What is the best Viagra for men?

9 min read

Written by: 

Sonia Rebecca Menezes

Reviewed by: 

Tzvi Doron, DO, DABOM, DABFM

Updated:  Jul 11, 2025

Trusted source badgeTzvi Doron, DO - Contributor Avatar

Reviewed By

Tzvi Doron, DO, DABOM, DABFM

Tzvi Doron, DO, is a diplomate of the American Board of Obesity Medicine and board-certified in Family Medicine.

View bio

Key takeaways

  • Viagra (sildenafil) comes in three dose strengths: 25 mg, 50 mg, and 100 mg. Most people start with 50 mg, but this will vary by person.

  • Generic sildenafil is just as effective as brand-name Viagra. It contains the same active ingredient and offers a more affordable option for most people.

  • Ro offers multiple alternative ED treatments, including Daily Rise Gummies for consistent, daily support and Ro Sparks for fast-acting, long-lasting results.*

  • Other medications may work better for some people. If Viagra isn’t the right fit, alternatives like Stendra, vardenafil, or Cialis might be more effective based on your needs and preferences.

Here's what we'll cover

Here's what we'll cover

Key takeaways

  • Viagra (sildenafil) comes in three dose strengths: 25 mg, 50 mg, and 100 mg. Most people start with 50 mg, but this will vary by person.

  • Generic sildenafil is just as effective as brand-name Viagra. It contains the same active ingredient and offers a more affordable option for most people.

  • Ro offers multiple alternative ED treatments, including Daily Rise Gummies for consistent, daily support and Ro Sparks for fast-acting, long-lasting results.*

  • Other medications may work better for some people. If Viagra isn’t the right fit, alternatives like Stendra, vardenafil, or Cialis might be more effective based on your needs and preferences.

If you’re hunting for ‘the best Viagra for men, ’ the reality is there is only one Viagra. Brand name Viagra is made from sildenafil and typically comes in three doses: 25 mg, 50 mg, and 100 mg. The best Viagra dosage for you will depend on your overall health, needs, and how your body reacts to the medication. 

Compounded options like Ro Sparks combine active ingredients to provide fast onset and long effects. Whether you’re new to erectile dysfunction (ED) treatment or thinking about switching things up, this guide will help you understand what’s out there and how to find the solution that works best for you.

What is the best Viagra option for men?

The “best Viagra” option for men will differ for everyone. Viagra (sildenafil) comes in three standard doses: 25 mg, 50 mg, and 100 mg. All of them contain the same active ingredient, but in different strengths. Most people start with the 50 mg dose, but your healthcare provider may recommend a lower or higher dose depending on your needs.

Here are a few things that can affect which Viagra strength is right for you:

  • How severe your ED is: If you’re dealing with mild or occasional ED, you might respond well to a 25 mg or 50 mg dose. If your ED is more persistent or you’ve tried lower doses without success, a 100 mg dose may be more effective.

  • Your age and overall health: Older adults and people with certain health conditions, like kidney or liver problems, or low blood pressure, may be started on a lower dose, like 25 mg, to reduce the risk of side effects. Your healthcare provider can help figure out what’s safest for you.

  • Whether you’re experiencing side effects: Side effects like headaches, flushing, or vision changes tend to be more common with higher doses. If you're feeling any of those, your healthcare provider may adjust your dose to help you find the lowest amount that still works well.

Viagra typically starts working in 30–60 minutes and lasts for about four hours. It won’t cause an automatic erection as you still need to be sexually aroused, but it can make it easier to get and keep one during that time.

Your sex life is unique - make your ED treatment match.

Types of Viagra

Again, it’s not exactly fair to say there’s more than one type of Viagra. The main types of sildenafil, the active ingredient in Viagra, are brand-name Viagra, generic sildenafil, and compounded versions. Brand-name Viagra is the original prescription drug made by Pfizer—the “little blue pill.” 

Generic sildenafil offers the same benefits at a lower cost. Compounded products like Ro Sparks combine sildenafil with tadalafil for fast, long effects. Though Sparks is not FDA-approved, it is composed of active ingredients that have been FDA-approved for ED.

1. Brand-name Viagra

This is the original Viagra, made by Pfizer. It's the well-known little blue pill most people picture when they hear the name. It’s US Food and Drug Administration (FDA)-approved to treat ED and has decades of clinical research to back up its effectiveness.

  • Why someone might choose it: Some people prefer the brand-name version for its consistency and long track record. It’s a familiar, trusted option.

  • What to know: The brand-name Viagra tablet for men is the most expensive option, and can cost around $90 per dose without insurance. If you're not concerned about cost and want the original formulation, this might be the pick for you.

2. Generic sildenafil

The best Viagra tablets for male users aren’t always the most expensive. Generic sildenafil often works just as well at a lower price and contains the same active ingredient—sildenafil citrate.

  • Why someone might choose it: It’s much more affordable than the brand name and widely available. It’s also FDA-approved and prescribed just like brand-name Viagra.

