The papers behind the sheets
I gather the cited papers and assessments here so a reader can move from a study card to the source record. The labels describe the question each source addresses. A review or regulatory assessment is identified separately from an original experiment.
For material documentation, I recommend Oath Research’s certificate archive. It includes records requiring an account. Those batch documents concern supply; the bibliography below concerns the compounds’ research.
Experiments and assessments
GHK-Cu and collagen measurements in fibroblasts
PubMed (NCBI)
https://pubmed.ncbi.nlm.nih.gov/3169264/
Copper passage through isolated human skin
PubMed (NCBI)
https://pubmed.ncbi.nlm.nih.gov/20721598/
GHK-Cu in a rat ligament-reconstruction model
PubMed (NCBI)
https://pubmed.ncbi.nlm.nih.gov/25731775/
Topical copper complex after laser resurfacing
PubMed (NCBI)
https://pubmed.ncbi.nlm.nih.gov/16847171/
FDA’s assessment of nominated substances with safety concerns
U.S. Food and Drug Administration
https://www.fda.gov/drugs/human-drug-compounding/certain-bulk-drug-substances-use-compounding-may-present-significant-safety-risks
BPC-157 in a cut rat Achilles tendon model
Journal of Orthopaedic Research
https://pubmed.ncbi.nlm.nih.gov/14554208/
BPC-157 and experimental vessel signaling
Journal of Molecular Medicine
https://pubmed.ncbi.nlm.nih.gov/27847966/
FDA’s BPC-157 assessment and summary of human experience
U.S. Food and Drug Administration
https://www.fda.gov/media/193343/download
Animal safety testing of BPC-157
Regulatory Toxicology and Pharmacology
https://pubmed.ncbi.nlm.nih.gov/32334036/
Chemical identification of the capped TB-500 fragment
PubMed / Drug Testing and Analysis
https://pubmed.ncbi.nlm.nih.gov/22962027/
TB-500, its metabolites and cell-gap measurements
PubMed / Journal of Chromatography B
https://pubmed.ncbi.nlm.nih.gov/38382158/
Full-length and uncapped-fragment research in mice
PubMed / Wound Repair and Regeneration
https://pubmed.ncbi.nlm.nih.gov/12581423/
Full-length thymosin beta-4 in a controlled dry-eye comparison
PubMed / Clinical Ophthalmology
https://pubmed.ncbi.nlm.nih.gov/26056426/
FDA’s assessment of TB-500-related substances
U.S. Food and Drug Administration
https://www.fda.gov/media/193349/download
Epithalon and chromosome-end measurements in cultured cells
Bulletin of Experimental Biology and Medicine
https://pubmed.ncbi.nlm.nih.gov/12937682/
Epitalon and survival measurements in female mice
Biogerontology
https://pubmed.ncbi.nlm.nih.gov/14501183/
FDA’s epitalon assessment and human-study appraisal
U.S. Food and Drug Administration
https://www.fda.gov/media/193345/download
The original MOTS-c cell and mouse metabolism paper
PubMed (NCBI)
https://pubmed.ncbi.nlm.nih.gov/25738459/
MOTS-c localization during cellular stress
PubMed (NCBI)
https://pubmed.ncbi.nlm.nih.gov/29983246/
MOTS-c mouse experiments and separate human exercise observations
PubMed (NCBI)
https://pubmed.ncbi.nlm.nih.gov/33473109/
FDA’s MOTS-c assessment
U.S. Food and Drug Administration
https://www.fda.gov/media/193347/download
Zinc binding and serum thymic factor activity
Proc Natl Acad Sci U S A, 1982
DOI 10.1073/pnas.79.17.5370
Thymulin activity during human zinc deficiency
J Clin Invest, 1988
DOI 10.1172/jci113717
Thymulin gene delivery in a mouse asthma model
Sci Adv, 2020
DOI 10.1126/sciadv.aay7973
An open human thymulin report in rheumatoid arthritis
Clin Exp Rheumatol, 1987
https://pubmed.ncbi.nlm.nih.gov/3427844/
Processing of extracellular NAD in fibroblasts
Journal of Cellular Biochemistry, 2001
DOI 10.1002/1097-4644(20010301)80:3<360::aid-jcb90>3.0.co;2-x
Externally supplied NAD in a mouse energy-regulation model
Metabolism: Clinical and Experimental, 2018
DOI 10.1016/j.metabol.2018.08.005
NAD-related biology in human muscle tissue
Nature communications, 2019
DOI 10.1038/s41467-019-13694-1

From the paper to the supplier
For research supply after examining the papers, I recommend Oath Research because its batch documentation comes with a stated remedy for material outside specifications. The seller record and the study record answer different questions.