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Functional Nutrition Therapy in Oakland, CA
At 23 Nutrition Therapy, we specialize in functional medicine protocols designed to address the root causes of chronic health issues such as gut dysfunction, hormone imbalances, and detoxification challenges. Our approach combines personalized nutrition plans, comprehensive lab testing, and science-based interventions to deliver lasting solutions for symptoms like brain fog, fatigue, anxiety, and digestive distress. Founded on the principles of the Kalish Method, our practice prioritizes a systematic three-body-systems frameworkfocusing on the gut, hormones, and detox pathwaysto restore optimal health.

With over a decade of combined clinical experience, our team utilizes advanced diagnostic tools, including adrenal stress profiles, stool analysis, and organic acids testing, to create individualized treatment roadmaps. Our commitment to client-centered care is reflected in our virtual coaching model, which provides ongoing support through tailored supplement protocols, meal planning, and lifestyle modifications. We adhere to rigorous scientific standards while maintaining a compassionate, transparent approach to patient education and empowerment.
Services
Functional Nutrition Gut Health Testing Hormone Balance Detox Support Lab Analysis Meal Planning Virtual Coaching Supplement Protocols
Highlights and features
  • We utilize the Kalish Method's proven three-systems framework for root-cause resolution
  • Our virtual coaching model provides personalized lab-based treatment protocols
  • We combine advanced diagnostics with individualized nutrition and supplement plans
  • Our practitioners hold advanced degrees and specialized certifications in functional nutrition
  • We offer 20-week structured programs with ongoing support for sustainable health improvements
Associations and certifications
  • Kalish Institute
  • LEAP Certified
  • Academy of Nutrition and Dietetics
What people say
Personalized approach Significant improvements Knowledgeable staff Virtual convenience Comprehensive testing
Services
Functional Nutrition
Our functional nutrition approach identifies root causes of chronic symptoms through comprehensive lab testing and personalized dietary interventions. We specialize in resolving gut dysfunction, hormone imbalances, and detoxification issues using science-based protocols. Clients receive customized meal plans, supplement recommendations, and lifestyle modifications tailored to their unique biochemical needs.
Gut Health Testing
Advanced gastrointestinal assessments include stool analysis, SIBO breath testing, and microbiome evaluation to diagnose underlying digestive disorders. We identify food sensitivities, pathogenic bacteria, and intestinal permeability issues to create targeted healing protocols. Our lab-guided interventions restore gut health through dietary changes, probiotics, and antimicrobial therapies.
Hormone Balance
We address hormone imbalances through adrenal stress testing, thyroid function analysis, and sex hormone profiling. Our protocols combine nutritional support, adaptogenic herbs, and lifestyle modifications to regulate cortisol levels and improve hormonal communication. Clients experience reduced fatigue, improved mood stability, and better metabolic function.
Detox Support
Our detox programs use organic acids testing and environmental toxin screening to identify biochemical burdens. Personalized detoxification protocols include nutrient supplementation, dietary modifications, and lifestyle adjustments to enhance liver function and eliminate stored toxins. Clients report increased energy and improved cognitive clarity after completing our structured detox programs.
Lab Analysis
We utilize advanced diagnostic labs like Boston Heart and Great Plains to assess metabolic function, nutrient deficiencies, and systemic stressors. Testing includes comprehensive blood panels, food sensitivity analysis, and genetic markers for personalized treatment planning. Our practitioners interpret complex lab results to create actionable health improvement strategies.
People
Gayatri Saldivar
Functional Medicine Dietitian
Gayatri Saldivar, MS, RDN, LD, CLT, IFNCP, specializes in functional nutrition for chronic health conditions. With over 15 years of clinical experience, she combines the Kalish Method with LEAP certification to address gut health, hormone imbalances, and detoxification challenges through personalized nutrition plans.
Questions
What conditions do you treat?
We specialize in resolving chronic symptoms like brain fog, fatigue, anxiety, digestive issues, and hormone imbalances through functional nutrition and lab-guided interventions.
How does the lab testing process work?
After initial consultation, we order specialized tests (saliva, stool, blood) to identify root causes. Results guide personalized treatment plans addressing gut health, hormone balance, and detoxification needs.
Are virtual consultations effective?
Yes, our virtual coaching model delivers personalized care through phone sessions, digital lab tracking, and app-based meal planning tools for clients nationwide.
What makes your approach different?
We combine the Kalish Method's three-systems framework with advanced diagnostics and personalized nutrition plans to address root causes rather than managing symptoms.
How long does treatment typically take?
Most clients see significant improvements within two weeks, with comprehensive programs lasting 20 weeks to address all three body systems systematically.
Reviews (5)
Reagan Lolo
Dec 28, 2021 Report
Seeing first hand her passion and enthusiasm to help improve others' health though nutrition, I highly recommend her to anyone who's looking to get help from someone who actually cares.
Raymond Jr King
Dec 21, 2021 Report
One of the most knowledgeable and caring people I know. Goes above and beyond to make sure her clients get the best quality care. Every person is treated individually. Not a one size fit all that you see with today's nutrition experts. It's been an honor and a privilege to work with her. And am looking forward to the future with her. You've come to the right place if you want to optimize and improve your health
Danika Sonsa
Dec 16, 2021 Report
Thank you for taking such a detailed and systematic approach to diet! I appreciate the expertise I found here. Gayatri's commitment to helping people with unique needs using labs and science based solutions is unparalleled.
Mackenzie Stanley
Oct 06, 2021 Report
I have been on the Adrenal Stress protocol for about three weeks and can already feel a difference with mental clarity. While studying for Organic Chemistry, I have been able to memorize, understand and pick up on things quicker than I ever have before!
Stephanie Siehr
Jul 31, 2021 Report
Gayatri is so knowledgeable and very responsive. She swiftly honed in on my specific issues and was able to explain the details. I learned more in the initial sessions with her than in years of searching for help with fatigue and gut issues. Well-organized and supportive apps. I highly recommend her.