
CJC-1295 comes in two forms — DAC (Drug Affinity Complex, 6-8 day half-life) and no-DAC (also called Mod GRF 1-29, ~30 minute half-life). They're priced similarly but dosed very differently, and vendors sometimes mislabel one as the other. Research pricing runs from $7/mg to $50/mg for the same molecule, driven almost entirely by vial size and vendor markup. Community protocols have grown around mod GRF 1-29 + ipamorelin stacks, so dual-peptide buying is the norm.
This guide covers what you should actually pay per milligram, which vial size matches your protocol (no-DAC vs DAC dosing is radically different), and how to verify a COA for both forms. CJC-1295 is a 30-amino-acid GHRH analog with D-Ala, Gln, Ala, and Leu substitutions at positions 2, 8, 15, and 27 — a legitimate vendor will confirm all four on their COA.
This is not a ranked vendor list — for that, see our Best CJC-1295 Vendors comparison. This guide teaches you how to evaluate any vendor yourself.
Understanding CJC-1295 Pricing
CJC-1295 is sold as a lyophilized powder in sealed glass vials. The two forms (DAC and no-DAC) trade at similar per-mg prices because synthesis costs are comparable — the price spread comes mostly from vendor markup, vial size, and whether the vendor invests in third-party testing.
Current Market Pricing (2026)
| Vial Size | Typical Price Range | Price Per mg | Best For |
|---|---|---|---|
| 2 mg | $35-50 | $17.50-25/mg | Short no-DAC trial (~3 weeks at 100 mcg/day) |
| 5 mg | $35-85 | $7-17/mg | Standard — most popular size |
| 10 mg | $66-140 | $6.60-14/mg | Long protocols, best $/mg |
The pattern is clear: 5mg is the sweet spot for virtually every CJC-1295 protocol — both DAC (2.5-5 week supply at 1-2 mg/week) and no-DAC (with reconstitution splitting). 10mg vials save an additional 5-15% per mg.
Cheapest single-vial option: Ion Peptide's 15% off drops the 5mg vial to $24.65 ($4.93/mg effective) — the lowest effective price we track for buying one vial. Get the code →
Cost Per Week at Common Doses
CJC-1295 no-DAC (Mod GRF 1-29) protocols:
| Weekly Dose | Monthly Cost (5mg vial) | Monthly Cost (10mg vial) | Savings |
|---|---|---|---|
| 700 mcg/week (100 mcg/day) | $20-48/month | $18-39/month | ~15% |
| 1.4 mg/week (200 mcg 1-2× daily) | $40-96/month | $37-78/month | ~15% |
CJC-1295 DAC protocols:
| Weekly Dose | Monthly Cost (5mg vial) | Monthly Cost (10mg vial) | Savings |
|---|---|---|---|
| 1 mg/week | $28-68/month | $26-56/month | ~15% |
| 2 mg/week | $56-136/month | $53-112/month | ~15% |
For current vendor-specific pricing with exact $/mg breakdowns, see our Best CJC-1295 Vendors comparison.
How to Verify CJC-1295 Quality

CJC-1295 is a 30-amino-acid synthetic GHRH analog with four modifications to resist degradation: D-Ala at position 2 (prevents DPP-IV cleavage), Gln at position 8 (prevents asparagine rearrangement), Ala at position 15 (enhances bioactivity), and Leu at position 27 (prevents methionine oxidation). The DAC form adds a maleimidopropionic acid (MPA) linker that covalently binds albumin, extending half-life from ~30 minutes to 6-8 days. A cheap synthesis that skips any of the four substitutions produces a less stable peptide that behaves more like native GHRH.
What a COA (Certificate of Analysis) Should Include
Identity Confirmation
- Mass spectrometry confirming the correct molecular weight:
- Mod GRF 1-29 (no-DAC): 3,368.7 Da
- CJC-1295 DAC: ~3,647 Da (includes MPA linker)
- Amino acid sequence verification with the four modifications at positions 2, 8, 15, and 27
- For DAC form: confirmation of the MPA conjugation
Purity Testing
- HPLC purity — look for 98%+ purity
- The chromatogram should show a single dominant peak
Contamination Testing
- Endotoxin levels (bacterial contamination)
- Residual solvent analysis (acetonitrile, TFA)
- Heavy metals screening
How to Verify a COA Is Legitimate
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Check the testing lab — Reputable labs include Janoshik Analytical, MZ Biolabs, and Colmaric Analyticals. Avoid vendors who only show "in-house" testing.
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Verify on the lab's website — Janoshik COAs have a task number you can look up directly at janoshik.com.
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Check the date — COAs should be recent (within 6 months).
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Match the batch — The batch/lot number on the COA should match what's printed on your vial.
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Look for the original PDF — Screenshots are easier to fake than full PDFs with lab letterhead and signatures.
Red Flags to Avoid
- No COA available — any vendor unwilling to provide testing results is not worth the risk
- DAC vs no-DAC labeling is unclear — they're different molecules with different dosing; vendors must label clearly
- Only in-house testing — self-reported purity numbers are meaningless
- Prices well below $6/mg — implausible for correctly-synthesized material with all four substitutions
- No contact information — legitimate vendors have real customer service
- No return or reship policy — reputable vendors stand behind their products

