Bacteriostatic water (BAC)
Sterile water containing ~0.9% benzyl alcohol, which suppresses bacterial growth so a vial can be used over multiple days. Distinct from plain sterile water, which has no preservative and is intended for single use.
Reconstitution
Dissolving a freeze-dried (lyophilised) powder in liquid so it can be drawn and injected. The powder's mass does not change — adding more liquid makes the solution more dilute, not weaker in total.
Lyophilised
Freeze-dried to a stable powder. Most research peptides ship this way because dry powder keeps far longer than solution.
Concentration
How much compound sits in each millilitre of solution, e.g. mg/mL. Vial strength divided by the volume of BAC water added.
Insulin unit (U-100)
A mark on a U-100 insulin syringe. 100 units = 1 mL, so 1 unit = 0.01 mL. Units measure VOLUME, not dose — the same 10 units delivers a different amount at every concentration.
Subcutaneous (SubQ)
Injection into the fat layer just under the skin.
Intramuscular (IM)
Injection into muscle.
Titration
Increasing a dose gradually over weeks rather than starting at the target, usually to let tolerability catch up.
PRN
From the Latin pro re nata — "as needed" rather than on a fixed schedule.
BUD (beyond-use date)
The date after which a reconstituted or compounded preparation should no longer be used. Distinct from the manufacturer's expiry date on the sealed vial.
Half-life
The time for the amount in the body to fall by half. A rough rule is that it takes about 4–5 half-lives for a compound to be effectively cleared, and a similar span of repeated dosing to reach steady state.
Steady state
The point at which the amount going in per interval equals the amount cleared, so peaks and troughs stop climbing.
Pharmacokinetics (PK)
What the body does to the compound — absorption, distribution, metabolism, excretion.
Pharmacodynamics (PD)
What the compound does to the body — the effect and its magnitude.
Bioavailability
The fraction of a dose that reaches circulation intact. Injection is usually far higher than oral, since the gut and liver degrade most peptides.
Agonist / antagonist
An agonist activates a receptor; an antagonist blocks it.
Analogue
A compound deliberately modified from a natural one, usually to resist breakdown or extend duration.
Peer-reviewed
Assessed by independent researchers before publication. It raises the floor on quality; it is not a guarantee of correctness.
PMID
The unique ID of a citation in PubMed. Every monograph in this library carries real PMIDs so any claim can be traced to its source.
RCT
Randomised controlled trial — participants assigned by chance to treatment or control. The strongest common design for showing an effect is causal.
In vitro / in vivo
In vitro is in cells or a dish; in vivo is in a living organism. In-vitro results frequently fail to reproduce in people.
Preclinical
Before human testing — cells and animals. Most research peptides never progress past this stage.
Off-label
Use of an approved drug for a purpose, dose or group its approval does not cover. Legal for a clinician to prescribe; not the same as tested for that use.
Compounded
Prepared for an individual by a compounding pharmacy. Compounded preparations are not FDA-approved products and are not reviewed for safety or efficacy the same way.
Research use only
Sold on the stated basis that it is not for human consumption. It signals an absence of regulatory review, not a verdict on safety.
Reference range
The interval covering roughly 95% of a reference population for that lab and method. Ranges differ between laboratories, so a result should be read against the range printed on that report.
Biomarker
Something measurable that stands in for a biological state.
Fasting
No calories for a defined period before the draw, commonly 8–12 hours. Glucose, insulin and triglycerides all shift substantially if you do not fast.
HbA1c
Glycated haemoglobin — an index of average blood glucose over roughly the preceding 2–3 months.
ApoB
Apolipoprotein B, one per atherogenic particle, so it counts particles rather than the cholesterol they carry.
eGFR
Estimated glomerular filtration rate, a calculated index of kidney filtration.
hs-CRP
High-sensitivity C-reactive protein, a general marker of inflammation. It rises with infection and injury too, so a single high value is rarely interpretable alone.
Protocol
Your list of compounds with dose, route, timing and frequency — what the dashboard schedules each day.
Reference item
Something recorded but not scheduled, such as a daily vitamin. It appears in your list without generating doses to log.
Evidence tier
The badge on each monograph — FDA-approved, Investigational, Research, and so on. It describes regulatory and research status only. It is not a ranking of how well something works, and never a recommendation.
CoA
Certificate of analysis — a lab report on a specific batch, typically purity and endotoxin. It describes the batch tested, which is only as good as the chain of custody behind it.
Is this medical advice?
No. MyProtocol is a record-keeping and organisation tool. It tracks what you have decided, with your clinician, to do — it does not decide anything for you, and nothing here should be read as a recommendation to start, stop or change a dose.
Where do the peptide monographs come from?
Each is written from primary literature and carries real PubMed IDs you can open and check. Where the evidence is only in cells or animals, the monograph says so rather than implying human results. Where a compound has no published human data at all, that is stated too.
Why does a compound show no half-life?
Because no published human pharmacokinetic study reports one. Many research peptides have never been through formal PK work in people. Figures circulating online for these often trace back to vendor pages rather than to any study, and sometimes disagree with each other by a factor of ten — so the honest entry is that it is not established.
Why is a number missing rather than estimated?
A blank is recoverable; a wrong number is not. Anywhere this app cannot compute something from your data — an unpriced compound, a dose not expressed in mg — it says so and leaves it out of the totals rather than guessing and quietly skewing them.
Is my data private?
Each account sees only its own protocol, inventory, labs and health data. Nothing is shared between users, and an admin viewing as someone else cannot overwrite that person's preferences.
What does the evidence tier badge mean?
Regulatory and research status only — whether something is approved, investigational, prescription-compounded, or sold for research. A higher tier means more scrutiny has happened, not that a compound is better or safer for you.
Definitions are general explanations of terminology, not guidance about your own results or protocol.
Bring questions about either to your clinician.
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