Nitric Oxide Supplement - Caffeine-Free Blood Flow & Focus - 400mg L-Citrulline Malate Per Serving Vegan Capsules - 30 Servings

You want your head at full output for the whole stretch you need it, not for the first ninety minutes of it.

The usual answer to that is a stimulant. Caffeine does not give your brain more to work with. It covers up how tired you already are, hands the tiredness back later, and leaves you flat at exactly the hour you needed the most from yourself.

Nitric oxide works on the supply side instead:

• It opens the pipe rather than speeding you up. Nitric oxide is the signal that relaxes a vessel wall from the inside, and a relaxed vessel carries more blood than a tight one.
• Your brain is the organ that notices first. It is a small fraction of your body weight and one of the hungriest things in you for oxygen, so what your blood supply is doing shows up in how well you think.
• Three actives, one pathway, no decisions to make. You are not choosing between citrulline and arginine or working out how to run both of them together. The bottle already holds the finished combination.
• It is a supply, not a switch. Nothing climbs twenty minutes in and nothing falls away later, which is why this is taken every day and judged over weeks rather than over an afternoon.

CORTEX Nitric Oxide gives you 400 mg of L-citrulline DL-malate and 400 mg of arginine across two forms in every serving. Two capsules daily with 6 to 8 oz of water, and what you get for it:

• A clear head with something underneath it. The blood supply your thinking runs on is being fed on purpose instead of left to whatever you last ate.
• Output that holds its level through a long stretch. The fourth hour of hard thinking gets the same supply behind it as the first one did.
• Nothing to time and nothing to come down from. No stimulant goes in, so nothing has to wear off again before you can sleep.

Here is what actually changes, and roughly when.

🩸 Support starts from the first serving

Both precursors are in from the first two capsules, and what your body has to work with depends on what turns up each day. Nothing flushes, nothing tingles, and nothing arrives with an announcement attached.

🧠 You notice the fourth hour, not the first

This does not make the opening hour of a task sharper. It makes the later ones cost you less, because the supply underneath them has not quietly dropped away.

☕ It does not compete with your coffee

There is no caffeine in here at all. Whatever you already drink in the morning stays exactly as it is, and nothing stacks on top of it.

💧 Take it with a full glass

Six to eight ounces of water is on the label for a reason. Capsules like these go down easier with a full glass than with a mouthful, and there is nothing here that has to be timed around food.

📈 Judge it over weeks, not over an afternoon

A nutrient pathway answers to what turns up every day rather than what turned up once. Take it on the quiet days as well as the heavy ones and give it a proper run before you decide.

Two amino acids, one signal. Here is what each part of it gets you.

• Nitric oxide is what widens a vessel. It is one of the smallest signals your body makes and one of the most useful, and its whole job is to let more blood through.
• Arginine is the direct building block. Your body makes nitric oxide out of arginine, which is why arginine is here in two separate forms rather than only one.
• Citrulline keeps that block arriving. Your kidneys convert citrulline into arginine after it is absorbed, which is why it is the largest single amount in the serving.
• Blood flow is what your brain runs on. Your brain takes around a fifth of the oxygen you breathe, and oxygen arrives the same way everything else does, in blood.

How the amount here compares.

A serving is 400 mg of L-citrulline DL-malate and 400 mg of arginine across two forms, which comes to 800 mg of actives. Taken as directed that is 800 mg going in every single day of the month a bottle covers, and a nutrient pathway answers to exactly that kind of arrival. The payoff is never in one serving. It is in the run of them, and it turns up in the second half of a long day.

This was made for people whose work is thinking, and who want the blood supply underneath it handled without having to manage it.

It's especially for you if:

• The first two hours of hard thinking go well and the fourth one does not.
• You already sleep enough and eat properly, and the back half of the day still costs you more than it should.
• You would rather not add another stimulant on top of the ones you already have.
• You want the whole pathway handled in one bottle rather than assembled out of three.
• You want a decision you make once and then stop thinking about.

400 mg of L-citrulline DL-malate and 400 mg of arginine across two forms in every serving, three actives and two other ingredients, 60 vegan capsules to a bottle at two a day. Gluten-free, vegetarian, allergen-free, non-GMO and vegan friendly. Made in the USA.

If three of those sounded like you, this is the nitric oxide capsule you have been looking for.

Your order today is backed by our 90-day guarantee. If CORTEX isn't right for you, return it within 90 days of delivery for a full refund. Simple as that.