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ZionovaSexual HealthIn stock
Zionova Viagra
Sildenafil citrate · 50 tablets
5.032 reviews$132.00CAD$2.64 per tablet · $0.053 per mg
Buy Zionova Viagra (Sildenafil Citrate) online in Canada. Proven performance product for fast-acting erectile dysfunction treatment with reliable onset within 30-60 minutes for confident performance. Available at SteroidsCanada.is with pharmaceutical-grade quality and fast, discreet delivery across Canada.
Free shipping on orders over $300 CAD. Add $168 more with this item to qualify.
Delivery guaranteed: lost or seized, we reship your order free. Delivery policy
It ships by Canada Post Xpresspost with tracking.
- Ships from inside Canada
- Plain, unbranded box
- Pay by Interac e-Transfer
- Lost or seized: reshipped free
Spec sheetSildenafil citrateZionova · Zionova Viagra
- Compound
- Sildenafil citrate
- Strength
- 50 mg per tablet
- Pack
- 50 tablets
- Total per order
- 2,500 mg
- Form
- Oral tablet
- Half-life
- About 4 hours
- Value
- $0.053 per mg
01The basics
What Zionova Viagra is
Viagra is the brand name for sildenafil, the first pill approved to treat erectile dysfunction (ED), back in 1998. Generic sildenafil has been sold in Canada since 2013. Each Zionova tablet contains 50 mg of sildenafil citrate, the standard starting dose, with 50 tablets per bottle.
Sildenafil works for most men with ED, but it isn’t safe for everyone. The most important thing on this page is the nitrate warning; please read it even if you’ve used ED pills before.
02Molecule
The molecule
What is actually in the vial or tablet, from the public chemistry databases of the U.S. National Library of Medicine.
03How it works
How it works
During arousal, nitric oxide raises cGMP, which relaxes blood vessels in the penis and lets blood flow in. The enzyme PDE5 breaks cGMP down. Sildenafil blocks PDE5, so an erection is easier to get and keep.
- Onset: usually 30–60 minutes, and slower after a heavy or high-fat meal.
- Duration: its half-life is about 4 hours, so most men find it works for about 4–6 hours.
- Arousal needed: it doesn’t cause an erection by itself and doesn’t increase sex drive.
04Half-life
Half-life, in plain numbers
A half-life of about 4 hours means half of what is in the body is gone after that time, then half of the rest, and so on. For a tablet this is mostly about how fast the liver clears it; food and the person change it a little.
- One half-life
- 4 h
- About 97% gone
- 20 h
- Levels level out with regular use after
- 16 h–20 h
A textbook model built from the half-life alone. Real numbers vary from person to person.
05Clinical reference
Dosing information
Clinical reference. The usual dose of sildenafil for ED is 50 mg, taken about an hour before sex (anywhere from 30 minutes to 4 hours before). Depending on how well it works and how well it’s tolerated, it can be lowered to 25 mg or raised to a maximum of 100 mg, no more than once a day. A 25 mg starting dose is used for people over 65, with liver or severe kidney problems, or on drugs that raise sildenafil levels.
One Zionova tablet is 50 mg, the standard dose. Talk to a doctor before use, especially if anything above applies to you.
06Measure it
Measure it
Type in the amount your prescriber gave you, or the one you are working from, and this turns it into what to draw up or count out from this exact product. It only does the arithmetic; it never suggests an amount.
Result
—
Enter your amount
- —
- —
Arithmetic from the strength printed on this product. Always check your own vial or bottle, follow your prescriber, and ask a pharmacist to show you how to measure if you are unsure.
07Brand vs brand
Brand vs brand
The same compound from another maker. What changes is the pack, the strength per tablet or ml, and the price per unit.
Zionova Viagra
- Strength
- 50 mg per tablet
- Pack
- 50 tablets
- Total
- 2,500 mg
- Per unit
- $0.053 per mg
- Rating
- 5.0 ★ (32)
$132.00
Viagra Genetix Pharma
- Strength
- 30 mg per tablet
- Pack
- 50 tablets
- Total
- 1,500 mg
- Per unit
- $0.088 per mg
- Rating
- 5.0 ★ (1)
$132.00
Add to cart08Risks
Side effects and risks
Most side effects are mild and short-lived, because sildenafil clears fairly quickly.
Common side effects
Headache, facial flushing, a stuffy nose, indigestion and dizziness. Some men notice a temporary blue tint to their vision or sensitivity to light.
Never mix with nitrates
Sildenafil with nitroglycerin (sprays, tablets or patches for chest pain) or “poppers” (amyl nitrite) can cause a sudden, dangerous drop in blood pressure. Wait at least 24 hours after a dose before any nitrate.
Low blood pressure
Alpha-blockers (such as tamsulosin or doxazosin), other blood pressure drugs and heavy drinking add to sildenafil’s effect on blood pressure. Stand up slowly.
Erection over 4 hours
Priapism is rare but needs emergency treatment to prevent permanent damage. Go to the nearest emergency department.
