The Nitric Oxide Journal

Fiber: The Most Underrated Nutrient for Gut Health, and Why We Recommend More Than the Guidelines Do
Official guidelines set fiber intake at 25 to 38 grams a day. We think that's a floor, not a target. Here's the case for aiming closer to 60 grams, and how to get there without wrecking your gut in the process. Read more...
Social Connection and Longevity: The Health Factor With No Supplement
Social connection may be one of the most evidence-backed longevity factors there is, with an effect size comparable to smoking and physical inactivity. Here's what the research actually found. Read more...
Stress, Cortisol, and Your Blood Vessels: What Chronic Stress Actually Does
Chronic stress has a direct, measurable effect on your blood vessels. Here's the mechanism, and what actually has evidence behind it for managing it well. Read more...
Exercise and Nitric Oxide: The Mechanism Diet Alone Can't Replicate
Exercise increases nitric oxide through a completely different mechanism than diet does. Here's how much you actually need, and why consistency beats intensity. Read more...
Sleep and Cardiovascular Health: Why More Isn't Always Better
Sleep isn't separate from cardiovascular health, it's one of the primary levers. Here's what the research shows about sleep duration, quality, and heart disease risk. Read more...
Vascular Aging and Nitric Oxide: The Process Behind Cardiovascular Longevity
Vascular aging is the process behind almost every cardiovascular condition associated with getting older. Here's what the research says actually slows it down. Read more...
Nitric Oxide and Sexual Health: The Vascular Connection, Explained Honestly
Erectile function is a blood flow event, not a separate system. Here's the real clinical research on nitric oxide, L-Citrulline, and sexual health, including where the evidence is strong and where it's limited. Read more...
The Best Nitrate-Rich Foods for Nitric Oxide, No Supplement Required
You don't need a bottle to support your nitric oxide pathway. Here's what the actual nitrate content of common vegetables looks like, and how to build a plate around it. Read more...
Nitric Oxide and Metabolic Health: Blood Sugar, Insulin, and What the Trials Found
Nitric oxide is tied to insulin signaling in animal models. Here's what happened when researchers actually tested it in people with type 2 diabetes. Read more...
Nitric Oxide and Brain Health: What the Research Actually Shows
Does supporting nitric oxide really help focus and cognition, or is that a stretch? Here's what the human trials on cerebral blood flow actually found. Read more...
Crash-Free Energy: What the Research Says About L-Citrulline and Fatigue
Does L-Citrulline actually help with energy and fatigue, or is it just marketing? Here's what peer-reviewed exercise science studies actually found. Read more...
How Nitric Oxide Supports Healthy Blood Pressure
What the research actually shows about dietary nitrate, blood pressure, and cardiovascular health, straight from the clinical trial data. Read more...