Low-Dose Naltrexone (LDN)
Available in capsules, transdermal cream, oral solution, sublingual drops, and topical dermatological formulations


LDN is a competitive opioid receptor antagonist. At the standard dose, naltrexone blocks the effects of both the endogenous opioids, which are in endorphins and pharmaceutical opioids. LDN is a pure antagonist, which is vital to know as a lot of people think it is a controlled medicine, narcotic, or an opioid.
Information for Practitioners
Contact your Practitioner Relations Manager to start prescribing Naltrexone.
Information for Patients
Call us at 1-800-918-8831 if you have a prescription for Naltrexone that you would like us to fill for you.
Further Reading on Naltrexone
What You Need To Know About Low Dose Naltrexone by Weill Cornell Medicine
The Uses of Low-Dose Naltrexone in Clinical Practice, Potential benefits for a wide range of conditions by Timothy Schwaiger, ND
In Tiny Doses, An Addiction Medication Moonlights As Treatment For Chronic Pain by Kaiser Health News and NPR
Naltrexone (gluten, casein, soy-free) Capsules are available in the following strengths:
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0.25mg vegetable capsules
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0.5mg vegetable capsules
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1mg vegetable capsules
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1.5mg vegetable capsules
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2mg vegetable capsules
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2.5mg vegetable capsules
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3mg vegetable capsules
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3.5mg vegetable capsules
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4mg vegetable capsules
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4.5mg vegetable capsules
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5mg vegetable capsules
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6mg vegetable capsules
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7.5mg vegetable capsules
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9mg vegetable capsules
Prescription Required: This medication requires a prescription from your prescriber.
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