Subject
Comparisons & Bench Methods: Research Articles for US Labs
Two kinds of reference sit here. Paired comparisons set related compounds side by side on what the literature reports for each. Bench-method guides cover handling lyophilized material in the lab: solvent choice, reconstitution arithmetic and storage conditions. Laboratory reference only, with no dosing or administration content.
- articles
- 9
- sources cited
- 49
- last revised
- Sep 26
Recently Published
Jump to the full library ↓GLP-1, GIP and Glucagon Receptor Pharmacology: Mono-, Dual- and Triple-Agonist Peptides Compared
One receptor, two or three: how semaglutide, tirzepatide and retatrutide differ at the receptor, and what that means for assay design
Adam Reeves · Sep 26, 2026 · 5 min read · 7 sources
- 02TB-500 vs Thymosin Beta-4 vs Ac-SDKP: Three Molecules Sold Under One NameComparisons & Bench Methods · Sep 15, 2026 · 6 min
- 03Peptide Reconstitution Math for the Lab: Concentration, Molarity, Dilution and Aliquots (Worked Examples)Comparisons & Bench Methods · Sep 12, 2026 · 5 min
- 04Shipping and Storing Lyophilized Peptides in the US: Heat, Transit Time and What to Do on ArrivalComparisons & Bench Methods · Sep 10, 2026 · 5 min
The Full Library
Bench Methods
4- Lab Practice
Peptide Reconstitution: The Laboratory Guide
Solvent choice, the arithmetic, and the handling errors that destroy material before an experiment starts
- Lab Practice
Peptide Storage and Shelf Life: The Laboratory Guide
Four degradation routes, two physical states, and why the dry solid is so much more forgiving than the solution
- Lab Practice
Shipping and Storing Lyophilized Peptides in the US: Heat, Transit Time and What to Do on Arrival
Dry material forgives a short ambient trip; days of heat, moisture and repeated warming are what to plan around
- Lab Practice
Peptide Reconstitution Math for the Lab: Concentration, Molarity, Dilution and Aliquots (Worked Examples)
Six steps from a lyophilized vial to labeled aliquots, each with its formula and a worked line you can check
Head-to-Head
5- Tissue Repair
BPC-157 vs TB-500: The Research Comparison
Two compounds routinely sold as a pair, with different origins, different mechanisms and different kinds of evidence
- Metabolic & GLP-1
Retatrutide vs Tirzepatide: Triple Against Dual
One extra receptor, one approval, and a gap in trial depth that the receptor count does not close
- Metabolic & GLP-1
Semaglutide vs Tirzepatide: The Only Head-to-Head Trial in the Class
One receptor against two, and the rare case where the comparison was actually run rather than inferred
- Metabolic & GLP-1
GLP-1, GIP and Glucagon Receptor Pharmacology: Mono-, Dual- and Triple-Agonist Peptides Compared
One receptor, two or three: how semaglutide, tirzepatide and retatrutide differ at the receptor, and what that means for assay design
- Tissue Repair
TB-500 vs Thymosin Beta-4 vs Ac-SDKP: Three Molecules Sold Under One Name
A 43-residue protein, a seven-residue fragment and a four-residue cleavage product, and the one certificate line that tells them apart
Other Subjects
Each subject has its own page listing every article filed under it.
- Compound Profiles One peptide per article: the published studies, the gaps in them, and the certificate on file.29
- Verification & Lab Data Checking a certificate yourself: HPLC purity, fill quantity, lab confirmation, doctored reports.8
- FDA & Regulation Where research peptides sit under US federal law, and what recent FDA activity does not change.5
Who Writes These
Adam Reeves
Research Editor, Eppix Labs
Writes the compound profiles, the certificate-checking guides and the FDA reading in this library. The profile page sets out the scope of the role and lists every article under the byline.
View profile and articles →Editorial Rules
- Where an article summarizes published studies, claims carry a bracketed number that resolves to a References entry with a PubMed ID or a link to the source document.
- Where an article shows a certificate, it is drawn from the lab-results library with its batch number, rather than retyped into the text.
- Each article carries a named byline and the date it was first published.
- Statements about FDA status point to the agency or Federal Register document behind them.
- Laboratory research reference only. No dosing, administration or human-use guidance appears anywhere in the library.
Get the Research Digest
Periodic research summaries and new references, sent to the research list only.
Sold for in vitro laboratory research only. Not a drug, supplement or FDA-approved product, and not for human or veterinary use.