DirectMax and Quad by MEDVi are both clinician-prescribed online options built around sildenafil, tadalafil, and apomorphine. The practical difference is that DirectMax is marketed as a three-ingredient rapid-dissolve tablet, while Quad adds L-citrulline in a liquid taken under the tongue. Your choice comes down to the listed formula, pricing structure, preferred format, and the medication review that comes before a prescription.
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| What matters | DirectMax | Quad by MEDVi |
|---|---|---|
| What it is | Direct Meds markets a prescription-only, doctor-reviewed three-ingredient option. | MEDVi markets a clinician-prescribed four-ingredient option. |
| Ingredients named by seller | Apomorphine, sildenafil, tadalafil | Apomorphine, L-citrulline, tadalafil, sildenafil |
| Format | Rapid-dissolve tablet placed under the tongue | Rapid-absorb liquid placed under the tongue |
| Listed timing and duration | Direct Meds says some men may feel effects in 15 minutes or less and describes a 24–36-hour window. | MEDVi says its liquid works in 10 minutes and describes tadalafil as lasting up to 36 hours. |
| Listed price | Standard pricing starts at $8.78 per dose; packs contain six doses. | MEDVi lists plans starting at $114 per month. |
| Cancellation statement | Direct Meds says membership plans can be canceled anytime through its Patient Portal. | MEDVi says customers can cancel anytime. |
| Seller-reported customer figure | Direct Meds says it is trusted by more than 175,000 customers. | MEDVi displays a 4.5-out-of-5 Trustpilot rating and says it has testimonials from 50,000-plus men. |
What is the real difference between DirectMax and MEDVi Quad?
DirectMax is the simpler of the two listed stacks: apomorphine, sildenafil, and tadalafil. Direct Meds frames apomorphine around arousal, sildenafil around faster response, and tadalafil around a longer response window. It says its tablet dissolves under the tongue and is prescribed after an online medical review.
Quad by MEDVi names those same three ingredients and adds L-citrulline. MEDVi describes Quad as a liquid under the tongue, with an online evaluation followed by clinician review if you qualify. Its page says the consultation, rush shipping, and medical support are included in the listed plan.
Neither seller page gives milligram amounts for the active ingredients. That makes the clinician conversation important: ask which strength and exact formulation you are being considered for before deciding. For a fuller product-specific rundown, see this DirectMax review or these Quad by MEDVi reviews.
How do the ingredients fit together?
Sildenafil and tadalafil belong to the PDE5-inhibitor class. Harvard Health explains that these medicines improve blood supply to the penis and work with sexual stimulation; they are not an automatic switch for an erection. Harvard lists sildenafil at roughly 30–60 minutes with a 4–5-hour duration and tadalafil at roughly 30–45 minutes with a 24–36-hour duration for the standard formulations discussed there.
That background helps explain the marketing language around speed and duration, but it does not turn an ingredient timeline into a intended to support for either finished combination. People respond differently, and the exact prescribed dose matters. This is also a useful example of checking whether a study fits the product: research on an ingredient is not automatically research on a particular multi-ingredient formulation.
MEDVi’s added L-citrulline is the clearest formula distinction. Its page describes the ingredient as part of nitric-oxide support. If you want the shorter named-ingredient list, DirectMax is the three-ingredient option. If the four-ingredient liquid format is the draw, Quad is the option built that way.
Do DirectMax or Quad work?
Both sellers say their products are designed to support erectile response, arousal, and a wider window for intimacy. Direct Meds describes DirectMax as a triple-action formula; MEDVi describes Quad as a four-in-one formula. Whether either fits you is decided through the medical review, your health history, current medicines, and the exact prescription offered.
The research context is stronger for the established drug ingredients than for a head-to-head claim between these two products. Harvard Health says ED medicines can produce an erection sufficient to start intercourse in about 70% of otherwise healthy men, while also noting that results vary substantially by person and health status. Its overview also says PDE5 medicines need sexual stimulation to work.
If the issue is happening repeatedly, do not write it off as a lack of attraction or effort. The National Institute of Diabetes and Digestive and Kidney Diseases describes ED as trouble getting an erection, keeping one long enough for sex, or being unable to get one. It can be connected with blood-vessel, nerve, hormone, medication, emotional, or lifestyle factors.
Which format and timing may suit you?
Both products are designed for under-the-tongue use rather than a swallowed tablet. Direct Meds says DirectMax is a rapid-dissolve tablet and recommends taking it about 30 minutes before intimacy, even though it says some men may feel effects sooner. MEDVi calls Quad a liquid and says it is placed under the tongue.
