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Great Billiom premium research-backed supplements — Nattokinase for heart and circulation, DAO Enzyme for digestive comfort, and Citicoline for memory and focus.

GREAT BILLIOM

Premium, research-backed supplements for heart, gut and brain health

Research-Dose Supplements: Nattokinase 10,800 FU, DAO Enzyme & Citicoline

Products Designed For You

Nattokinase 10,800 FU

Extra-strength nattokinase with serrapeptase and Vitamin K2 MK-7. Formulated at the dose used in the 2022 Chen study of 1,062 participants.

Great Billiom Nattokinase 10,800 FU supplement bottle with serrapeptase and Vitamin K2 MK-7 on a slate blue and bronze editorial backdrop.
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DAO Enzyme 30,000 HDU

High-potency diamine oxidase enzyme for dietary histamine breakdown. Formulated to support comfortable digestion and everyday gut health.

Great Billiom DAO Enzyme 30,000 HDU supplement bottle on a warm terracotta and burnt orange editorial backdrop with white capsules.
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Citicoline (CDP Choline)

Clinically-researched nootropic at the premium 1,000mg daily dose. Formulated to support memory, attention, and everyday cognitive clarity.

Great Billiom Citicoline CDP Choline 1000mg supplement bottle on a periwinkle and lavender editorial backdrop with white capsules.
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Citicoline at a glance:

1,000 mg of citicoline (CDP choline) in every 2-capsule serving, with no caffeine or sugar.

— The dose

DAO Enzyme at a glance:

30,000 HDU of DAO per capsule, taken 10 to 15 minutes
before a meal.

— How it’s used

Nattokinase at a glance:

10,800 FU per serving, with Vitamin K2 MK-7 180 mcg and serrapeptase 240,000 SPU.

— The formula

Nattokinase 10800 FU, Vitamin K2 MK-7, Serrapeptase - How it works
Couple sharing pizza at home. Text: Goodbye mealtime worry, enjoy your favorites. Great Billiom DAO Enzyme.
DAO Enzyme - 30,000 HDU - Food Histamine Blocker
Older couple walking in a park. Text: Your daily wellness ritual, support your heart daily. Great Billiom Nattokinase.
Great Billiom DAO Enzyme quality checklist: Made in USA, GMP certified, non-GMO, gluten-free, 3rd party lab tested, delayed-r
Great Billiom’s best memory supplement – improve recall, clarity, and concentration with high-quality brain vitamins.

3rd Party
Lab Tested

Great Billiom is an American nutrition supplement brand dedicated to providing premium supplements for optimal health. Every formula is crafted with care and third-party tested for quality and purity.

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