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Deplin 15 Capsule — prescription drug image

Deplin 15

Deplin 15 15-90.314MG

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What is Deplin 15?

Deplin 15 is a prescription medical food containing L-methylfolate, the bioactive form of folate, used to manage folate deficiency. It is specifically designed to aid in the dietary management of depression and schizophrenia by enhancing the synthesis of neurotransmitters such as serotonin and dopamine. This formulation is usually administered alongside other medications as part of a comprehensive treatment plan.

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What is Deplin 15 ?

Deplin 15 is a prescription medical food containing L-methylfolate, the bioactive form of folate, used to manage folate deficiency. It is specifically designed to aid in the dietary management of depression and schizophrenia by enhancing the synthesis of neurotransmitters such as serotonin and dopamine. This formulation is usually administered alongside other medications as part of a comprehensive treatment plan.
  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Make sure your doctor knows if you are pregnant or breast feeding. Tell your doctor if you have liver disease or kidney disease.
What is Deplin 15 used for?
Deplin 15 is a prescription medical food used for the clinical dietary management of people with depression or schizophrenia who have suboptimal folate levels. It is taken under a physician's supervision along with an antidepressant or antipsychotic, not instead of one. Because it is a medical food rather than an FDA-approved drug, it has no FDA-approved indications; its role is nutritional management, supplying L-methylfolate, the active form of folate that crosses the blood-brain barrier and supports the production of serotonin, norepinephrine, and dopamine. The labeled usual adult dose is one Deplin 15 capsule daily, with or without food, and the product is labeled for adults and children 12 years of age and older.
Does Deplin 15 contain milk or soy?
Yes. Deplin 15 capsules carry a "Contains Milk and Soy" allergen statement. The Algae-S powder blend in the capsule includes sodium caseinate, a milk protein, and soy protein, along with soy lecithin. Deplin is contraindicated in anyone with known hypersensitivity to any component of the product, and allergic reactions are the adverse effect reported with oral L-methylfolate. If you have a milk or soy allergy, tell your prescriber and pharmacist. Deplin FC, the "free & clear" formulation from the same manufacturer, is made without the algal powder blend and is formulated to be free of major allergens including milk and soy; it comes in 7.5 mg and 15 mg capsules.
Is Deplin 15 an antidepressant?
No. Deplin 15 is not an antidepressant and not an antipsychotic. It is a prescription medical food that supplies L-methylfolate, an active form of vitamin B9. It is intended to be used alongside the medication your prescriber has already put you on, and it does not replace that medication. Do not stop or change an antidepressant or antipsychotic without talking to your clinician.
What is the difference between Deplin 15, Deplin 7.5, and Deplin FC?
Deplin 15 and Deplin 7.5 are the same active ingredient at different strengths, 15 mg and 7.5 mg of L-methylfolate per capsule, both with the Algae-S powder blend that makes them contain milk and soy. The labeled adult dose is one Deplin 15 capsule, or one to two Deplin 7.5 capsules, daily. Deplin FC is the "free & clear" version from the same manufacturer, also in 7.5 mg and 15 mg capsules: it is L-methylfolate calcium without the algal powder blend, formulated without major allergens such as milk and soy and without dyes or titanium dioxide. Which one is right for you is a decision for your prescriber.
Is there a generic version of Deplin 15?
Other L-methylfolate 15 mg products are available. Because Deplin is a medical food rather than an FDA-approved drug, these are not Orange Book generics and a pharmacist generally cannot swap them in automatically, so ask your prescriber whether an L-methylfolate 15 mg product is right for you and to write it that way. Ingredients and allergen content differ between products, so check the label if you have a milk or soy allergy. Enter your ZIP code above to compare prices at pharmacies near you, since they vary by pharmacy.
Does insurance cover Deplin 15?
Often it does not. Deplin is regulated as a medical food, and many prescription drug plans exclude medical foods entirely or place them on a high tier, which is why patients are frequently quoted a full cash price. You have two other routes. The manufacturer, Alfasigma, offers Deplin through a direct-purchase pharmacy program, Brand Direct Health, that fills a 90-day supply and ships it to you, and the manufacturer describes it as available regardless of your insurance status, so it is not closed to you if you are uninsured or on Medicare or Medicaid; its terms are posted on the official Deplin site and can change. A free Rx.com cash coupon is the other route: it is a cash discount you use at a retail pharmacy, which is useful if you would rather fill locally. Compare what your plan, the manufacturer's program, and the coupon each charge, and pay the lowest. Asking your prescriber about other L-methylfolate products is worth doing too.
Is L-methylfolate the same as folic acid?
No, and they are not interchangeable. Folic acid is the inactive form of vitamin B9 that the body must convert before it can be used, while L-methylfolate is already in the active form and crosses the blood-brain barrier. Some people convert folic acid less efficiently, which is one reason a clinician may prescribe the active form. Do not swap one for the other on your own; ask your prescriber.
How much does Deplin 15 cost without insurance?
The price of Deplin 15 without insurance varies by pharmacy, dosage, and quantity. Rx.com compares cash prices at more than 60,000 US pharmacies so you can find the lowest price near you. Many people save up to 25% off retail prices with a free Rx.com coupon.
What are the common side effects of Deplin 15?
Common side effects of Deplin 15 may include: Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing. This is not a complete list — consult your pharmacist or doctor for full side effect information.
Is there a generic version of Deplin 15?
Generic versions may be available for Deplin 15. Generics contain the same active ingredients as brand-name drugs and are typically 80–90% cheaper. Search Deplin 15 on Rx.com to compare generic and brand prices at pharmacies near you.
What is the cheapest pharmacy for Deplin 15?
The cheapest pharmacy for Deplin 15 depends on your location and dosage. Rx.com compares prices at CVS, Walgreens, Walmart, Kroger, Costco, and thousands of independent pharmacies. Enter your ZIP code on Rx.com to find the lowest price for Deplin 15 near you.

