Naka NOX Nitric Oxide Booster, L-Citrulline, L-Arginine and Organic Beetroot, Supports Healthy Blood Flow, 90-240 Vegetable Capsules

Naka NOX Nitric Oxide Booster Details

Naka NOX Nitric Oxide Booster is a three-part nitric oxide formula in a vegetable capsule: 333.3 mg of L-citrulline (as L-citrulline malate), 250 mg of L-arginine and 50 mg of organic beetroot per capsule, in bottles of 90 or 240. A serving is 2 capsules — 666.6 mg of citrulline, 500 mg of arginine and 100 mg of beetroot — and the label runs from 2 capsules once a day up to 2 capsules three times a day for workout use.

Naka positions it to help support nitric oxide production, promoting healthy blood flow, circulation, cardiovascular function and athletic performance, with the beetroot and amino acids providing antioxidant support against oxidative stress from free radicals. Alongside resistance training and a balanced diet, Naka says it helps support exercise capacity, lean muscle development and workout recovery. Vegan, gluten free and made in Canada.

Vitamins Lowest Prices | Lowest Price in Canada — Guaranteed | Ships from Ontario across Canada

Quick Facts

Who Naka NOX Is For

• Lifters and endurance athletes who want the pump and blood-flow side of training without a stimulant pre-workout
• Anyone who would rather cover the nitric oxide pathway from three directions than buy a single amino acid
• People taking it for circulation and cardiovascular support rather than the gym — that is the lower end of the label range
• Shoppers who want a dose they can scale: two capsules a day, or six on training days, from one bottle

Who this product is NOT for: anyone who wants one ingredient at a serious dose. At 500 mg of arginine per serving this is a blend, not an arginine product — Naka Platinum Pro L-Arginine 600mg gives more arginine in one capsule than NOX does in two. The 50 mg of beetroot is a supporting amount too, so if beetroot nitrates are what you came for, Naka Platinum Organic Beetroot 1400mg and Naka Organic Beetroot Powder are the real doses.

Vitamart's Take

We stock this because it is the sensible shape for a nitric oxide product. Citrulline leads the formula, which is the right call — it is the better-absorbed of the two amino acids — with arginine and beetroot behind it covering the other routes to the same molecule. For someone who wants circulation and pump support without assembling three bottles, one capsule doing all three jobs is a simpler purchase, and the 90-count is a low-commitment way to find out whether you notice anything.

The honest trade-off is that spreading across three ingredients means none is at a standalone dose. Citrulline research sits well above what two capsules provide, and 50 mg of beetroot is the flavour of the idea rather than a nitrate dose. The way to use NOX properly is the label's upper end — 2 capsules three times a day — which is where the citrulline gets closer to meaningful and the 240-count size makes sense. Buy it as a convenient combined formula, not as a high-dose anything.

How Naka NOX Compares

There are three ways onto the nitric oxide pathway, and the aisle divides neatly along them: arginine directly, citrulline as a precursor, or dietary nitrates from vegetables. NOX takes all three.

• Versus single-ingredient arginine: Naka Platinum Pro L-Arginine is 600 mg of arginine per capsule and nothing else, at twelve capsules a day. NOX trades that dose for breadth and a far lower capsule count.
• Versus beetroot: Red Beetroot Supplements work by the nitrate route, with no amino acids involved. NOX carries beetroot for antioxidant support, not as its engine.
• Versus pure citrulline: Citrulline Supplements let you take the lead ingredient at gram-scale doses. NOX gives 666.6 mg a serving plus the other two actives.
• Versus a pre-workout: most of Pre-Workout Supplements build on caffeine and sell a noticeable hit. NOX has no stimulant and works on circulation only.

Why Citrulline and Arginine Together?

Nitric oxide is not something you can swallow — it is a gas your blood vessel lining makes on demand, and it has one direct precursor: the amino acid arginine. An enzyme family called nitric oxide synthase converts arginine into nitric oxide, which signals the smooth muscle around a vessel to relax. That relaxation is the mechanism behind every claim in this category: wider vessels, more blood flow, more oxygen and nutrients reaching working muscle.

The complication is that swallowed arginine does not survive the trip well. An enzyme called arginase, abundant in the gut wall and the liver, degrades a large share of an oral arginine dose before it reaches circulation — which is why arginine-only labels ask for such large amounts. Citrulline is the workaround: the body absorbs it efficiently, arginase does not touch it, and it converts into arginine internally — raising blood arginine more reliably than arginine taken by mouth. Citrulline also feeds the cycle that recovers arginine after nitric oxide has been made, so the two are not redundant: arginine is the immediate substrate, citrulline keeps resupplying it. That is why NOX is weighted the way it is, 333.3 mg of citrulline to 250 mg of arginine.

How To Use

Adults: (Source of an antioxidant/non-essential amino acids) 2 capsules 1–3 times per day. (Workout supplement/Assists in the building of lean muscle tissue/mass/supports an increase in athletic performance) 2 capsules 3 times per day.

Frequently Asked Questions

Pairs Well With

• Nitric Oxide Boosters — the category this belongs to, for comparing routes and doses
• Increase Muscle Pump — the training goal this is bought for most often
• Heart Health — where the circulation claims sit

💡 Subscribe & save up to 10% on every order — never run out of your daily supplements.

Compare Similar Products

• Naka Platinum Pro L-Arginine 600mg — the single-ingredient option, higher arginine, far more capsules
• Naka Platinum Organic Beetroot 1400mg — the nitrate route at a real beetroot dose
• Naka Organic Beetroot Powder — the same nitrate route as a scoop rather than a capsule
• Citrulline Supplements — this formula's lead ingredient on its own, at higher doses

About Vitamart

Vitamart.ca is Canada's vitamin specialist. We've shipped from our Ontario warehouse to Canadian families since 2005, backed by our Low Price Guarantee: find a lower advertised price at a Canadian competitor and we'll beat it by 1¢. We believe in quality products you trust at prices you love.

Vitamins Lowest Prices.

Adults: (Source of an antioxidant/non-essential amino acids) 2 capsules 1-3 times per day.

(Workout supplement/Assists in the building of lean muscle tissue/mass/supports an increase in athletic performance) 2 capsules 3 times per day.