Safety
Is Vigorus Safe? Side Effects and Interactions
Quick answer
At one capsule a day, Vigorus gives 20 mg of niacin and 11 mg of zinc, both under their adult upper limits of 35 mg and 40 mg. The bigger questions are medicines: citrulline and pine bark touch circulation, so anyone on blood-pressure, blood-thinning or nitrate medicine should show the label to a clinician first.
How do Vigorus's niacin and zinc compare with safe upper limits?
Both sit below the adult upper limits at one capsule a day. The upper limit, or UL, is the most you can take daily from all sources before the risk of harm starts to rise.
Here are the label amounts next to the government figures (NIH ODS) (NIH ODS).
| Nutrient (per capsule) | Vigorus amount | Adult daily target | Upper limit (UL) | Room left under the UL |
|---|---|---|---|---|
| Vitamin B3 (as niacin) | 20 mg (125% DV) | 16 mg for men | 35 mg | 15 mg |
| Zinc (as zinc oxide) | 11 mg (100% DV) | 11 mg for men | 40 mg | 29 mg |
The UL counts every source together: food fortification, multivitamins and other supplements. That is where most people run into trouble, not with one product alone.
What side effects can the Vigorus blend ingredients cause?
At normal study doses, most blend ingredients cause mild problems, if any. The catch is that the amount of each in the 570 mg blend is not published.
The whole blend weighs less than one typical study dose of citrulline alone, so large-dose side effects seem unlikely. We cannot rule them out for any single ingredient.
| Ingredient | Side effects reported in research or fact sheets | Note |
|---|---|---|
| L-citrulline | Usually well tolerated; stomach upset at high doses | Studies used about 3 to 9 g (NIH ODS) |
| L-carnitine | Nausea, stomach upset and a fishy body odor at about 3 g a day | Dose here is far lower (NIH ODS) |
| Pine bark extract | Mild stomach upset, dizziness or headache in some users | Amount in the blend unknown |
| Maca root extract | Few problems reported in small trials | Evidence is limited (Shin et al., 2010) |
| Grape skin extract | Mild stomach upset in some people | Amount in the blend unknown |
| Saffron stigmas extract | Mild effects in small trials at food-like doses | Evidence is limited |
Which medicines need a doctor's review before Vigorus?
Blood-pressure, blood-thinning and nitrate medicines come first. Citrulline and pine bark both touch circulation, so together with these drugs they may add up.
Show the label to your doctor or pharmacist before the first capsule.
Who should not take Vigorus?
The label rules out anyone under 18 and pregnant or nursing mothers. It also asks anyone with a medical condition to see a physician first.
Some groups have extra reasons to wait for a doctor's go-ahead.
- Anyone under 18
- Pregnant or nursing women
- People with low blood pressure or who feel faint on standing
- People with liver disease or stomach ulcers, until a doctor clears the niacin
- Anyone with a bleeding disorder or a surgery coming up
- Anyone allergic to pine, grape or other listed plant sources
If you are unsure, the who it is for page walks through fit in more detail.
Could an erection or libido problem be a sign of something else?
Yes. Sexual or erection problems can signal heart disease or diabetes, sometimes years before other signs appear.
A supplement should never replace that check-up. See a doctor first, then decide whether a product like Vigorus fits.
- Ask for a blood pressure reading
- Ask about blood sugar and cholesterol tests
- Mention every supplement and medicine you take
- Bring the Vigorus label or a photo of it
When should you stop taking Vigorus?
Stop and call your doctor if anything new or worrying shows up after you start. Keep the bottle so you can show exactly what you took.
Some signs call for urgent help rather than a routine appointment.
| Sign | What to do |
|---|---|
| Chest pain, fainting or trouble breathing | Call 911 now |
| Swelling of the face, lips or throat, or hives | Seek emergency care |
| Dizziness or light-headedness when standing | Stop and call your doctor |
| Unusual bruising or bleeding | Stop and call your doctor, especially on blood thinners |
| Strong or lasting skin flush | Stop and check your total niacin intake |
| Ongoing stomach upset or fishy body odor | Stop and ask your pharmacist |
Stopping early does not end your guarantee rights. The window is 60 days from purchase; see the guarantee page.
How can you lower the risk of side effects with Vigorus?
Stick to the label dose and add up your other supplements. Those two habits prevent most problems.
Here is a short routine to follow.
Talk to your doctor first
Bring the label, especially if you take any medicine.
Take one capsule a day
Never double up after a missed dose.
Take it with food
A meal can ease stomach upset and flushing.
Count your niacin and zinc
Include multivitamins and fortified foods.
Store it well
Cool and dry, below 30°C (86°F), out of reach of children.
Vigorus side effects: common questions
Does Vigorus cause niacin flush?
It is less likely at this dose. Flushing is typical at 30 to 50 mg of nicotinic acid, and one capsule gives 20 mg. Some people are more sensitive, so a mild, short flush is still possible.
Can I take Vigorus with blood pressure medicine?
Show the label to your doctor first. Citrulline and pine bark both touch circulation, and the amount of each in the blend is not published.
Can I take Vigorus with nitrates?
Do not start it without your doctor's say-so. Nitrates are used for chest pain, and anything that affects blood vessels needs a clinician's review first.
Can I take two Vigorus capsules for a stronger effect?
No. The label says do not exceed the recommended dose of one capsule a day. Two capsules would also push niacin to 40 mg, above the 35 mg upper limit.
Is Vigorus safe with a multivitamin?
Add up the niacin and zinc. If your multivitamin also has zinc and niacin, the totals may pass the upper limits. Your pharmacist can check the numbers.
Can women take Vigorus?
The label says it is not for pregnant or nursing mothers. The product is sold for men, and it is not for anyone under 18.
Does Vigorus contain sildenafil?
Nothing like that is listed on the label, which shows two nutrients and a six-part plant and amino acid blend. The FDA warning on hidden drugs is why buying through the authorized route matters.
What should I do if I feel unwell on Vigorus?
Stop taking it and call your doctor. For chest pain, fainting or trouble breathing, call 911 right away.
References
- U.S. Food and Drug Administration (2026). Tainted Sexual Enhancement Products.
- NIH Office of Dietary Supplements (accessed 2026). Carnitine: Fact Sheet for Health Professionals.
- NIH Office of Dietary Supplements (accessed 2026). Dietary Supplements for Exercise and Athletic Performance.
- NIH Office of Dietary Supplements (accessed 2026). Niacin: Fact Sheet for Health Professionals.
- NIH Office of Dietary Supplements (accessed 2026). Zinc: Fact Sheet for Health Professionals.
- Shin BC, Lee MS, Yang EJ, Lim HS, Ernst E (2010). Maca (L. meyenii) for improving sexual function: a systematic review. BMC Complementary and Alternative Medicine 10:44.
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$49 to $79 a bottle, 30 capsules each. Every order has a 60-day money-back guarantee. Questions first? Call +1 (323) 391-7352.
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