BLOOD FLOW

Sildenafil
This started as the "little blue pill" that started a revolution.
✓ Better bedroom performance, workouts, recovery, and focus—every day
✓ Taken daily, as-needed, or microdosed based on your goals.
✓ Be your strongest, sharpest self for about $2/day.
$289.99
1 month
$289.99
12-month plan
$2,279.88
billed annually
($189.99/mo)
billed annually
($189.99/mo)

Free priority shipping

FDA approved pharmacies

Board-certified doctors

Split your payment into manageable installments with Klarna.
Sildenafil subscription billed every 30 days. Plans starting at $49.99/mo (25mg 4 ct, 1-month plan). Auto-renews. Cancel anytime in your member account or by emailing support@maximustribe.com. See refund policy.

Important Safety Information

Hearing risk: Extremely rare reports of tinnitus in individuals taking PDE5 inhibitors. The FDA has not found a direct causal link between PDE5 inhibitors and hearing issues. The overall safety profile remains favorable.

Common side effects may include:

  • Headache, flushing, nasal congestion, dyspepsia, dizziness
  • Blue-tinted or color-altered visual disturbances (more common with Sildenafil than other PDE5 inhibitors due to cross-reactivity with PDE6 in the retina)
  • Transient blurred vision

Rare, but serious side effects may include:

  • NAION / sudden vision loss
  • Sudden hearing loss or tinnitus
  • Priapism (requires immediate medical attention)
  • Severe hypotension with nitrates or alpha-blockers (contraindicated)
  • Hypersensitivity reactions

Benefits for the bedroom, the boardroom, and the weight room.

PDE5 inhibitors support erections, stronger gym pumps, faster recovery, sharper focus, and healthy aging.

Claims are based on established pharmacology of the drug class.

THE SCIENCE

What is Sildenafil?

Free priority shipping

FDA approved pharmacies

Board-certified doctors

What is Sildenafil?

Sildenafil is potent prescription PDE5 inhibitor medication used to increase blood flow for stronger, longer-lasting intimacy and improved circulation to your muscles to support better workouts and recovery, plus better circulation to your brain for enhanced focus.

How do PDE5 inhibitors work?

PDE5 inhibitors are prescription medications that improve blood flow by blocking the enzyme phosphodiesterase type 5 (PDE5). They're commonly used to treat erectile dysfunction (ED), but also enhance overall circulation, supporting better sexual performance, workout endurance, and daily focus. By increasing nitric oxide signaling, PDE5 inhibitors like sildenafil, tadalafil, and vardenafil improve whole-body oxygenation, especially the muscles and the brain—leading to sharper focus, improved mood, and greater mental clarity. This makes PDE5 inhibitors powerful tools for optimizing your sexual, physical, and mental performance.

Are PDE5s right for me?

Anyone looking to enhance sexual or workout performance, improve daily stamina, and boost mental focus through better vascular function may benefit from PDE5 inhibitors. While the benefits of PDE5 inhibitors are not limited to those with pre-existing conditions, they’re especially effective for those with age-related vascular decline, or underlying conditions like hypertension or diabetes that impair circulation. PDE5 inhibitors are also ideal for men experiencing erectile dysfunction and reduced sexual performance. Always consult a medical provider to determine if PDE5 inhibitors are right for your health profile and goals.

It's easy to get started

01

Complete your evaluation

Answer a few health questions online. Takes about 5 minutes. No appointment needed, no waiting rooms.

02

Physician review

A board-certified physician reviews your information and determines if Sildenafil is right for you.

03

Treatment delivered

If prescribed, your mediaction ships directly to your door in discreet, unmarked packaging.

Results that speak louder than promises.

Collected by Maximus from verified customers. Results vary.

Boutique care. Powered by telehealth.

We conduct our own research

Unlike most telehealth companies, we actively study our protocols and publish real outcomes. Our clinical data backs everything we offer.

Your care team monitors progress

Ongoing support from board-certified physicians who adjust your protocol based on your results — not a prescription mill.

Founded by physicians

Built by clinical experts who understand both the science of optimization and the human experience of pursuing better health.

US-licensed pharmacies only

Your medication compounded by a licensed U.S. pharmacy under a physician's prescription. No overseas suppliers, no quality compromises, no uncertainty.

Not just telehealth. We're telehealthcare

✓ Unlimited access to your personal doctor and care team

✓ Board-certified doctors that treat you, not averages

✓ 100% online. No in-person visits or insurance required

✓ Hormone therapy from hormone experts

Blood Flow FAQs

Can I microdose Blood Flow medication?

