC-1295 without DAC)
CJC-1295 without DAC, also called modified GRF(1-29), is GHRH(1-29) with four amino acid changes that protect it from enzymes. Its half-life is longer than sermorelin’s, though still short.
It doesn’t have the drug affinity complex that lets CJC-1295 DAC bind albumin.
Buy Mod GRF 1-29 5mg online with free shipping
You can buy Mod GRF 1-29 5mg online from Raw Amino at $45. The terms are simple:
- Shipping is free on all orders, worldwide
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- Pay with crypto and get 15% off at checkout
- In stock and ready to ship in a sealed, labelled vial
Mod GRF 1-29 mechanism of action
GHRH from the hypothalamus tells the pituitary to release growth hormone. Only its first 29 amino acids are needed for that.
Natural GHRH(1-29) lasts a few minutes before enzymes cut it. The four swaps in CJC-1295 without DAC block those cuts, so it lasts around half an hour. That keeps GH release pulse-like, which is why it’s often paired with a ghrelin-receptor peptide like ipamorelin.
Mod GRF 1-29 5mg at a glance
- Compound: Mod GRF 1-29 (CJC-1295 without DAC)
- Also known as: modified GRF (1-29)
- CAS number: 863288-34-0
- Molecular formula: C152H252N44O42
- Molar mass: 3,367.9 g/mol
- Structure: 29 amino acids (modified GRF 1-29)
- Amount: 5mg per vial
- Form: freeze-dried (lyophilized) powder in a sealed glass vial
- SKU: RA-MOD-GRF-1-29-5MG
- Stock: in stock
- Use: laboratory research only
What the research says about Mod GRF 1-29
The amino acid changes were described in work on tetrasubstituted GRF analogs.
Most published human data are on the DAC version.
The studies above are indexed on PubMed. This CJC-1295 (no DAC) search is a good place to begin.
Mod GRF 1-29 vs related compounds
Where does Mod GRF 1-29 fit? It’s a stabilized GHRH(1-29) with a half-life of about 30 minutes, giving short, natural-looking pulses. Related options in the Raw Amino catalog:
- GHRP-2 is the strongest GH releaser of the original GHRPs, with a milder appetite effect than GHRP-6
- Sermorelin is the unmodified first 29 amino acids of GHRH, broken down within minutes
- Hexarelin is a very potent GHRP that also binds CD36 on heart cells
- CJC-1295 DAC binds albumin and lasts about a week, giving a raised GH baseline instead of short pulses
- GHRP-6 releases GH and strongly raises appetite, the classic tool for feeding research
- Tesamorelin is full-length GHRH with a fatty acid cap, the only GHRH analog currently approved as a drug in the US
The GHRH analogs (Mod GRF 1-29, CJC-1295 DAC, sermorelin, tesamorelin) share one receptor and mostly differ in how long they last. Ipamorelin and the GHRPs act on the ghrelin receptor, which is why so many studies pair one of each. See them side by side on our growth hormone peptides page.
What is printed on the Mod GRF 1-29 5mg vial
Look for the Raw Amino logo, the name of the compound, the Research use only band and the strength, 5mg. Those four things tell you you’ve got the right vial.
The powder inside should look like a small dry cake or loose white flakes at the bottom of the glass. It’s normal for it to shift around in transit or to sit as a thin film on the side of the vial.
Some studies require the lab to confirm identity itself. If yours does, plan for that before reconstituting the whole vial.
Mod GRF 1-29 5mg mixing chart
Here’s what typical water volumes give you:
- 5mg vial plus 1mL of water: 5mg per mL
- 5mg vial plus 2mL of water: 2.5mg per mL
- 5mg vial plus 3mL of water: 1.67mg per mL
Most labs use sterile bacteriostatic water. Let the sealed vial come to room temperature, then run the water slowly down the inside of the glass and roll the vial gently until it’s clear. Shaking makes foam and can damage the peptide, so don’t.
Write the concentration and the date on the label as soon as you’ve mixed it.
How to keep Mod GRF 1-29 5mg stable
For long-term storage, freeze sealed Mod GRF 1-29 5mg at -20°C in the dark. Freeze-dried peptide is stable enough to travel at room temperature for several days.
Once you’ve added water, keep the vial in the fridge at 2 to 8°C and use it within about four weeks. Let a frozen vial warm up before opening it, because cold glass pulls moisture out of the air.
Related growth hormone peptides
- Sermorelin Ipamorelin Blend 10mg: Sermorelin and Ipamorelin in one vial
- CJC-1295 Ipamorelin GHRP-2 Blend 9mg: Mod GRF 1-29, Ipamorelin and GHRP-2 in one vial
- Hexarelin 5mg: a GH releasing peptide
- Sermorelin 5mg: a GHRH analog
- Tesamorelin Ipamorelin Blend 8mg: Tesamorelin and Ipamorelin in one vial
Browse all growth hormone peptides, or open the full Raw Amino shop to see every vial we sell.
Mod GRF 1-29 5mg questions and answers
How much is in the Mod GRF 1-29 5mg vial?
5mg of freeze-dried Mod GRF 1-29. The amount is printed on the label.
Is Mod GRF 1-29 5mg in stock?
Yes. It’s in stock now.
Do you ship internationally?
Yes. Shipping is free on every order, worldwide.
Is there a discount code?
Yes. New customers can use firstrawamino$$ for 10% off, and crypto payments get 15% off at checkout.
What do I mix Mod GRF 1-29 5mg with?
Sterile bacteriostatic water. The mixing chart above shows the concentration you get from each volume.
Get Mod GRF 1-29 5mg with free shipping
Order Mod GRF 1-29 5mg now for $45. Delivery is free, and paying with crypto takes another 15% off.
Other compounds for this kind of work are in our growth hormone peptides.
Raw Amino sells this product for laboratory research only. It isn’t for human or veterinary use, and these statements haven’t been evaluated by the FDA.
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