  • What to know: The shape and color may vary depending on the manufacturer, but it’s chemically equivalent to brand-name Viagra.

3. Ro Sparks

Sparks is Ro’s custom-compounded ED treatment that combines sildenafil (55 mg) and tadalafil (22 mg) into a fast-acting dissolvable tablet. You place it under your tongue, and it can start working in as little as 15 minutes.

  • Why someone might choose it: It’s designed for quick onset and longer-lasting effects, potentially up to 36 hours, without having to take two separate medications.

  • What to know: Sparks isn’t FDA-approved as a standalone drug, but it contains FDA-approved ingredients. It’s prescribed by licensed healthcare providers through Ro based on your needs and medical history.

Viagra options for men: compared

Viagra pills for men are designed to help you get and keep an erection when you're sexually aroused. All Viagra options work by helping increase blood flow to the penis during sexual arousal, but how fast they work, how long they last, and how they fit into your routine can differ.

Here's a quick look at the most common choices:

Option

What it is

Onset time

How long it lasts

Benefits

Viagra

brand-name by Pfizer

about 30–60 minutes

about 4 hours

trusted original, consistent quality

sildenafil

generic version of Viagra

about 30–60 minutes

about 4 hours

same effect, lower cost

Ro Sparks*

fast-acting tablet with sildenafil + tadalafil

about 15 minutes

up to 36 hours

quick onset, longer duration

* Though this particular formulation is not FDA-approved, it is composed of active ingredients that have been FDA-approved for ED.

How long each medication lasts in your body may depend on your age, kidney or liver function, and if you’re taking certain other medications. In these situations, your healthcare provider may recommend a different dosage of Viagra to adjust for differences in how your body processes the medication.

If you're unsure which one fits best, a healthcare provider can help you weigh the pros and cons based on your health, lifestyle, and preferences.

What is Viagra?

Viagra is a prescription medication that helps treat ED by improving blood flow to the penis. It contains the active ingredient sildenafil citrate, which belongs to a class of medications called PDE5 inhibitors. These drugs work by relaxing the muscles in blood vessel walls, which can help increase blood flow during sexual arousal.

Originally developed to treat chest pain, Viagra was approved by the FDA in 1998 as the first oral treatment for ED. It typically starts working within 30 to 60 minutes and lasts for about four hours. However, it doesn't automatically cause an erection. Sexual stimulation is still required for it to work.

Is Viagra safe for men?

Viagra is generally safe for most people when taken as prescribed by a licensed healthcare provider. Clinical studies involving thousands of men have shown that Viagra is well-tolerated and effective for improving erectile function. For most, side effects are mild and temporary.

However, Viagra isn’t safe for everyone. You shouldn’t take it if you use nitrate medications for chest pain or certain recreational drugs known as "poppers," as the combination can cause a serious drop in blood pressure. Some HIV medications and blood pressure drugs may also require special dose adjustments or caution.

People with specific health conditions like severe heart problems, liver or kidney disease, or certain eye conditions may need to avoid Viagra or use it under close supervision. That’s why it’s important to discuss your full medical history, any concerns you might have, and all medications you're taking with your healthcare provider before starting Viagra, and only take it as prescribed.

What are Viagra’s side effects and drug interactions?

Like any medication, Viagra can cause side effects. Most are mild and temporary, but it’s still helpful to know what to expect.

Common side effects may include:

  • Headache

  • Facial flushing

  • Stuffy or runny nose

  • Upset stomach or indigestion

  • Back or muscle pain

  • Mild vision changes (such as seeing a blue tint or increased light sensitivity)

  • Dizziness or rash

These effects usually go away within a few hours. If they persist or become uncomfortable, your healthcare provider may suggest adjusting your dose.

Rare but serious side effects may include:

  • An erection lasting more than four hours (priapism)

  • Sudden vision loss in one or both eyes

  • Sudden hearing loss or ringing in the ears

  • Chest pain or fainting during sexual activity

If you experience any of these, get medical attention right away.

Drug interactions to watch for include:

  • Nitrates: Taking Viagra with nitrate medications, typically prescribed for chest pain, can cause a dangerous drop in blood pressure. This combination should always be avoided.

  • Alpha-blockers: These medications, often used to treat high blood pressure or prostate conditions, can amplify Viagra’s blood pressure-lowering effects. Your healthcare provider may start you on a lower dose to reduce the risk of dizziness or fainting.

  • CYP3A4 inhibitors: Certain drugs that affect the CYP3A4 enzyme can interfere with how your body processes Viagra, increasing the risk of side effects. These include antifungals like ketoconazole, some HIV medications, and antibiotics like erythromycin. If you’re taking one of these, your healthcare provider may limit your dosage or recommend spacing out doses more carefully. Grapefruit juice can have a similar effect on the CYP3A4 enzyme, so it may be best to avoid or limit it while taking Viagra.

  • Other medications and supplements: Even over-the-counter drugs or herbal supplements can interact with Viagra, so it’s important to share everything you take with your healthcare provider.

