LL-37
A naturally occurring antimicrobial peptide researched for immune-related signaling; clinical evidence is early.
| Concentration | 2 mg (5 mL) |
| Vial total | 10 mg |
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About LL-37
The honest rundown
Straight information, no hype — so your conversation with a physician starts from the truth.
LL-37 is a naturally occurring antimicrobial peptide — part of the body's own innate-immune toolkit — researched for immune-related signaling. It's a genuinely interesting molecule, and a genuinely early one in terms of clinical evidence.
That early-stage status is the honest frame. A physician decides whether it's appropriate for you and helps keep expectations aligned with what's actually known.
How it works
What the science actually looks at
Innate immunity
It's a naturally occurring antimicrobial peptide involved in the body's innate immune defenses.
Immune signaling
Research examines its role in immune-related signaling beyond direct antimicrobial activity.
Early evidence
Clinical evidence is early — this is a research-forward area, not a settled therapy.
Who it's for
Who tends to look into this
- People interested in immune-related peptide research
- Those curious about innate-immune signaling
- Anyone who wants a physician's read on an early-stage compound
The approach
Possible duration & dosing
Duration
Used within a course your physician defines — this is an early-research area.
How it's given
A subcutaneous injection.
Your dose
Your physician sets the dose and schedule; expectations stay modest given the early evidence.
With every order
What's included
- A consultation with our physician-led team
- A doctor-reviewed medical history and a plan personalized to you
- Temperature-controlled shipping with tracking on every order
- Complete supplies — syringes, alcohol wipes, and clear instructions
- TCO Wellness supports you with messaging access and new orders
Realistic view
Possible expectations
The honest baseline
Clinical evidence is early, so this is exploratory — no one can promise a specific immune benefit.
If you and your physician proceed
Your provider frames what's reasonable for your situation, and any changes are individual.
Checking in
Your provider reviews how it's going and adjusts. Nothing here is guaranteed.
Keeping it right
Storage & handling
- Keep it cool and out of direct light — refrigerate unless your instructions say otherwise
- Follow the storage and handling directions that ship with your order
- If anything looks off — cloudy, discolored, or past date — check with your provider before using
- Dispose of any needles and syringes in a proper sharps container
Questions
Common questions
What is LL-37 used for?
It's researched for immune-related signaling. The evidence is early, so we frame it as an area of interest rather than a proven treatment.
How strong is the evidence?
Early. That's why a physician's evaluation and honest expectations matter here.
How is it taken?
A subcutaneous injection on a physician-set protocol. Supplies and instructions are included with every order.
Before you ask
Worth knowing
- Clinical evidence is early and still developing.
- A physician decides whether it's appropriate and what it can reasonably address.
- Share any relevant immune or inflammatory history with your provider.
- Available only after a doctor reviews your medical history.
How it's made
Quality & compliance
- Prescribed only by an independent licensed physician after reviewing your medical history
- Compounded and dispensed by a state-licensed 503A compounding pharmacy
- Prepared patient-specific — compounded medications are not FDA-approved products
- Backed by coaching and concierge support the whole way through
Educational information only — not medical advice, and not a claim of results. Whether any therapy is right for you, and at what dose, is determined solely by an independent licensed physician after reviewing your medical history.
How it works at TCO
No therapy is a product you simply buy
An independent licensed physician reviews your history and determines whether therapy is appropriate. Want to talk it through with the doctor directly? We'll set that up.If approved, your order is fulfilled by a state-licensed 503A compounding pharmacy with temperature-controlled shipping and every supply included — and you're coached throughout your journey.
Prescription products require an evaluation with a licensed medical professional, who will determine whether a prescription is appropriate. Compounded medications are prepared by a state-licensed 503A compounding pharmacy and are not FDA-approved; the FDA does not review compounded medications for safety or effectiveness.
TCO Wellness is a wellness and concierge-care company — we do not practice medicine. All prescriptions are issued by independent licensed physicians after review of your medical history, and medications are compounded and dispensed by a state-licensed 503A compounding pharmacy. Individual results vary.