CJC-1295 Calculator
Also known as: Modified GRF 1-29 (DAC), Mod-GRF 1-29
What is CJC-1295?
CJC-1295 is a synthetic analogue of growth-hormone-releasing hormone (GHRH). The 'with DAC' (Drug Affinity Complex) form has an extended half-life via covalent albumin binding; the 'without DAC' form (Mod-GRF 1-29) has a half-life of approximately 30 minutes and is dosed more frequently. It is commonly stacked with ipamorelin.
| 2 mg | lyophilized powder |
| 5 mg | lyophilized powder |
| 10 mg | lyophilized powder |
| 0.05 mg | ≈ 2 U-100 units (at 5mg / 2mL) |
| 0.1 mg | ≈ 4 U-100 units (at 5mg / 2mL) |
| 0.2 mg | ≈ 8 U-100 units (at 5mg / 2mL) |
How it's typically prepared
Reconstitute with BAC water; refrigerate. The lyophilized powder is stable at room temperature for transport.
Frequently asked questions
- CJC-1295 with DAC vs. without DAC?
- With DAC has a half-life of approximately 6–8 days and is dosed weekly or twice weekly. Without DAC (Mod-GRF 1-29) has a 30-minute half-life and is dosed two to three times daily.
- How does CJC-1295 stack with ipamorelin?
- GHRH (CJC-1295) and a GH secretagogue (ipamorelin) act on different receptors and are commonly co-administered to amplify the GH pulse. They are typically reconstituted in separate vials and either co-drawn or alternated.
Where researchers source this
Vendors below have been manually vetted for third-party COA practice and shipping reliability. Verify the current Certificate of Analysis on the vendor's product page before purchase.
Apollo Peptide SciencesUSA-based research vendor with third-party HPLC and mass spectrometry COAs plus endotoxin reports published per product. Specialty in GLP-1 reference compounds (Semaglutide, Tirzepatide, Retatrutide). Ships within 48 hours via USPS Priority/Express. 120-day cookie window — the longest US attribution in the space.
Buy CJC-1295 / Ipamorelin (No DAC) →Affiliate link — we may earn a commission at no extra cost to you.
EU-based vendor (Slovakia, since 2015) shipping to EU, UK, and Switzerland. The only European supplier publishing all seven test parameters per batch (purity, identity, content, bioburden, endotoxins, heavy metals class 1 & 2). Manufacturer is cGMP / ISO 9001 / ISO 13485 compliant.
Buy CJC-1295 + DAC 5mg →Affiliate link — we may earn a commission at no extra cost to you.

Stacks containing CJC-1295
Other GHS peptides
PeptideDose is an educational reference. It is not medical advice and does not replace consultation with a licensed healthcare provider. Doses shown in presets are derived from published protocols and product labels — they are not personal recommendations.
