





'True Fucoidan' is Real Fucoidan
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Haitai: A Brand You Can Trust –
Backed by multiple third-party tests across different countries
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All Pure, Potent, and Proven –
Our fucoidan is rigorously tested for authenticity and quality.
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Say No to Fake Supplements –
Haitai stands for transparency, purity, and real results.

Why Mozuku Seaweed?
1. Mozuku seaweed has more than double the amount of fucoidan per 100g compared to other seaweeds.
2. Mozuku seaweed has very little aliginic acid and other components inside cell walls compared to other seaweeds making it easier to extract pure fucoidan.
3. Mozuku seaweed has softer cell walls, making extraction easier compared to tougher seaweeds like kombu or wakame.

Premium Bioactive Ingredients
- Premium complex of fucoidan derived from Mozuku seaweed
- All Mozuku seaweed is sustainably harvested in Okinawa
- Mozuku seaweed is known for its soft linings, facilitating the extraction of high-quality fucoidan
- Standardized to ≥ 85% fucoidan
- Fucoidan is gently processed: heated to 90°C, then cooled, filtered, and spray dried
- Cultivated in pristine waters, far from environmental pollution, without the use of fertilizers
- Laboratory tested for heavy metals
- Vegan: no use of animal products during cultivation or otherwise
A Real Supplement that Delivers.
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Others |
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Made from Mozuku |
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Real ≥ 85% Fucoidan |
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Local Manufacturing |
What customers have to say about True Fucoidan...
98%
High satisfaction with our lab-tested and ethical production process.
92%
Users reported feeling more energetic and balanced.
99%
Users value truth on the label, a promise that our supplement truly contains high amounts of pure fucoidan.
* According to post purchase surveys.
Why this Fucoidan Supplement?
Sustainably harvested
≥ 85% Pure fucoidan
Lab-tested for purity
Gentle, eco-friendly processing
100% Vegan and ethical
High Quality
Sustainably harvested
≥ 85% Pure fucoidan
Lab-tested for purity
Gentle, eco-friendly processing
100% Vegan and ethical
High Quality
Sustainably harvested
≥ 85% Pure fucoidan
Lab-tested for purity
Gentle, eco-friendly processing
100% Vegan and ethical
High Quality
Sustainably harvested
≥ 85% Pure fucoidan
Lab-tested for purity
Gentle, eco-friendly processing
100% Vegan and ethical
High Quality

FAQ
1. What is Fucoidan?
Fucoidan is a sulfated polysaccharide found in seaweed. It contains various sugars, including fucose, which is crucial for cell-to-cell communication within the algae. Fucoidan is a long-chain compound made up of fucose and sulfate, along with other sugars such as galactose, xylose, and mannose. In Mozuku seaweed, fucoidan is primarily located in the cell wall and mucus layer, where it protects the algae from pathogens and disease.
2. What makes your fucoidan different from others?
Our fucoidan is derived exclusively from Mozuku seaweed, sustainably harvested in Okinawa. Unlike supplements that use generic brown algae, thanks to mozuku seaweed our product is standardized to ≥ 85% fucoidan, ensuring unmatched purity and quality.
3. What is the recommended dosage?
Take 2-5 capsules daily before or after a meal with water.
4. Is this product vegan-friendly?
Yes! Our supplement is 100% vegan, including the HPMC capsules, which are free from animal-derived ingredients and controversial additives like carrageenans or PEG.
5. How to store it properly?
Store it in a cool, dry place away from direct sunlight and heat to maintain its freshness and potency.
6. How is the fucoidan processed?
The Mozuku seaweed undergoes gentle processing: it is heated to 90°C, cooled, filtered, and spray-dried to maintain its bioactive properties and purity.
7. Where is this product made?
Our fucoidan is sourced and manufactured in Okinawa, Japan, adhering to strict quality and safety standards.
8. Can I take this if I have dietary restrictions?
Yes! Our supplement is vegan, gluten-free, and free from artificial additives, making it suitable for most dietary needs.
9. What are the benefits of taking fucoidan?
Fucoidan is known for its bioactive properties, which may support digestion, immune health, and overall vitality.
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