Deplin 15 Coupons & Prices

Deplin 15 15-90.314MG

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Deplin 15 Capsule — prescription drug image
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Use a free Rx.com Deplin 15 coupon to lower the cash price of this prescription medical food at pharmacies near you. Deplin 15 (L-methylfolate, as levomefolate calcium 15 mg, with Algae-S powder) is a capsule dispensed by prescription for the clinical dietary management of people with depression or schizophrenia who have suboptimal folate levels, used under a doctor's supervision alongside their antidepressant or antipsychotic. Because Deplin is regulated as a medical food rather than an FDA-approved drug, it is frequently excluded from prescription drug benefits, so many people are quoted a cash price at the counter. Enter your ZIP code above to see today's price at pharmacies in your area, and compare it with L-methylfolate 15 mg equivalents.

What is Deplin 15 and how does it work?

Deplin 15 is a prescription medical food from Alfasigma USA. It is not an antidepressant, not an antipsychotic, and not an FDA-approved drug, so it has no FDA-approved indications and no FDA drug label. It is intended for the clinical dietary management of patients with depression or schizophrenia who have suboptimal folate levels, and it is meant to be used under a physician's supervision in addition to the medication a person is already taking, never as a replacement for it.

Each Deplin 15 capsule supplies 15 mg of L-methylfolate (levomefolate calcium, the Metafolin form) plus Algae-S powder from Schizochytrium. L-methylfolate is the already-active form of folate, vitamin B9, and it is the form that crosses the blood-brain barrier. In the brain, folate supports the production of the neurotransmitters serotonin, norepinephrine, and dopamine. Some people, including those with certain MTHFR gene variants, convert ordinary folic acid to the active form less efficiently, which is why a clinician may choose the pre-activated form.

Deplin 15 comes as a capsule; there is no tablet form of the current product. The labeled usual adult dose is one Deplin 15 capsule, or one to two Deplin 7.5 capsules, taken daily with or without food, or as directed under medical supervision. The product is labeled for adults and children 12 years of age and older. Your prescriber decides whether Deplin is appropriate for you and at what strength.

Deplin 15 cost: manufacturer program vs. an Rx.com cash coupon

Deplin is a medical food, and medical foods are frequently excluded from prescription drug benefits. Plans that do cover it often place it on a high tier or require paperwork, so a lot of patients are quoted a full cash price at the counter.

Alfasigma, the manufacturer, does not run a traditional copay card. Instead, it makes Deplin available through a direct-purchase pharmacy program, Brand Direct Health, which fills the prescription in a 90-day supply and ships it to you. The manufacturer describes this route as open regardless of your insurance status, so being uninsured or on Medicare, Medicaid, or another government plan does not by itself shut you out of it. Your prescriber sends the prescription to that pharmacy rather than to your local one. Terms, eligibility, and the current price are set by the manufacturer and its pharmacy partner and can change, so check the conditions on the manufacturer's own Deplin site before you commit.