Sudden vision or hearing loss
Stop taking it and get medical help right away if you suddenly lose vision in one or both eyes, or notice sudden hearing loss or ringing.
Don’t use it if you
Take nitrates or riociguat, have been told sex isn’t safe for your heart, recently had a heart attack or stroke, have very low blood pressure, severe liver disease, an inherited eye condition such as retinitis pigmentosa, or are under 18.
09Interactions
Interactions
Medicines and substances that change how this product behaves, or that it changes. Show this list to your pharmacist along with everything else you take.
- SeriousNitrates and poppers
Nitroglycerin sprays and patches, isosorbide tablets and amyl or alkyl nitrite “poppers” combined with a PDE5 inhibitor can drop blood pressure to a dangerous level. Never mix them.
- SeriousRiociguat (Adempas)
The same dangerous fall in blood pressure. Not to be combined.
- CautionAlpha-blockers and blood-pressure medicines
Tamsulosin, doxazosin, terazosin and similar drugs add to the drop in pressure, causing dizziness or fainting when you stand up.
- CautionKetoconazole, ritonavir, clarithromycin, grapefruit
These block the enzyme (CYP3A4) that clears PDE5 inhibitors, so blood levels can climb several-fold.
- Good to knowAlcohol
Lowers blood pressure further and makes erections harder to get, which defeats the purpose.
- Good to knowTiming
Leave at least 24 hours after sildenafil before any nitrate.
10Safety
Before you take it
ED can be an early warning of heart disease, diabetes or low testosterone. A check-up is worth it even if sildenafil works.
- Heart: chest pain or breathlessness on exertion, or a known heart condition
- Blood pressure: know your numbers before you start
- Medications: nitrates, alpha-blockers, and drugs that raise sildenafil levels such as ritonavir, ketoconazole, erythromycin or clarithromycin
- Other PDE5 drugs: don’t combine with Cialis, Revatio (sildenafil for lung blood pressure) or other ED products
- Bloodwork worth asking for: fasting glucose or A1C, cholesterol and testosterone
11Tips
Getting the best results
- Take it about an hour before sex, ideally on an empty stomach or after a light meal.
- Arousal is still needed; give it time.
- Keep alcohol to a drink or two.
- Don’t judge it on one try. Many men find it works better by the second or third time.
- Never take more than one dose in 24 hours.
- Store at room temperature, away from moisture.
12Pairs well with
Pairs well with
13Delivery
Delivery across Canada
Everything ships from inside Canada, so there is no border, no customs and no currency conversion.
Canada Post Xpresspost$30Free on orders over $300
Purolator / FedEx$60Courier option at checkout
- DispatchOrders ship by Canada Post Xpresspost, with tracking within 72 hours of payment. Customers commonly report 2 to 4 days to arrive, depending on the province and postal code.
- PackagingA plain outer box with no product names or branding.
- Delivery guaranteeIf a parcel is lost or seized in transit, we reship it free. Delivery policy
- ReturnsBecause of what these products are, opened or delivered orders can’t be returned. A wrong item is replaced free.
- PaymentInterac e-Transfer, priced in Canadian dollars.
14Questions
Common questions
How long does Viagra last?
Usually about 4–6 hours. That doesn’t mean a constant erection; it means you can get one more easily when you’re aroused during that window.
Viagra or Cialis: which should I choose?
They work the same way. Sildenafil (Viagra) is shorter-acting and best on an empty stomach; tadalafil (Cialis) lasts up to 36 hours and isn’t affected by food. Many men choose sildenafil for planned occasions and tadalafil for spontaneity.
Can I take Viagra with food?
Yes, but a heavy or high-fat meal can delay it by up to an hour and weaken the peak effect. A light meal is fine.
How fast is shipping in Canada?
Orders ship by Canada Post Xpresspost, with tracking within 72 hours of payment, with tracking.
Is Viagra legal in Canada?
Sildenafil is a prescription drug in Canada (on Health Canada’s Prescription Drug List). It isn’t a controlled substance.
How is my order packaged?
In a plain, unbranded box with no product names on the outside.
15Research
Research behind this page
The studies and guidelines the clinical and safety information above leans on. Every link opens the record on PubMed.
- 1Oral sildenafil in the treatment of erectile dysfunction. Sildenafil Study Group
N Engl J Med1998Goldstein I et al.PMID 9580646
- 2Phosphodiesterase Type 5 Inhibitors and Oral Nitrates in Male Patients with Ischemic Heart Disease
Curr Cardiol Rep2023Morrisette MJ, Dunn SPPMID 37074567
16Reviews
What customers say
5.032 ratings
- 5 ★31
- 4 ★1
- 3 ★0
- 2 ★0
- 1 ★0
Brent S.Verified order ·
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AnonymousVerified order ·
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AnonymousVerified order ·
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RVerified order ·
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SteroidsCanada.is replied
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Educational information only, not medical advice. Talk to a doctor or pharmacist before using any anabolic steroid, hormone, peptide or prescription drug. Adults 18+ only. Sold and shipped from Canada by SteroidsCanada.is.