Dr. Holly Johnston
Naturopathic Doctor

Laboratory Testing
Dr. Holly frequently uses laboratory testing to help her understand the cause of your symptoms.
Some of the tests that Dr. Holly may suggest are:
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Thyroid Hormone Profile
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Nutrient Level Testing (iron, vitamin B12, vitamin D, zinc)
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Food Intolerance Testing (IgG/IgE/IgA food sensitivity testing)
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Cardiovascular Profile
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Salivary Hormonal Testing (cortisol, DHEA, female & male hormones)
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Blood Hormonal Testing (DHEA, insulin, male & female hormones)
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Urinary DUTCH Hormonal Testing
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Digestive Stool Analysis + Parasitology
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Urinary Organic Acid Testing
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SIBO Breath Testing
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Stool Microbiology
