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Does Boostaro Raise or Lower Blood Pressure?

Medically reviewed by Dr. Rachel Rubin, MD, Physician

Earnings disclosure: this website earns when an order goes through its checkout. It is a USA Authorized Boostaro Retailer, not the manufacturer.

Does Boostaro raise blood pressure?

We found no evidence in the research on the seven ingredients that they raise blood pressure. The studies we cite point the other way, towards small drops. That does not prove Boostaro is harmless for blood pressure, because nobody has tested the capsule itself.

One caution applies to everyone: anything that changes how blood vessels behave can matter to a person who takes medicine for blood pressure. A small push, even in the helpful direction, is something your doctor should know about. That is the reason we ask you to mention it, not a sign of danger on its own.

If you notice dizziness when you stand, a pounding head or any new symptom after starting, stop and call a clinician.

Does Boostaro lower blood pressure?

Maybe a little, if the doses are anything like those in the studies, and we do not know that they are. Here is what the research for each relevant ingredient found.

Look at the size of the numbers. Two or five points on a blood pressure reading is small. It is the sort of change that matters across a whole population and is hard to feel in one person. Boostaro does not claim to lower blood pressure, and we would not use it for that purpose.

If your pressure is high, the plain steps do more: sleep, less alcohol, less salt, a healthier weight and regular movement, plus whatever your doctor has prescribed.

Can Boostaro increase nitric oxide?

This one is a question about mechanism, and the mechanism is the reason L-citrulline is on the label. The body converts L-citrulline to L-arginine, and the lining of blood vessels uses L-arginine to make nitric oxide. Nitric oxide tells the muscle in the vessel wall to relax, and relaxed vessels carry more blood.

Pharmacokinetic work by Schwedhelm and colleagues in 2008 looked at how oral citrulline and arginine behave in the body, and it is the reason citrulline appears on panels like this one at all.

A mechanism is not a result. The question for Boostaro is whether its capsule delivers enough citrulline to matter, and the amount is not published. The research dose that gave a modest result in a small trial was 1.5 g a day for one month. We cannot say how that compares.

Is Boostaro safe for diabetics?

We cannot say. The material we work from has nothing specific on diabetes and Boostaro, so the honest entry is “not published”.

What we can say is why a conversation matters. Vitamin C has a meta-analysis that found better blood vessel lining function in people with diabetes or vascular disease, and not in healthy people. That is a finding about a vitamin at research doses, not about this capsule. Diabetes also brings other medicines and other risks, and the interactions on this panel, such as those with blood thinners, still apply.

Ask your doctor or diabetes nurse before starting, and bring the ingredient list. If you take several medicines, a pharmacist can check the whole set for you.

Is Boostaro safe for heart patients?

Again, we cannot give a yes. A heart condition usually means medicines for clotting, pressure or rhythm, and three of the seven ingredients here touch clotting. One acts on the same pathway as nitrates.

If you have had a heart event, take nitrates, or are on a blood thinner, your cardiologist should decide before the first capsule. This is the clearest case on this site where a call to a clinician beats any amount of reading.

There is a related point worth knowing. A systematic review in European Urology found that erectile difficulty frequently shows up two to five years before a cardiovascular diagnosis. If a change in sexual function is new, sudden or has lasted for months, book a check-up before you think about a supplement.

How can you keep track of your numbers?

If your doctor agrees you can try Boostaro, keep records. They make the next appointment far more useful.

1. Take your blood pressure at home at the same time of day, using a validated cuff, for some days before you start. Write the numbers down.
2. Keep taking the same medicines at the same times.
3. Continue the log while you take Boostaro and show it at your next review.
4. Note any dizziness, headaches or flushing, and the date.
5. Share the log with your doctor even if everything looks fine.

A log turns a vague feeling into something a clinician can read at a glance.

Frequently asked questions

Our view

The headline answer is dull, and that is the right answer: the capsule has not been tested for blood pressure, and the ingredient research suggests small effects at doses we cannot match.

For someone with healthy numbers and no medicine, that is not a worry. For someone with high blood pressure, diabetes or a heart condition, it is a reason to ask first and keep a log. A supplement is an add-on at best. It is never a stand-in for care that already works.

Be wary of any page that tells you a capsule will fix your blood pressure. Ours does not say that.

Earnings disclosure: this website earns when an order goes through its checkout. It is a USA Authorized Boostaro Retailer, not the manufacturer.