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Enclomiphene vs clomid: what is different?

Enclomiphene vs clomid: they are related medicines, but they are not the same. Compare ingredients, evidence, risks, and access for men.

Written by Vitals Vault Medical TeamMedically reviewed by Robert Lufkin, MD, Chief Medical Officer and Arti Chandra, MD, MPH, IFMCP, Board-certified in family and integrative medicine
Published September 29, 2026

Key facts

Price
Enclomiphene is $83/month (billed $249 every 90 days), charged only after a clinician approves it.
How it works
Answer a few health questions online. A licensed clinician reviews them. If approved, it ships to your door.
Who can get it
Adults 18 or older. A licensed clinician reviews your health history and decides whether treatment is appropriate for you. Availability depends on the state you live in.

Medically reviewed by Robert Lufkin, MD and Arti Chandra, MD, MPH, IFMCP

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Table of Contents

  1. 1What it is
  2. 2How it works
  3. 3Who it is for
  4. 4Who should not take it
  5. 5What to expect
  6. 6Side effects
  7. 7Cost and access
  8. 8How to get it

Table of Contents

  1. 1What it is
  2. 2How it works
  3. 3Who it is for
  4. 4Who should not take it
  5. 5What to expect
  6. 6Side effects
  7. 7Cost and access
  8. 8How to get it

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If you searched enclomiphene vs clomid, you are probably trying to compare two options used in men to support testosterone and fertility. They are closely related, but they are not interchangeable, and the evidence and regulatory status are different. This guide summarizes what is known from FDA labeling and published studies, and what is still uncertain. Vitals Vault also shows how access and monitoring typically work when a licensed clinician helps you choose between options.

  • Enclomiphene vs clomid are not the same: clomiphene is a mixture; enclomiphene is one component.
  • Clomid (clomiphene citrate) is FDA-approved for infertility in women, not for men.
  • Enclomiphene citrate is not FDA-approved; many prescriptions are compounded.
  • Both can raise LH and FSH, which may increase testosterone and support sperm production in some men.
  • Vision changes and blood clots are uncommon but serious risks to discuss promptly.

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What enclomiphene and clomid are

  • Clomid (clomiphene citrate)

    Clomid is the brand name for clomiphene citrate. Clomiphene citrate is FDA-approved to treat certain causes of infertility in women, and it is supplied as an oral tablet. In men, it is commonly used off-label to stimulate the body’s own testosterone production.

  • Enclomiphene citrate

    Enclomiphene citrate is related to clomiphene but is not the same product. It is not FDA-approved in the United States, and when prescribed it is often obtained as a compounded medication. Evidence in men comes mainly from clinical trials and smaller studies rather than an FDA-approved label.

  • Why they are compared

    Both are selective estrogen receptor modulators (SERMs), meaning they can block estrogen feedback signals in the brain. That can increase luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which may raise testosterone and support sperm production in some men. The key differences are formulation, approval status, and how consistently the product is manufactured.

  • Brand and generic clarity

    Clomid is the brand name. Vitals Vault offers generic clomiphene citrate, which has the same active ingredient as brand Clomid. This matters for cost and availability, but it does not change that use in men is off-label.

Drug class
Selective estrogen receptor modulator (SERM)
FDA approval status
Clomiphene citrate: FDA-approved for female infertility; enclomiphene citrate: not FDA-approved
Typical route
Oral

How they work in men

  • The brain signal they change

    Estrogen helps regulate the hypothalamus and pituitary, the brain centers that control testicular hormone production. SERMs can reduce estrogen’s feedback at these receptors, which may increase gonadotropins (LH and FSH). Higher LH can stimulate testosterone production in the testes.

  • Why fertility comes up

    Because LH and FSH are involved in sperm production, SERMs are often discussed when a person wants to support fertility while addressing symptoms of low testosterone. This is different from testosterone replacement therapy, which can suppress LH and FSH and may reduce sperm production.

  • What is uncertain

    Not everyone’s testosterone or symptoms improve, and lab changes do not always match how you feel. Enclomiphene’s long-term safety profile is less established because it lacks an FDA-approved label and broad post-marketing surveillance.

Off-label use in men

Using clomiphene citrate in men is off-label. Off-label prescribing can be appropriate when a clinician weighs risks, benefits, and monitoring for your situation.

Who may consider each option

  • Men with low testosterone symptoms

    Some men with symptoms of low testosterone and confirmed low levels on repeat morning testing may discuss a SERM approach with a clinician. This is often considered when preserving fertility is a priority. Your clinician may also evaluate sleep, weight, medications, and other contributors.

