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The New Standard
of Thyroid Health
The New
Standard of
Thyroid Health

Thyroid Health is the north star to unlocking whole-body health. At Duyu Care we believe in creating health rather than fighting disease by developing scientifically-studied products that support your thyroid function and overall health.

Your Endocrine

System, Optimised

Thyroid Hero®

[01]

Your thyroid is your body's silent hero, tirelessly working behind the scenes to keep your metabolism, energy levels, and mood in check.

[02]

The thyroid gland requires several key nutrients for optimal function. These nutrients are essential for the production, conversion, and regulation of thyroid hormones.

[03]

Our nutritionist-formulated, full-spectrum supplement delivers these essential vitamins, minerals and adaptogens in one daily serving.

[04]

Caring for your thyroid made easy.

Immune Function

Antioxidant Defence

Metabolic Function

Weight Maintenance

Cognitive Function

Balanced Energy, Reduced Fatigue + Brain Fog, Mood + Stress Regulation

Menstrual Health

Period Regularity Symptom Relief

Skin Health

Shinier Hair, Stronger Nails Hydrated Skin

Hey, no spoilers, but your recovery and feeling like
yourself again are on the horizon.
Hey, no spoilers, but your
recovery and feeling like
yourself again are on the
horizon.

Say hello to thyroid
care that truly cares
about you.

About us

We Share Your
Lived ExperienceLived
Experience

In November 2020, co-founders and partners Marie Peinert and Raphael Reuben discovered that Marie suffered from an autoimmune thyroid condition. Together, they embarked on the journey to recovery through holistic care. Like Marie, 800 million people worldwide are affected by thyroid conditions. Duyu Care exists to help those living with and managing these chronic conditions daily and provide best-in-class preventative care for everyone else.

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Through my personal health journey, I've come to realise that empowering individuals to take charge of their own health has the potential to revolutionise our approach to healthcare.

Marie Peinert, Duyu Co-Founder & CEO

WHY WE’RE DIFFERENT MODULE
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Our Reactive
Proactive Approach

Healthcare, as it exists today, is often reactive, exclusively prescriptive, and only treats the symptoms — not the human.

The daily challenges of managing chronic stress, exposure to toxic pollutants, inflammation, and nutrient-deficient diets are unavoidable. It's never too early to incorporate healthy habits because maintaining well-being requires a proactive, preventative approach.

Care for Every
Body

Wherever you are on your healing journey, we've got you. Duyu provides holistic solutions that empower agency over your body and daily choices. In addition to providing science-backed supplements to support your thyroid health, immune response, and digestive function, we also offer on-demand testing for radically better understanding and personalised protocols to support your unique health goals.

Daily Rituals
Powered By Science

We care about the cold, hard facts. Duyu is your go-to health and wellness partner — we formulate a clean and potent Full-Spectrum Thyroid Supplement made with 13 scientifically studied ingredients proven to support your thyroid, whole-body health, and day-to-day well-being.

Good Habits
Are Cool

Health relies on our daily choices. Health is a verb. It's an active pursuit. It's also self-defined. We want to live in a world where illness is optional — or at least — navigable or preventable due to daily lifestyle choices such as diet, exercise (movement), mental health, sleep hygiene, and having a sense of community. Duyu is a community that supports your preventative routines/ good-habit lifestyle.

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Did you know?
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Over 800 million people worldwide are affected by

Thyroid Conditions

Science

Why our approach is
approach is
important

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Citations

question

1. "Symptoms of Thyroid Problems." UPMC South Central Pennsylvania
Endocrinology. Retrieved from https://www.upmc.com/services/south-central-pa/endocrinology/thyroid/symptoms
2. "The majority of thyroid patients still suffering years on from diagnosis" (2023). University of Aberdeen. Retrieved from https://www.abdn.ac.uk/ news/17040/
3. Santos, L. R., Vasconcelos Bessa, I., Gaspar da Rocha, A., Neves, C., Freitas, C., & Soares, P. (2023). Survey on selenium clinical supplementation in autoimmune thyroid disease. European thyroid journal, 12(2), e220090. https://doi.org/10.1530/ETJ-22-0090

1. "Symptoms of Thyroid Problems." UPMC South Central Pennsylvania Endocrinology. Retrieved from https://www.upmc.com/services/south-central-pa/endocrinology/thyroid/symptoms
2. "The majority of thyroid patients still suffering years on from diagnosis" (2023). University of Aberdeen. Retrieved from https://www.abdn.ac.uk/news/17040/
3. Santos, L. R., Vasconcelos Bessa, I., Gaspar da Rocha, A., Neves, C., Freitas, C., & Soares, P. (2023). Survey on selenium clinical supplementation in autoimmune thyroid disease. European thyroid journal, 12(2), e220090. https://doi.org/10.1530/ETJ-22-0090

1. "Symptoms of Thyroid Problems." UPMC South Central Pennsylvania Endocrinology. Retrieved from https://www.upmc.com/services/south-central-pa/endocrinology/thyroid/symptoms
2. "The majority of thyroid patients still suffering years on from diagnosis" (2023). University of Aberdeen. Retrieved from https://www.abdn.ac.uk/news/17040/
3. Santos, L. R., Vasconcelos Bessa, I., Gaspar da Rocha, A., Neves, C., Freitas, C., & Soares, P. (2023). Survey on selenium clinical supplementation in autoimmune thyroid disease. European thyroid journal, 12(2), e220090. https://doi.org/10.1530/ETJ-22-0090

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are undiagnosed

to get diagnosed

still experience symptoms after receiving treatment

of physicians recommend supplementation as a daily part of thyroid treatment

faq

Have questions?
questions?

Helping you

Feel better,
consistently.

Nutritional Supplementation is the most impactful when used routinely. Subscribing to Duyu ensures your 30-day supply of Thyroid Hero® reaches you without delay, so you don’t have to miss a day of benefits.