Yes. Taking a daily blood flow microdose is an effective and potent way to enjoy the benefits of enhanced blood flow with less side effects. Microdosing also unlocks effects growing over time with daily use, giving those sensitive to treatment more flexibility and long term effects without significant side effects.

How is Sildenafil different from generic ED medications?

Inhibits PDE5 to improve blood flow. Moderate onset, moderate duration. Well-established safety and efficacy profile as the most prescribed PDE5 inhibitor globally.

What are the benefits of daily use?

Be ready whenever the moment arises—no planning, no pressure. With daily use, the benefits build naturally over time, enhancing your intimacy, boosting workout performance, and sharpening mental clarity so you can feel confident and in control every day.

What are the common side effects of Sildenafil medication?

Common:

Headache; Flushing; Nasal congestion; Dyspepsia; Dizziness; Back pain; Mild visual disturbances; Generally well-tolerated with a profile similar to other PDE5 inhibitors.

Serious (rare):

NAION / sudden vision loss; Sudden hearing loss or tinnitus; Priapism (requires immediate medical attention); Severe hypotension with nitrates or alpha-blockers (contraindicated); QT prolongation (avoid in patients with cardiac arrhythmias or on QT-prolonging medications; this is a Vardenafil-specific risk vs. Tadalafil and Sildenafil and warrants cardiac history screening); Hypersensitivity reactions; Hearing risk: Extremely rare reports of tinnitus in individuals taking PDE5 inhibitors. The FDA has not found a direct causal link between PDE5 inhibitors and hearing issues. The overall safety profile remains favorable.

What states is Blood Flow Protocol available in?

Vardenafil, Tadalafil, and Sildenafil are available in all US States and DC.

Can I use my HSA or FSA card to pay for Blood Flow Protocol?

HSA / FSA eligibility under IRS rules requires the product to be prescribed for a diagnosed medical condition (e.g., erectile dysfunction). Clients without an ED diagnosis cannot use HSA / FSA funds for Sildenafil purchase. Check with your plan administrator and prescribing physician.

Is there potential for hearing issues with PDE5 inhibitors?

While extremely rare, there have been a few reports of hearing issues, such as tinnitus, in individuals taking PDE5 inhibitors. However, it's important to note that the FDA has not found a direct causal link between the use of PDE5 inhibitors and these hearing issues. These instances are very rare, and the overall risk is considered to be very low. If you experience any hearing changes while taking this medication, consult your provider immediately.

Best Blood Flow.

Better you.

Doctor-prescribed Blood Flow protocols, shipped to your door.

✓ Get personalized dosing that fits your blood flow goals
✓ Boost intimacy, workouts & focus — about $2/day

Best Blood Flow.
Better you.

Doctor-prescribed Blood Flow protocols, shipped to your door.

✓ Get personalized dosing that fits your blood flow goals
✓ Boost intimacy, workouts & focus — about $2/day
Subscription Products: Refund and Cancellation Policy

Many products available for purchase through the Service require that you purchase the product on a subscription basis. For subscription-based products, your payment method will be automatically charged at regular intervals as described for that product during the checkout process. You may cancel a subscription at any time before the applicable periodic processing date of your subscription by utilizing the Maximus application or emailing support@maximustribe.com. Subscriptions will auto-renew under the same plan terms initially selected.
Maximus does not provide refunds for medicines that have been shipped. Price or subscription period changes will be communicated to the email address on the account at least seven (7) days in advance of their implementation. Some protocols may require additional lab testing to maintain continuity of care and support proper client outcomes. These lab testing services or materials may require additional payments, which will be communicated on the website and via email to the address on file for the account holder.
Aside from any separately communicated lab testing fees, you will generally see and be required to pay a single 'total' subscription price. Unless otherwise specified, if a subscription product you purchase requires a consultation with a Provider and/or includes a prescription product that you fill through one of the Pharmacies, then the total price you pay may include the amount charged by the Pharmacy for the prescription drug and the amount charged by the Medical Group for the services of the Provider, as well as the amount we charge for use of and access to the Platform. We collect the amounts charged by the Pharmacies and the Medical Groups on behalf of the Pharmacies and Medical Groups and pass the applicable amounts through to them. For additional details about refunds and cancellations, read our full Subscription Refund and Cancellation Policy.