Taissa Castelló — Brazilian Nutritionist Online

Online Brazilian Nutritionist
Specialized in Gut Health

Taissa Castelló — clinical nutritionist (CRN-4 25106120). Evidence-based nutrition for celiac disease, SIBO, food allergies, autoimmune conditions, and women’s health. Consultations online, worldwide.

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About Taissa

I’m a clinical nutritionist based in Brazil, passionate about science and about helping people understand their bodies, make peace with food, and build a healthy relationship with nutrition.

I work online with patients from all over the world, with a focus on gut health, celiac disease, SIBO, food allergies, and women’s health. Every protocol is individualized and evidence-based.

Areas of Expertise

Celiac Disease

Diagnosis support, dietary adaptation, and long-term clinical follow-up for celiac patients.

SIBO

Elimination diet, monitored reintroduction, and individualized protocols for bacterial overgrowth.

Food Allergies

Safe exclusion diets and monitored reintroduction for IgE and non-IgE mediated allergies.

Autoimmune Conditions

Inflammatory modulation through targeted nutrition and gut health restoration.

Women’s Health

Fertility, pregnancy, and hormonal balance with evidence-based nutrition.

Weight Management

Sustainable, healthy weight loss with individualized nutritional support.

Latest Articles

Evidence-based content on gut health, celiac disease, SIBO, and more.

Celiac Disease: A Complete Guide

Symptoms, diagnosis, gluten-free diet, and how to thrive with celiac disease.

SIBO: Symptoms & Treatment

What SIBO is, how it’s diagnosed, and evidence-based nutritional protocols.

Allergies vs Intolerances

Key differences in symptoms, diagnosis, and dietary management.

Ready to transform your relationship with food?

Online consultations worldwide. First consultation with complete analysis.

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