  • Men trying to preserve sperm production

    SERMs are sometimes used when maintaining or improving sperm parameters is a goal. A clinician may recommend semen analysis and reproductive evaluation, especially if pregnancy is the main objective. Do not assume a testosterone increase means fertility is improved.

  • People comparing access and oversight

    Generic clomiphene citrate is FDA-approved as a product (for women’s infertility), which means standardized manufacturing and labeling. Enclomiphene citrate is not FDA-approved, and compounded versions can vary by pharmacy, so quality controls and documentation matter.

  • People who need monitoring

    Both options typically require follow-up labs to assess testosterone response and safety. A clinician may also monitor estradiol, blood counts, and other markers depending on your history and symptoms.

Who should not take enclomiphene or clomiphene

  • Liver disease

    Clomiphene labeling lists liver disease as a contraindication. If you have current or past significant liver problems, a clinician should review whether a SERM is appropriate and what monitoring is needed.

  • Unexplained vision symptoms

    Clomiphene can cause visual disturbances, which may become prolonged in some cases. If you have new blurred vision, flashes, or other visual changes while on therapy, you need prompt clinical evaluation rather than waiting for a routine follow-up.

  • History of blood clots

    SERMs have been associated with thromboembolic events in reports, and clomiphene labeling includes warnings about serious events. If you have a history of deep vein thrombosis, pulmonary embolism, stroke, or strong clotting risk factors, discuss alternatives and risk mitigation with a clinician.

  • Pituitary or testicular conditions

    Low testosterone can be caused by pituitary tumors, genetic conditions, testicular injury, medications, or systemic illness. A clinician may need to rule out causes that require different treatment before considering a SERM approach.

  • Use in women and pregnancy

    Clomiphene is indicated for certain infertility situations in women, but it is not appropriate during pregnancy. This page focuses on use in men; if pregnancy is possible for you or a partner, discuss exposure risks and handling guidance with a clinician.

Get urgent care for red flags

Seek urgent evaluation for chest pain, shortness of breath, one-sided leg swelling, sudden severe headache, or sudden vision loss. These can be signs of a clot or other serious condition.

What to expect when comparing them

Practical comparison points to discuss with a clinician
TopicClomiphene citrate (generic of Clomid)Enclomiphene citrate
FDA statusFDA-approved drug for female infertility; use in men is off-label.Not FDA-approved; often prescribed as compounded.
What it containsMixture of isomers (enclomiphene and zuclomiphene).Single isomer (enclomiphene).
Evidence in menPublished studies and clinical experience; not an FDA-labeled male indication.Clinical trials in men exist, but no FDA approval; long-term data are more limited.
Monitoring focusTestosterone response, symptoms, and safety labs as clinically indicated.Same general monitoring goals; compounded products may add pharmacy-specific considerations.
Access and consistencyWidely available as an FDA-approved generic product.Availability depends on compounding access and state rules.
  • You may feel different than labs

    Some people see testosterone rise but do not notice symptom improvement, while others feel better with modest lab changes. A clinician will usually interpret labs alongside sleep, mood, libido, energy, and fertility goals. If symptoms persist, it may prompt a broader evaluation.

  • Fertility goals change the decision

    If pregnancy is a near-term goal, semen analysis and a fertility-focused plan often matter as much as testosterone numbers. SERMs are sometimes chosen to support gonadotropins, but they are not a guarantee of improved fertility. Your clinician may coordinate care with a reproductive specialist.

  • Compounded products need extra diligence

    If enclomiphene is compounded, it is prepared for an individual prescription and is not FDA-approved. Ask your clinician what pharmacy is used, what formulation is prescribed, and how they monitor response and side effects.

Side effects and safety warnings

  • Hot flashes

    Hot flashes are listed among common adverse reactions with clomiphene. If they occur, your clinician may review dose timing, other triggers, and whether the benefit is worth the discomfort. Report severe or persistent symptoms.

  • Headache and dizziness

    Headache and dizziness are reported with clomiphene. These symptoms can also have other causes, including sleep issues and blood pressure changes. If you have severe headache, fainting, or neurologic symptoms, seek prompt evaluation.

  • Mood changes

    Some people report irritability, mood swings, or anxiety-like symptoms on SERMs. If you have a history of depression or anxiety, tell your clinician before starting and report any worsening mood, agitation, or sleep disruption. Do not ignore new or severe mental health symptoms.

