Glossary
Last updated: October 27, 2026
J/S Vitality, LLC (d/b/a J/S Vitality)
In plain words: short explanations of words and abbreviations used on J/S Vitality. If a word is missing, ask us and we will add it.
Products and research
- Bacteriostatic water (BAC water)
- Sterile water with a small amount of preservative, used in labs to dissolve (reconstitute) freeze-dried powders.
- Batch (lot)
- One production run of a product. Each batch is tested on its own.
- Certificate of analysis (COA)
- A lab report for one batch that shows what it is and how pure it is.
- HPLC (high-performance liquid chromatography)
- A lab test that measures how pure a sample is.
- In vitro
- Done in a test tube or lab dish, not in a living person or animal.
- Lyophilized
- Freeze-dried into a stable powder so it keeps longer.
- Mass spectrometry (MS)
- A lab test that confirms a substance by measuring the weight of its molecules.
- mg (milligram)
- One thousandth of a gram. Product sizes such as "10mg" give the amount in the vial.
- ml (milliliter)
- One thousandth of a liter.
- Peptide
- A short chain of amino acids, the building blocks of proteins.
- Purity
- How much of a sample is the intended substance, shown as a percentage (for example ≥99%).
- Reconstitution
- Adding a liquid to a powder to dissolve it.
- Research use only (RUO)
- For laboratory research by qualified people. Not for people or animals to eat, drink, inject or put on the body.
- Vial
- A small sealed glass container.
Product names
- BPC-157
- A research peptide whose name comes from "Body Protection Compound".
- CJC-1295 and Ipamorelin
- Research peptides studied for their effect on growth hormone release.
- GHK-Cu
- A small peptide bound to copper (Cu), studied in skin research.
- KPV
- A three-amino-acid peptide (lysine, proline, valine) studied in inflammation research.
- MOTS-c
- A peptide made by mitochondria (the energy centers of cells), studied in metabolism research.
- NAD+ (nicotinamide adenine dinucleotide)
- A molecule found in every cell that is involved in making energy.
- SS-31, ARA-290, PT-141, TB-500, SNAP-8
- Research compound names (codes) used by labs and suppliers. Each product page describes what it is studied for.
Shopping and your account
- FAQ (frequently asked questions)
- Common questions and answers.
- SKU (stock-keeping unit)
- A product code we use to track each size in stock.
- Two-factor authentication (2FA, also called MFA or multi-factor authentication)
- A second step when you log in, such as a code from an app on your phone, to keep your account safe.
- Passkey
- A way to log in with your fingerprint, face or device PIN instead of a password.
- Verification email
- An email with a link you click to confirm your email address belongs to you.