Feel Good Essentials Inc.
Peptides characterized and documented to pharmaceutical standards.
Sourced from audited manufacturing facilities in the United States and Europe. Identity confirmed by mass spectrometry. Purity reported by HPLC. Every batch documented in a certificate from an ISO 17025 accredited laboratory.
The problem with the market
Most peptides sold in the United States are repackaged material with a printed label.
By common industry estimates, a large share of peptides in the U.S. market originate from suppliers with no batch testing, no chain-of-custody documentation, and no FDA-registered API trail. The label states one thing. The material inside is undocumented.
FeelGood is built the other way. We source from a small number of audited facilities in the United States and Europe, we test every batch, and we publish the result. The certificate is not decoration around the product. For a research buyer, the certificate is the product.
The Standard
Four checks behind every vial.
Sourcing
Audited facilities in the United States and Europe. We do not source from China. Each compound carries an FDA-registered API trail and chain-of-custody documentation from synthesis to vial.
Identity
Mass spectrometry confirms that the molecule in the vial is the molecule named on the label, at the correct molecular weight.
Purity
High-performance liquid chromatography measures purity for the specific batch. The figure is printed on the certificate, not rounded up in a headline.
Safety testing
Endotoxin testing and third-party analysis. Certificates are issued by laboratories holding ISO 17025 accreditation, which carry no financial stake in the result.
Certificate of analysis
Read the document before you read anything else.
A certificate of analysis records what a specific batch actually contains: the compound, the molecular weight, the measured purity, the testing methods, the issuing laboratory, and the batch number. A batch-specific certificate from an accredited, independent lab is the difference between a quality claim and a quality fact.
Every FeelGood order ships with the certificate for its batch. The full library is open to read before any purchase.
Certificate of Analysis
ISO/IEC 17025 lab
- Compound
- Epitalon (AEDG)
- Batch
- FG-EPT-2604
- Molecular weight
- 390.35 g/mol
- Identity (MS)
- Confirmed
- Purity (HPLC)
- 99.2%
- Endotoxin
- < 0.5 EU/mg
- Origin
- U.S.A.
- Issued by
- Accredited third party
Illustrative example. Figures shown are placeholders.
The catalog
Research compounds, listed plainly.
Each listing shows the compound, its form, the measured purity for the current batch, and a link to the certificate. Sold for laboratory and research use only.
Vilon
Vial · research compound
Dipeptide bioregulator (KE) studied in immune modulation and thymic function research. One of the simplest compounds in the Khavinson series. US-manufactured. ISO 17025 certificate per batch.
Vesugen
Vial · research compound
Tripeptide vascular bioregulator (EDG) studied for proposed effects on endothelial function and cardiovascular tissue aging. Part of Professor Khavinson’s bioregulator series. US-manufactured. ISO 17025 certificate per batch.
Pinealon
Vial · research compound
Tripeptide bioregulator (EDR) studied for proposed neuroprotective and circadian regulatory properties. Part of Professor Khavinson’s four-decade bioregulator research program. US-manufactured. ISO 17025 certificate per batch.
MP5
Vial · research compound
Synthetic pentapeptide examined in preclinical neuroscience research on neuronal survival, oxidative stress, and inflammatory signaling. US-manufactured. ISO 17025 certificate per batch.
MOTS-C
Vial · research compound
16-amino-acid mitochondrial-derived peptide studied in preclinical research on metabolic regulation, insulin sensitivity, and AMPK signaling. US-manufactured. ISO 17025 certificate of analysis per batch.
Epitalon
Vial · research compound
Tetrapeptide bioregulator (AEDG) from Professor Khavinson’s research program at the Saint Petersburg Institute of Bioregulation and Gerontology. Most cited area: preclinical telomere biology research. US-manufactured. ISO 17025 certificate per batch.
Capsule formats are not listed pending compliance review and are not available on the storefront.
Research use
Supplied to qualified buyers, for research.
FeelGood products are supplied for laboratory and research use only and are not for human consumption. At checkout, buyers confirm that the purchase is for research purposes.
We do not provide dosing guidance, administration instructions, or protocols, and we do not sell injection supplies. Questions about the science belong in The Journal, our editorial library.
I confirm that I am purchasing these products for laboratory or research purposes only, and not for human consumption.
Required at checkout. Order cannot proceed without it.
The Journal
We publish the science, not a sales pitch.
FeelGood maintains an editorial library on peptide research, manufacturing standards, and the U.S. regulatory landscape. It is citation-led and written for readers who want primary sources. It does not sell anything.
Questions
Before you buy.
What does "for research use only" mean?+
It means the product is supplied for laboratory and research applications and is not intended for human consumption. FeelGood makes no claims about effects in humans and does not provide medical advice.
Where are your peptides manufactured?+
In audited facilities in the United States and Europe. We do not source from China. Each compound carries an FDA-registered API trail and chain-of-custody documentation.
What is an ISO 17025 certificate of analysis?+
ISO/IEC 17025 is the international standard for the technical competence of testing laboratories. A certificate from an accredited lab documents the methods used and the results for a specific batch, issued by a laboratory with no financial interest in the outcome.
How are identity and purity confirmed?+
Identity is confirmed by mass spectrometry. Purity is measured by high-performance liquid chromatography (HPLC) and reported per batch on the certificate.
How are orders shipped and stored?+
Orders ship with handling appropriate to each compound, including cold-chain shipping where required. Storage notes are included on the certificate and packing documentation.
What ships with my order?+
Every order ships with the certificate of analysis for its specific batch. The full certificate library is also available to read before purchase.
The Journal
New writing, when there is something worth reading.
Editorial updates from FeelGood. Notes on quality standards, the regulatory landscape, and long-form pieces on peptide research. No discount codes. No product launches in the inbox.
Unsubscribe at any time. We do not share email addresses.
Feel Good Essentials Inc.