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GHRP-6 is a hexapeptide acting on the ghrelin receptor, best known for the strongest appetite stimulation in its group. Sold as research material, not as a medicine.

What is in the vial

Three manufacturers, all in 10 mg vials of lyophilised powder. The differences between them are price and the batch certificate, not the compound. A 10 mg vial with 2 ml of bacteriostatic water gives 5 mg per millilitre; the calculation is in the guide on reconstitution.

The appetite question

GHRP-6 produces intense hunger beginning 15 to 20 minutes after injection, the strongest of the peptides in this group. Whether that is an advantage or an obstacle depends entirely on the goal: it helps when the problem is eating enough, and gets in the way when it is not. Ipamorelin is the usual choice when appetite stimulation is unwanted.

This is the one property of the class that is impossible to miss in practice, and it is also the reason people abandon the compound. It is worth deciding in advance which side of that line you are on, because the effect is not adjustable once the injection is given.

Limits and status

Like GHRP-2, it raises cortisol and prolactin in a dose-dependent way. Its growth hormone amplitude per injection is comparable to ipamorelin or higher. It is not an approved medicine, and it is prohibited in sport at all times under category S2. The comparison across the group is in GHRP-2, GHRP-6, ipamorelin and hexarelin.

No randomised human trial has measured what any of these peptides does to body composition, strength or recovery. The published data describe hormone concentrations after a single administration, which is a much narrower claim than the advertising suggests.

What it is bought with

Usually with a GHRH analogue such as CJC-1295, because the two receptors together give a bigger pulse than either alone. The pair is also sold pre-mixed in one vial. For the same class without the hunger and without the cortisol rise, see ipamorelin.

Handling and verification

Supplied as lyophilised powder. Storage rules change once it is dissolved: see storage. Check the code under the hologram as described in check your product. We ship within Poland and abroad; outside Poland the cost is quoted individually, depending on weight and destination country. Details: shipping and payments.

Questions

How strong is the hunger?

It is the strongest in this group and it starts 15 to 20 minutes after the injection. That is the property GHRP-6 is known for.

How does it differ from GHRP-2?

Both raise cortisol and prolactin dose-dependently. GHRP-2 is regarded as the stronger by peak growth hormone; GHRP-6 by appetite.

Is there a version without the hunger?

Ipamorelin, in the same class, gives minimal appetite stimulation and does not raise cortisol above the level seen after GHRH alone.

Is it allowed in sport?

No. It is prohibited at all times under category S2 of the World Anti-Doping Agency list.