Evidence-based supplement dosing

Find Your
Optimal Dose

Explore evidence-based calculators to help you discover personalized dosing for supplements, nutrition, and herbal support — tailored to your health goals.

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SMART TOOLS

Committed to Quality

Personalized, evidence-driven tools created to help you optimize nutrition, hormones, and wellness.

Doctor Created

Designed by a licensed naturopathic doctor and functional medicine practitioner.

Evidence Based

Built from current guidelines and peer-reviewed research.

Clinically Tested

Recommendations grounded in real-world clinical practice.


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Supplement Dosing Calculators

Vitamin D Calculator
Protein Intake Calculator
Magnesium Calculator
Iron Calculator
Omega-3 Calculator
New
Probiotic Calculator
Zinc Calculator

Practitioner-selected

Want a simpler way to choose a quality supplement?

I’ve pulled together supplements I trust and commonly recommend, selected with quality, formulation, and practical dosing in mind so you can spend less time sorting through endless options.

Shop My Supplement Picks

Transparency note: Purchases made through this storefront by non-patients may generate a small profit.

About the Creator

Dr. Linda Nykin, Naturopathic Doctor

Dr. Linda Nykin ND

Naturopathic Doctor · Certified Functional Medicine Practitioner

Dr. Linda Nykin is the founder of Pacha Integrative and Naturopathic Medicine in Berkeley, California, specializing in women’s health, gut health, and hormone balance. Her practice combines evidence-based medicine with a root-cause, integrative approach to care.

Clinical expertise, made accessible.

Dr. Nykin built these tools to answer the questions she hears most in practice — translating clinical nuance into clear, evidence-based recommendations personalized to each individual.

Visit Pacha Integrative Medicine

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