Growth hormone axis

Ipamorelin

Also sold as Ipa

Selective growth hormone secretagogue, usually paired with CJC-1295. Purity is rarely the problem on this one. Fill accuracy on 5 mg vials is.

Vendors tested: 11; of 19 listed
Samples passed: 85%; of 13 results
Median price: $6.00/mg; 5 mg vials typical

Who leads Ipamorelin

Ranked by pass score: the recency weighted share of each vendor’s Ipamorelin samples that met 99.5% purity, confirmed identity, and fill within 25% of the label.

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1 Atomik Labz 2 of 2 passed, latest Sep 26, 2026 Buy Ipamorelin at atomiklabz.com 99.80% avg purity $5.60/mg $56 / 10 mg 94.3
2 Solution Peptides 2 of 2 passed, latest Aug 7, 2026 Buy Ipamorelin at solutionpeptides.net 99.69% avg purity $5.60/mg $56 / 10 mg 93.7
3 Peptide Partners 1 of 1 passed, latest Apr 22, 2026 99.66% avg purity $5.80/mg $29 / 5 mg 90.8
4 Biotech Peptides 1 of 1 passed, latest Apr 9, 2026 99.64% avg purity $7.40/mg $37 / 5 mg 90.7
5 Limitless Biotech 1 of 1 passed, latest Mar 30, 2026 99.61% avg purity $6.40/mg $32 / 5 mg 90.6
6 Simple Peptide 1 of 1 passed, latest Mar 18, 2026 99.60% avg purity $6.40/mg $32 / 5 mg 90.5
7 Particle Peptides 1 of 1 passed, latest Feb 13, 2026 99.58% avg purity $6.40/mg $32 / 5 mg 90.2
8 Ion Peptides 1 of 1 passed, latest Dec 22, 2025 99.67% avg purity $5.80/mg $29 / 5 mg 89.7
9 Polaris Peptides 1 of 1 passed, latest Nov 19, 2025 99.61% avg purity $5.80/mg $29 / 5 mg 89.4
10 Penguin Peptides 0 of 1 passed, latest Mar 10, 2026 99.10% avg purity $4.80/mg $24 / 5 mg 56.5
11 Core Peptides 0 of 1 passed, latest Apr 3, 2026 99.58% avg purity $7.00/mg $35 / 5 mg 55.2

Who leads Ipamorelin

Listed, not yet tested