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Comparison

HGH 191AA vs CJC-1295

HGH 191AA vs CJC-1295 — side-by-side
AttributeHGH 191AA
Recombinant Human Growth Hormone
CJC-1295
GHRH analog
CategoryMuscle Growth & PerformanceMuscle Growth & Performance
Best known forReference growth hormone researchSustained GHRH stimulation research
In plain EnglishThe real thing. Where peptides stimulate the body to make more GH, HGH 191AA is the GH molecule itself.If ipamorelin opens the GH faucet, CJC-1295 widens the pipe. Together they produce larger natural GH pulses.
How it worksBinds the GH receptor across tissues, stimulating IGF-1 production, lipolysis, and protein synthesis.Activates the GHRH receptor in the pituitary, increasing the amplitude of natural GH pulses.
Researchers studyGH deficiency, body composition, recovery, and longevity.GH secretion, IGF-1 levels, body composition, and sleep architecture.
Internet discussionLong-running anti-aging discussion topic.DAC vs no-DAC is the eternal forum debate.

HGH 191AA

Recombinant Human Growth Hormone
Muscle Growth & Performance
Best known for

Reference growth hormone research

In plain English

The real thing. Where peptides stimulate the body to make more GH, HGH 191AA is the GH molecule itself.

How it works

Binds the GH receptor across tissues, stimulating IGF-1 production, lipolysis, and protein synthesis.

What researchers study

GH deficiency, body composition, recovery, and longevity.

Internet discussion

Long-running anti-aging discussion topic.

Quick summary

HGH 191AA is recombinant human growth hormone — the reference standard for GH research.

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CJC-1295

GHRH analog
Muscle Growth & Performance
Best known for

Sustained GHRH stimulation research

In plain English

If ipamorelin opens the GH faucet, CJC-1295 widens the pipe. Together they produce larger natural GH pulses.

How it works

Activates the GHRH receptor in the pituitary, increasing the amplitude of natural GH pulses.

What researchers study

GH secretion, IGF-1 levels, body composition, and sleep architecture.

Internet discussion

DAC vs no-DAC is the eternal forum debate.

Quick summary

CJC-1295 is a GHRH analog that amplifies natural GH pulses, especially when paired with a ghrelin mimetic.

View full entry →

HGH 191AA vs CJC-1295 — common questions

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