If you're wondering which Viagra is best for male users with specific health conditions or who take other medications, a healthcare provider can help tailor the safest and most effective option for you.

What other ED treatment options are available for men?

If you’re wondering about the strongest Viagra pill for male performance, 100 mg is the highest FDA-approved dose. But several other ED treatments are available if Viagra doesn’t work well for you, or if you’re looking for something with a different timeline, longer effects, or less planning.

Here’s a breakdown of alternative ED medications to consider:

Brand name

Active ingredient

Onset time

Duration of effects

Stendra

avanafil

15–30 minutes

up to 6 hours

N/A (formerly Levitra)

vardenafil

30–60 minutes

4–6 hours

Cialis

tadalafil

30–120 minutes (on demand) / continuous (daily)

up to 36 hours / continuous

Daily Rise Gummies*

low-dose tadalafil

continuous

continuous

* Though this particular formulation is not FDA-approved, it is composed of active ingredients that have been FDA-approved for ED.

Many of these options are available through Ro’s platform, so you can complete a medical consultation online and, if appropriate, receive a prescription delivered directly to your door in discreet packaging.

Stendra (avanafil)

Stendra is a fast-acting ED medication that can begin working within about 15 to 30 minutes and generally lasts up to six hours. While some people prefer it for its quicker onset and potentially fewer side effects than older ED drugs, it may not be the right choice for everyone. Like other medications in its class, Stendra can cause side effects such as headache, flushing, nasal congestion, and dizziness. It may also be less effective for certain individuals, and its shorter duration compared to some alternatives could be a drawback for those looking for longer-lasting results.

Vardenafil

Vardenafil is an ED medication that works similarly to Viagra, with effects typically lasting around four to six hours. It usually starts working within 30 to 60 minutes and is available in standard tablet and dissolvable forms. While it may be a suitable option for those seeking something between short-acting and daily treatments, it doesn’t work for everyone and may cause side effects such as headache, flushing, or indigestion. The need to plan ahead for dosing and its relatively short window of effectiveness may also be drawbacks for some users.

Cialis (tadalafil)

Cialis (tadalafil) is best known for its long-lasting effects. When taken as needed, it usually begins working in about 30–120 minutes and can stay active for up to 36 hours. There’s also a daily version (in lower doses), which keeps a consistent level of medication in your body so you don’t have to plan around sex. Because of its extended window, Cialis is often called the “weekend pill.”

Daily Rise Gummies (tadalafil)

If you prefer not to deal with pills at all, Daily Rise Gummies offer a low-dose daily option in a fruit-flavored chewable form. They contain the same active ingredient as Cialis and are designed to be taken once a day. This approach builds steady levels of medication in your system, giving you the flexibility to be spontaneous whenever the moment feels right—no need to time your dose.

Although this particular formulation is not FDA-approved, it is composed of active ingredients that have been FDA-approved for ED.

What if medications aren’t a good fit?

Not everyone is able to, or even wants to, take oral ED medications. If that’s the case for you, there are other ways to manage ED:

  • Vacuum erection devices (pumps) use suction to draw blood into the penis and can help maintain an erection when used with a constriction ring.

  • Cock rings can help trap blood in the penis after arousal, helping you stay firmer longer.

  • Topical creams, gels, or injections may also be prescribed to stimulate blood flow to cause an erection.

A healthcare provider can explain these alternatives and help you determine which is most appropriate for your body and lifestyle.

Daily Rise Gummies

Help treat BPH symptoms with daily tadalafil gummies

Bottom line: Best Viagra for men

Viagra tablets for men come in different doses and formulations, from traditional pills to fast-dissolving tablets like Ro Sparks. Choosing the best Viagra option depends on your body, your goals, and your preferences around timing, cost, and convenience.

Here’s what to remember:

  • Viagra and sildenafil work well for many people. They’re effective, reliable, and widely used, especially for planned sexual activity. Sildenafil offers the same Viagra benefits at a lower cost.

  • Generic sildenafil is a smart first step. It’s affordable, FDA-approved, and just as effective as brand-name Viagra for most people.

  • Ro Sparks can offer more flexibility. If you want fast onset and longer coverage in a single tablet, this combined sildenafil-tadalafil treatment may be a good fit.

  • Cialis or tadalafil may be better if you want spontaneity. These medications stay active in your body longer, giving you more flexibility and less pressure around timing.

Whichever option you're considering, it's important to consult with a licensed healthcare provider. They can guide you toward a treatment that aligns with your health needs, lifestyle, and personal preferences.

DISCLAIMER

If you have any medical questions or concerns, please talk to your healthcare provider. The articles on Health Guide are underpinned by peer-reviewed research and information drawn from medical societies and governmental agencies. However, they are not a substitute for professional medical advice, diagnosis, or treatment.

Viagra Important Safety Information: Read more about serious warnings and safety info.

Cialis Important Safety Information: Read more about serious warnings and safety info.