Direct Meds describes a 24–36-hour effect window, while MEDVi highlights up to 36 hours through tadalafil. Harvard’s medication guide gives useful context: duration depends on the medicine and formulation, and tadalafil is the established PDE5 ingredient associated with the longer 24–36-hour range. A longer window is not the same thing as a continuous erection.
For the question “does it need refrigeration?” neither seller’s captured product page gives storage instructions. Get storage directions with the prescription and follow the dispensing label.
What do DirectMax and Quad cost?
Prices shown as of September 2, 2026 for DirectMax and October 12, 2026 for Quad by MEDVi; check the checkout for today’s terms.
Direct Meds lists DirectMax standard pricing of $8.78 per low-strength dose, $9.28 per medium-strength dose, and $10.78 per high-strength dose. Because it says a standard pack has six doses, that works out to $52.68, $55.68, or $64.68 per six-dose pack at those listed standard rates. Its page also advertises promotional introductory pricing as low as $7.45 per dose.
MEDVi lists Quad starting at $114 per month and says the consultation and free rush shipping are included. It also advertises bundle savings. The two offers are not priced in the same unit, so the honest comparison is the stated DirectMax per-dose price against Quad’s stated monthly starting price.
What about side effects and medicine interactions?
Direct Meds lists headache, flushing, nasal congestion, mild indigestion, dizziness, back or muscle discomfort, nausea, temporary vision changes, and under-the-tongue irritation among possible effects. Harvard Health lists headache, flushing, upset stomach, nasal congestion, vision problems, diarrhea, dizziness, and rash as common ED-drug side effects. Direct Meds also tells users to seek emergency care for an erection lasting more than four hours, sudden vision or hearing loss, chest pain, or severe dizziness.
The biggest medication check is nitrates. Direct Meds says not to use its ED medicines with nitrates or guanylate cyclase stimulators because of a dangerous blood-pressure drop. Harvard Health’s ED guide likewise says PDE5 drugs are not safe with cardiac nitrates, and says alpha blockers can also lower blood pressure; a prescriber may adjust timing or dose. Ask the clinician before proceeding if you take heart, blood-pressure, urinary-symptom, or other prescription medicines, or if you have heart, kidney, liver, or eye conditions.
This applies to women as well: these are clinician-prescribed products marketed on the cited pages for men with erectile concerns, so the prescriber needs to decide whether any product is appropriate for the person seeking care.
How do refunds, shipping, and cancellation compare?
Direct Meds says DirectMax ships in one to two days and that members can cancel anytime through the Patient Portal. MEDVi says Quad includes free rush shipping, uses discreet packaging, and can be canceled anytime. MEDVi describes a three-minute online evaluation and says a U.S.-licensed doctor reviews the case within 24 hours; Direct Meds says its online questionnaire shows personalized pricing before checkout.
Before you place an order, save the checkout terms for your selected plan. Confirm the renewal schedule, the exact cancellation route, the prescription quantity, and any refund terms attached to your order.
Is DirectMax or MEDVi Quad the better fit?
Choose based on the difference you can actually use. DirectMax fits the person drawn to a three-ingredient rapid-dissolve tablet and a listed per-dose starting price. Quad fits the person who prefers a four-ingredient under-the-tongue liquid and wants to evaluate a monthly plan that includes the consultation and rush shipping.
Do not choose on the assumption that more ingredients automatically means a better fit. The American Medical Association notes that ED has many possible causes and that treatment choices are personal. It also notes that physical activity, a heart-healthy eating pattern, reducing smoking and excess alcohol, and addressing related health factors can support erectile function. That gives you more than one lever to work with while you sort out the right care path.
Before you choose
- Ask for the exact active-ingredient amounts and your prescribed directions.
- Tell the clinician about every medicine and supplement you use, especially nitrates, blood-pressure medicines, and alpha blockers.
- Compare the total due today, future renewal terms, and cancellation steps for the plan in front of you.
- Choose the format you are most likely to use as directed: DirectMax’s tablet or Quad’s liquid.
- If erection difficulty is new, ongoing, or changing, bring it up in the clinical review; it can be related to broader health factors.
The next step is simple: compare the exact prescription and payment terms offered to you, then choose the format and plan that fit your routine without guessing.
By the Gym Floor Guide Editorial Team
This article is for general information purposes only and does not constitute medical advice. Consult your doctor or qualified healthcare provider before making changes to your health routine.