Retinox BloodFlow-7 Nitric Oxide

BloodFlow-7 is a complete circulation support formula — a precisely dosed blend of seven natural compounds that work together to support healthy nitric oxide production, vessel function, and full-body blood flow. It supports the body's natural ability to dilate vessels, deliver oxygen, and maintain the daily energy and vitality that quietly fade after age 35.

Unlike single-ingredient formulas or "patch" products that work for a few hours and wear off, BloodFlow-7 is built to support the entire nitric oxide pathway with clinically-studied amino acids, nitrate-rich plant extracts, and circulation-supporting botanicals — all in two daily capsules.

Manufactured in an FDA-registered, GMP-certified facility. No synthetic fillers, no dyes, no proprietary blends.

Each two-capsule serving of BloodFlow-7 contains seven nitric oxide–supporting compounds: L-Citrulline (a precursor amino acid the body converts to L-arginine for nitric oxide production), L-Arginine (the direct substrate for nitric oxide synthesis), Beetroot Extract (a concentrated source of dietary nitrates), Pine Bark Extract (rich in pycnogenol-class antioxidants), Hawthorn Berry Extract (traditionally used to support cardiovascular function), Grape Seed Extract (a source of vascular-supporting polyphenols), and Vitamin C (supports nitric oxide stability and vessel health) — every ingredient listed transparently at its actual dose, with no proprietary blends.

Most men over 35 quietly accept that lower energy, weaker circulation, slower recovery, and reduced performance are just "part of getting older." They're not. They're symptoms of one underlying mechanism — declining nitric oxide production — and the cascade of effects it sets off throughout the body.

Nitric oxide is the molecule your body uses to signal blood vessels to relax and expand. When NO levels are healthy, vessels dilate properly, blood flows freely, and oxygen and nutrients reach every part of the body — including the brain, the muscles, and below the waist. After age 35, NO production drops every year. Vessels stop opening the way they used to. Circulation gets quietly restricted. And the symptoms most men dismiss as aging start showing up.

BloodFlow-7 supports the nitric oxide pathway at four critical levels:

✅ NO Precursor Support — break down the amino acid building blocks the body needs to produce nitric oxide naturally on demand.

✅ Dietary Nitrate Support — feed the body plant-based nitrates that convert to nitric oxide through a separate, complementary pathway.

✅ Vessel & Antioxidant Protection — calm everyday oxidative stress that breaks down nitric oxide before it can do its job.

✅ Cardiovascular Support — provide traditional botanical support for healthy heart and circulatory function.

The result: Each capsule supplies the body with multiple, complementary forms of nitric oxide support. Vessels relaxed. Energy steady. Circulation supported daily — the way it's supposed to work.

No more single-ingredient guesswork. No more accepting that this is just what 40, 50, or 60 is supposed to feel like.

Multiple peer-reviewed studies have examined the individual compounds in BloodFlow-7 and their role in supporting nitric oxide production, vessel function, and cardiovascular health. Each ingredient was selected for its mechanism and the body of supporting research behind it — not because it's trendy, but because it works.

Doses of L-Citrulline (1,000 mg) have been shown to convert to plasma L-arginine more efficiently than L-arginine itself, supporting sustained nitric oxide production over hours rather than minutes.

Clinical research on the BloodFlow-7 ingredient family:

• ✅ L-Citrulline (1,000 mg) — Studied for sustained nitric oxide production and healthy blood flow support.
• ✅ L-Arginine (500 mg) — The direct substrate for nitric oxide synthase, the enzyme that produces nitric oxide in the body.
• ✅ Beetroot Extract (500 mg) — Concentrated dietary nitrates that convert to nitric oxide through the nitrate-nitrite-NO pathway.
• ✅ Pine Bark Extract (100 mg) — Pycnogenol-class antioxidants studied for vessel function support.
• ✅ Hawthorn Berry Extract (250 mg) — Used for centuries in traditional European herbalism for cardiovascular support.
• ✅ Grape Seed Extract (100 mg) — OPCs studied for vessel health and circulation support.
• ✅ Vitamin C (60 mg) — Supports nitric oxide stability and contributes to healthy vessel collagen.

BloodFlow-7 delivers all seven compounds in a single daily serving — a complete stack designed to support the full nitric oxide pathway, not isolated ingredients that work alone.

Retinox is made from natural, research-backed nutrients that are generally well-tolerated alongside other supplements and medications. That said, because everyone's situation is different, we always recommend checking with your doctor or pharmacist before starting any new supplement, especially if you're on blood thinners, diabetes medication, or being treated for an existing eye condition.

All orders ship FREE worldwide. Orders are usually processed within 1–2 business days, and you should receive your order within 5–10 business days for domestic orders. We also offer a 60-day money-back guarantee — if you are unsatisfied with our product, you can take advantage of our guarantee and ship back the product to us to get your return within 60 days of receiving your order.