Can You Take Herbal Mojo If You Are on Heart or Blood Pressure Medication?
If you take nitrate medication, do not take Herbal Mojo or any other supplement sold for erectile support without speaking to your doctor first. That is the whole answer, and the reasoning below matters because it is not the reasoning most supplement sites give. The nitrate interaction risk here rests on what has not been measured, not on a claim that these ingredients match a prescription drug.
Why nitrates and PDE5 inhibitors are dangerous together
Both act on the same pathway, and their effects on blood pressure compound. An erection depends on nitric oxide raising cyclic GMP, which relaxes smooth muscle and lets blood in. PDE5 is the enzyme that breaks cyclic GMP back down.
Nitrates donate nitric oxide directly, pushing cyclic GMP up. A PDE5 inhibitor stops it being cleared. Run both at once and the drop in blood pressure can be far larger than either would produce alone.
The review most often cited on this, Schwartz and Kloner in Circulation, 2010, states that when PDE5 inhibitors are given alongside nitrates or alpha-blockers, pronounced systemic vasodilation and severe hypotension are possible. Clinical guidance treats nitrates as an absolute contraindication rather than a dose-dependent caution.
That covers prescription nitroglycerin and GTN spray, isosorbide, and recreational nitrites sold as poppers. It is the mechanism that matters, not the form.
Does Herbal Mojo actually inhibit PDE5
One of the seven ingredients has laboratory evidence of PDE5 inhibition, and it has not been tested in men. This is where most supplement pages overstate their case, and the honest version is more useful to you.
Icariin, from Horny Goat Weed, inhibited human PDE5A1 in an isolated enzyme assay with an IC50 of 5.9 micromolar against 74 nanomolar for sildenafil, roughly eighty times weaker.
Osthole, from Cnidium Monnieri, is often described as a PDE5 inhibitor. The study behind that claim tested four coumarins on isolated rabbit erectile tissue and found they produced relaxation. It did not test PDE5 inhibition, so the mechanism was never established.
Xanthoparmelia Scabrosa is sometimes described online as acting on the same pathway. We are not aware of a published study establishing that, or of any study measuring its effect on blood pressure or its interactions with medication.
Nobody has measured what the finished seven ingredient formula does to blood pressure in a man taking nitrates. No such study exists. That absence is the reason for the caution, not evidence of a strong effect.
Why an untested supplement is not the safer option
A known drug at a known dose is easier to plan around than an unmeasured one. A doctor can time a prescription PDE5 inhibitor against your nitrate use because the half-life is published and the interaction is quantified.
There is a second reason specific to this category. The FDA repeatedly finds undeclared sildenafil and tadalafil in products marketed as all natural, which means a man on nitrates can take a supplement labelled herbal and receive a full drug dose without knowing. That risk exists regardless of what any label says, and it is covered in Herbal Mojo vs Gas Station Erection Pills.
What about alpha-blockers and other blood pressure medication
Alpha-blockers are the next most relevant, because they lower blood pressure on their own. The Circulation review names them alongside nitrates as capable of producing severe hypotension in combination with a PDE5 inhibitor, and notes that alpha-blockers used selectively for prostate symptoms carry less risk than the non-selective ones.
Most other blood pressure medication is a lower concern with prescription PDE5 inhibitors, but that evidence was generated with those drugs, not with a herbal formula nobody has tested in the same way.
Propranolol and Eurycoma Longifolia
One ingredient has a measured interaction with a heart and blood pressure drug. Salman and colleagues (2010) gave 14 healthy young men 80 mg of propranolol with either placebo or 200 mg of Eurycoma Longifolia water extract, in a randomised crossover study.
With the extract, propranolol's bioavailability fell by 29 per cent and its peak blood concentration by 42 per cent, and it took longer to reach that peak. The authors attributed this to reduced absorption rather than faster breakdown, and the study was in healthy volunteers rather than patients.
Propranolol is a beta blocker used for blood pressure, heart rhythm and other conditions. Less of it absorbed could mean less effect from the medication, so anyone taking it should speak to their doctor before taking Herbal Mojo.
Risk at a glance
| Medication or substance | Position | What to do |
|---|---|---|
| Nitrates: nitroglycerin, GTN spray, isosorbide | Absolute contraindication with PDE5 inhibitors | Do not take Herbal Mojo or any similar supplement without speaking to your doctor |
| Recreational nitrites, sold as poppers | Same mechanism as prescription nitrates | Do not combine |
| Alpha-blockers, for blood pressure or prostate symptoms | Named in the Circulation review alongside nitrates | Speak to your doctor about timing and dose before combining anything |
| Propranolol | Eurycoma Longifolia reduced its absorption in a study of healthy men | Speak to your doctor before combining |
| Other blood pressure medication | Lower concern with prescription PDE5 inhibitors, untested with this formula | Mention it to your doctor or pharmacist |
| Blood thinners | No interaction data for this formula | Mention any supplement use at your next appointment |
| Any prescription drug | No interaction data for this formula | Take the full ingredient list to a pharmacist |
The milligram amount of each of the seven ingredients is printed on the pack and published on the ingredients page, which is what makes that pharmacist conversation possible. A proprietary blend does not allow it.
What to ask your doctor or pharmacist
Take the full list of what you take, including anything used only as needed, and ask directly whether any of it is a nitrate, an alpha-blocker or propranolol. That is a two-minute question with a definite answer.
Also say that you are considering a herbal supplement rather than a prescription, and show them the ingredient list. Some will tell you a prescription is the safer route precisely because it is measurable, and that is worth hearing.
No adverse effects have been reported to us by customers when Herbal Mojo is taken as directed. That is a record of what buyers have told us, not a safety trial, and it does not establish that the formula is free of interactions. See the medical disclaimer.
Common questions
Can I take Herbal Mojo if I am on blood pressure medication? Speak to your doctor first. Alpha-blockers need particular care, Eurycoma Longifolia reduced propranolol absorption in one study, and no interaction study exists for the finished formula with any medication.
Why does a herbal supplement carry the same nitrate warning as Viagra? Because one of its ingredients inhibits PDE5 in a laboratory assay, and because nobody has measured what the finished formula does to blood pressure. Where the data is absent, the interaction cannot be ruled out.
Is the herbal version weaker, so is the risk lower? Icariin was roughly eighty times weaker than sildenafil in the assay above, but that was purified compound on isolated enzyme. It says nothing about what a capsule does in a person, which is why it is not a basis for assuming safety.
What if I only use my nitrate spray occasionally? The contraindication applies to as-needed nitrate use as well. Sublingual sprays are exactly the situation the warning exists for.