  • Nausea or stomach upset

    Gastrointestinal symptoms such as nausea can occur with clomiphene. Taking medication exactly as prescribed and reviewing other supplements or medications with your clinician can help identify triggers. Persistent vomiting or dehydration needs medical attention.

  • Vision changes

    Clomiphene labeling warns about visual symptoms such as blurred vision, spots, or flashes, and notes that visual disturbances may be prolonged in some cases. Stop driving and get prompt medical advice if vision changes occur. Vision symptoms are treated as a serious warning.

  • Blood clots and stroke

    Serious thromboembolic events have been reported with clomiphene, including deep vein thrombosis, pulmonary embolism, and stroke. Seek urgent care for chest pain, shortness of breath, sudden weakness, or one-sided leg swelling. Your clinician will weigh your personal clot risk before prescribing.

Important safety information

Clomiphene citrate has FDA labeling for female infertility, and use in men is off-label. Enclomiphene citrate is not FDA-approved and may be compounded. A clinician should review your history, risks (including vision symptoms and clot risk), and monitoring plan before treatment.

Cost and access

  • What drives cost

    Cost can vary based on whether you use an FDA-approved generic (clomiphene citrate) or a compounded medication (often the case for enclomiphene). Pharmacy sourcing, state rules, and whether visits and labs are bundled into a plan also affect total cost. Current prices for the clomiphene plan are shown on this page in the price block.

  • Insurance and coverage

    Coverage is inconsistent because clomiphene is FDA-approved for female infertility, not for male hypogonadism, and enclomiphene is not FDA-approved. Some people pay cash even when they have insurance, while others may have partial coverage depending on the plan and diagnosis coding. Your clinician or pharmacy can clarify what documentation is required.

  • Access differences

    Generic clomiphene citrate is widely available through standard pharmacies. Enclomiphene access depends on compounding availability and state-specific rules for prescribing and dispensing. If you travel or move, ask how continuity is handled.

  • Monitoring costs

    Follow-up labs are a common part of safe care, especially when adjusting therapy or evaluating side effects. A clinician may ask for recent lab results before prescribing, and may repeat labs to confirm response. Planning for monitoring helps avoid surprises.

How to get evaluated and start care

  1. 1

    Clarify your goal

    Tell the clinician whether your priority is symptoms, fertility, or both.

  2. 2

    Review history and medications

    A licensed clinician reviews your health history and decides whether treatment is appropriate for you.

  3. 3

    Get baseline labs if needed

    A clinician may ask for recent lab results before prescribing.

  4. 4

    Start a monitored plan

    Treatment plans include clinician consults and ongoing support, with follow-up based on your response.

Enclomiphene

Get Enclomiphene prescribed online

Weighing your options? See if enclomiphene is right for you. 3 quick questions.

  1. 1Answer a few health questions
  2. 2A licensed clinician reviews them
  3. 3If approved, it ships to your door

$20 to start, refunded if you don’t qualify.

Enclomiphene is $249 per 90-day supply, charged only after a clinician approves it.

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  • US-licensed clinicians
  • Ships from US pharmacies
  • HSA/FSA eligible

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Frequently Asked Questions

Is enclomiphene the same as clomid?

No. Clomid is the brand name for clomiphene citrate, which is a mixture of isomers, while enclomiphene is one isomer by itself. Clomiphene is an FDA-approved drug for female infertility, while enclomiphene is not FDA-approved and is often compounded.

Is enclomiphene FDA-approved?

Enclomiphene citrate is not FDA-approved in the United States. When prescribed, it is commonly obtained as a compounded medication, which is prepared for an individual prescription and is not FDA-approved.

Does clomid raise testosterone in men?

Clomiphene citrate can increase LH and FSH, which may raise testosterone production in the testes in some men. Use in men is off-label, so a clinician should confirm the cause of low testosterone and monitor labs and side effects.

What are the serious side effects to watch for with clomiphene?

Clomiphene labeling warns about visual disturbances, which can be prolonged in some cases, and serious thromboembolic events have been reported. Seek urgent evaluation for sudden vision changes, chest pain, shortness of breath, or one-sided leg swelling.

How much does enclomiphene vs clomid cost?

Cost depends on whether you use an FDA-approved generic product (clomiphene citrate) or a compounded medication (often enclomiphene), plus visit and lab needs. Current prices for the clomiphene plan are shown on this page in the price block, and a clinician can explain expected monitoring.

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