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NAD+ · Quercetin · Resveratrol

Cellular support, every day.

500mg NAD+ with quercetin and resveratrol in a fully disclosed, two-capsule daily formula.

  • Promotes normal cell function*
  • Aids in the normal aging process*
  • Supports cardiovascular health*
30-day supply1 bottle delivered every month$25.49

Renews every 30 days at $25.49 plus applicable tax until canceled. Skip, pause, or cancel from your CORTEX account.

60 capsules30-day supplySecure checkout
500mgNAD+250mgQuercetin150mgJapanese knotweed extract30Daily servings

Everything up front

The answers, before the cart.

What It Does

Each two-capsule serving delivers 500mg NAD+ with quercetin and Japanese knotweed extract standardized to 98% resveratrol—chosen to support normal cellular function and the normal aging process.* One formula, made for consistent daily use.

Who It's For

Adults who want a straightforward, fully disclosed daily supplement for cellular energy and healthy aging support. Not for use by those under 18. Consult a physician if you are pregnant, nursing, have a medical condition, or take medication.

Key Benefits

Promotes normal cell function, aids the normal aging process, and supports cardiovascular health with quercetin and resveratrol-containing Japanese knotweed.* Every active amount is printed on the label—no proprietary blend to hide behind.

How To Use

Adults take two capsules daily with about 6 oz (177 ml) of water, or as directed by a healthcare professional. One 60-capsule bottle is 30 two-capsule servings—about a month per bottle.

Quality, Testing & Certifications

Built to be transparent. The exact amount of every active ingredient appears on the Supplement Facts panel, with no proprietary blend, so you can see precisely what you take in each serving.

Supplement Facts

Per two-capsule serving: 500mg NAD+, 250mg quercetin dihydrate extract, and 150mg Japanese knotweed extract standardized to 98% resveratrol. 60 capsules per bottle · 30 servings. See the complete label →

CORTEX NAD+ beside a glass of water on a morning kitchen counter

A straightforward daily formula

Two capsules. Three fully disclosed actives.

Each serving combines 500mg NAD+ with quercetin and Japanese knotweed extract standardized to 98% resveratrol. No proprietary blend.

Read the complete label →
CORTEX NAD+ with Japanese knotweed root, pale flowers, capsules, and a laboratory watch glass

What is inside

The amounts are on the front for a reason.

500mg

NAD+

Included to support normal cellular function.*

250mg

Quercetin

Dihydrate extract sourced from Japanese pagoda tree flower bud.

150mg

Japanese knotweed

Root extract standardized to 98% resveratrol.

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What the label says

Daily support without the oversized promises.

  1. 01
    Promotes normal cell function*

    Centered on a fully disclosed 500mg serving of NAD+.

  2. 02
    Aids in the normal aging process*

    A two-capsule formula made for consistent daily use.

  3. 03
    Supports cardiovascular health*

    With quercetin and resveratrol-containing Japanese knotweed.

CORTEX NAD+ packed in a canvas tote on a park bench

Nothing hidden

The complete label, before you buy.

Review the serving size, active amounts, other ingredients, directions, and cautions.

Serving size
2 capsules
Servings
30
Active ingredients
3
Proprietary blends
0
Complete CORTEX NAD+ label and Supplement Facts panel
Complete product label · serving size: two capsules
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How to take it

Two capsules, once a day.

  1. 01

    Take one two-capsule serving daily.

  2. 02

    Use 6 oz (177 ml) of water.

  3. 03

    Follow your healthcare professional’s direction when applicable.

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Product questions

The practical details.

What is in each serving?

Each two-capsule serving contains 500mg NAD+, 250mg quercetin dihydrate extract, and 150mg Japanese knotweed extract standardized to 98% resveratrol.

How do I take CORTEX NAD+?

Adults take two capsules daily. For best results, take with 6 oz (177 ml) of water or as directed by a healthcare professional.

How long does one bottle last?

One bottle contains 60 capsules, equal to 30 two-capsule servings when used as directed.

Is every active amount disclosed?

Yes. There is no proprietary blend. The exact amount of every active ingredient appears on the Supplement Facts panel.

Who should consult a physician before use?

Consult a physician if you are pregnant, nursing, under 18, have a medical condition, or take medication. Do not exceed the recommended dose.

CORTEX NAD+

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CORTEX NAD+ beside a glass of water on a morning kitchen counter