Apex Peptide Supply

Behind the Batch Part 3 of 5 — a magnifying glass with a checkmark, representing independent third-party testing, on a navy background

Behind the Batch, Part 3: Independent Testing

Behind the Batch is a five-part series on what actually happens to a peptide between...
Behind the Batch Part 2 of 5 — a research peptide vial inside a dashed quarantine ring on a navy background

Behind the Batch, Part 2: When a New Batch Arrives

Behind the Batch is a five-part series on what actually happens to a peptide between...
Research peptide vial examined under a magnifying glass with a checkmark, illustrating how Apex Peptide Supply sources and verifies research peptides.

Behind the Batch, Part 1: How Apex Peptide Supply Sources Research Peptides

Behind the Batch is a five-part series on what actually happens to a peptide between...
Peptide endotoxin research infographic showing a 0.22 micron sterilizing filter catching bacteria while endotoxin LPS molecules pass straight through — sterile is not the same as endotoxin-free — Apex Peptide Supply Vendor Quality Series Part 4 of 5

Peptide Endotoxin Testing: Why Sterile Isn’t the Same as Clean

For Research Use Only. Not for human consumption. This is an educational article about analytical...
Peptide content research infographic showing a "10 mg" vial's gross weight split into roughly 80% net peptide content versus water, TFA counterion, and salts — Apex Peptide Supply Vendor Quality Series Part 3 of 5

Peptide Content: How Much Peptide Is Actually in the Vial

For Research Use Only. Not for human consumption. This is an educational article about analytical...
Peptide identity research infographic showing a mass spectrometry peak matching the expected mass to confirm identity — Apex Peptide Research Series Part 2 of 5

Peptide Identity: Is It Even the Right Peptide?

Peptide Quality Standards — Part 2 of 5 In Part 1, we took apart the...
Peptide purity research infographic showing an HPLC chromatogram with a main peak and impurity peaks, and the area-under-curve formula for calculating purity percentage — Apex Peptide Research Series

Peptide Purity: What That Percentage Actually Measures

Peptide Quality Standards — Part 1 of 5 Every peptide sold online comes with a...
NAD+ research infographic showing a 3 out of 5 hype vs evidence rating, structure, and origin — Apex Peptide Research Series Part 6

NAD+: What the Research Actually Says

Research use only. Not for human consumption. What it is NAD+ (nicotinamide adenine dinucleotide) is...
GHK-Cu research graphic, Part 5 of 6 of the Apex Peptide Research Series, showing a 4/5 Hype vs. Evidence rating

GHK-Cu: What the Research Actually Says

Research use only. Not for human consumption. What It Is GHK-Cu is a naturally occurring...
Ipamorelin research graphic, Part 4 of 6 in the Apex Peptide Research Series, with a Hype vs. Evidence rating of 3 out of 5.

Ipamorelin: What the Research Actually Says

Research use only. Not for human consumption. What it is Ipamorelin is a synthetic pentapeptide...