Erectile problems are common, personal and often a sign worth listening to. Here is what research says about blood flow and nitric oxide, what lifestyle changes have evidence, and where a supplement fits in.
By the Smart Living Spot Editorial Team · · 9 min read
An erection needs healthy blood vessels. Nitric oxide, a gas the body makes, helps vessels relax and widen so blood can flow in. When arteries narrow because of atherosclerosis, that flow can fall short. The arteries that supply the penis are smaller than those supplying the heart, so narrowing often shows up there first.
According to the Mayo Clinic, ED can precede heart disease symptoms by about 3 to 5 years, and shared risk factors include high cholesterol, high blood pressure, inactivity, excess weight, smoking and diabetes.
Honest caveat: the official Nitric Boost page tells a different story, in a "news" style article claiming that doctors have had it wrong and that ED is caused by a "manhood molecule" (cGMP) deficiency. We found no journal, authors or study behind that article, so we treat it as marketing, not science. It is true that the nitric oxide-cGMP pathway matters for erections; that is how prescription ED drugs work.
Because ED and heart disease share the same risk factors, eating for your arteries is a sensible starting point.
Reality check: no single food or powder fixes ED. The strongest evidence we found is for the overall program of weight loss, activity and healthy eating, described next.
In a JAMA trial (Esposito et al., 2004), 110 obese men aged 35 to 55 with ED were followed for two years. Half got detailed advice on losing at least 10% of their body weight with diet and more activity; half got only general information.
Caveat: participants had no diabetes, high blood pressure or heart disease, were highly motivated, and followed an intensive program at one clinic, so results may be harder to repeat in everyday life.
Nitric Boost is a powder, taken as one scoop a day, marketed to support sexual performance by increasing nitric oxide. Per the official page it combines eight ingredients "pointed at the same target":
What we found when we searched for published research. Evidence on a single ingredient does not prove the blend works.
Our take: the idea behind the formula is plausible on paper, and L-arginine has some limited support, but nothing we found shows that this blend works, and it can interact with common heart and blood pressure medicines. If you are curious, the guarantee lowers the financial risk, but see a doctor about the cause of ED first and run any supplement past them.
Read the details yourself on the official Nitric Boost page and decide with your doctor.
See the official Nitric Boost page →Affiliate link: we may earn a commission at no extra cost to you.
Nobody can say for sure. We found no published clinical trial of the complete formula. L-arginine has limited support in ED from a physical cause, but the evidence for the other ingredients and the blend is thin. Customer stories are not proof, and results vary.
The brand says it is made in a GMP-certified facility and advises consulting a doctor. Still, L-arginine can lower blood pressure too much when combined with nitrates, sildenafil or blood pressure medicine, and ginkgo may affect bleeding. Ask your doctor or pharmacist first.
Yes. The Mayo Clinic notes that ED can come 3 to 5 years before heart disease symptoms. A visit to your doctor is worth it.
In a two-year trial, weight loss, more physical activity and healthier eating helped about one in three obese men with ED regain normal function. Quitting smoking, moderating alcohol and treating conditions such as high blood pressure and diabetes also matter.
No. In 2013 the FDA warned about six sexual-enhancement supplements that contained undisclosed prescription drugs, including sildenafil, which can be dangerous for men taking nitrates. This is a reason to buy only from official sellers and to talk to your doctor.
How we reviewed this: we read the official Nitric Boost page and searched for published research on erectile dysfunction, lifestyle and the main ingredients. We did not review every ingredient in depth. This article has not had a clinician's medical review. It is for information only and is not medical advice. Dietary supplements are not intended to diagnose, treat, cure or prevent any disease. Talk to your doctor before changing your routine.