An Rx.com coupon is a different route. It is a cash-price discount you take to a retail pharmacy, not insurance, so it can be used if you are uninsured, if you are on Medicare or Medicaid and paying cash, or if you would rather pick the prescription up locally than wait on a mail shipment. You cannot combine a cash coupon with your insurance on the same fill. The practical move is to compare all three, what your plan charges, what the manufacturer's direct program charges, and what the cash coupon price is at pharmacies near you, and pay whichever is lowest. Prices for the same prescription can vary from one pharmacy to the next, so it is worth checking more than one. Enter your ZIP code above to compare today's price at nearby pharmacies.

L-methylfolate alternatives and other Deplin products

Ask your prescriber and pharmacist about other L-methylfolate 15 mg products. Because Deplin is a medical food rather than an approved drug, these equivalents are not Orange Book generics and are not automatically substitutable the way a true generic drug is, so the pharmacy usually needs the prescriber to authorize the change. Prices for both the brand and the alternatives vary by pharmacy, so compare them on Rx.com before you fill.

  • Deplin 7.5 is the same active ingredient at half the strength. The label allows one to two Deplin 7.5 capsules daily, so a clinician may start there or step down to it.
  • Deplin FC is the "free & clear" formulation from the same manufacturer, available in 7.5 mg and 15 mg capsules. It is L-methylfolate calcium without the Algae-S powder blend, and it is formulated to be free of major allergens, including milk and soy, as well as dyes and titanium dioxide. If you are allergic or sensitive to milk or soy, Deplin FC is the version to ask your prescriber about, because Deplin 15 contains both.
  • Cerefolin Brain Wellness, formerly sold as CerefolinNAC, is a different prescription medical food from the same manufacturer. It combines L-methylfolate with other ingredients and is intended for a different purpose, so it is not a substitute for Deplin 15.
  • Folic acid is the non-activated form of vitamin B9. It is not interchangeable with L-methylfolate, and switching to it on your own is not a substitute for what your prescriber ordered.

Which of these is right for you is a decision for your clinician, not a price question alone.

Deplin 15 safety: what to know

Deplin does not carry an FDA boxed warning, because medical foods are not FDA-approved drugs and do not carry boxed warnings. That is not the same as saying there is nothing to watch for. The most important points to raise with your clinician:

  • Deplin 15 contains milk and soy. The Algae-S powder blend in the capsule includes sodium caseinate (a milk protein) and soy protein, and the product carries a "Contains Milk and Soy" allergen statement. Deplin is contraindicated in anyone with known hypersensitivity to any component of the product. If you have a milk or soy allergy, tell your prescriber and pharmacist before you fill it, and ask about Deplin FC, the free-and-clear formulation made without the algal powder blend and without milk or soy.
  • Allergic reactions are the adverse effect reported with oral L-methylfolate. Get medical help right away if you develop hives, swelling of the face, lips, tongue, or throat, or trouble breathing after a dose.
  • It is not a folic acid substitute. L-methylfolate and folic acid are not interchangeable.
  • Vitamin B12 matters. Folate can correct the anemia caused by a B12 deficiency while nerve damage from that deficiency quietly continues. If you are at risk for low B12, ask to be checked before and during treatment.
  • It does not replace your antidepressant or antipsychotic. It is meant to be used alongside them, under supervision. Do not stop a prescribed medication on your own.
  • Interactions. Folate can interact with anticonvulsants such as phenytoin, phenobarbital, carbamazepine, and primidone, and with methotrexate, pyrimethamine, capecitabine or 5-FU, and sulfasalazine. Give your pharmacist your full medication list.

Deplin is labeled for use in adults and children 12 years of age and older, under medical supervision. If you are pregnant or nursing, discuss it with your clinician first. Keep it out of the reach of children. This page is general information and is not medical advice; talk with your doctor or pharmacist about your own situation.

Sources & accuracy

This Deplin 15 information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.

Verify the official label: Deplin 15 on DailyMed (FDA)

Reviewed against FDA labeling · Last reviewed July 2026

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