Precision Lab Testing, Brought to Your Door

Dr. John Kasawa, MD brings high-quality lab testing directly to you—wherever you are in San Diego or the surrounding areas. You’ll get one-on-one care in the comfort of your home, with testing for micronutrients, toxins, heavy metals, stress hormones, and allergens. No waiting rooms, no rushing—just personalized attention, clear results, and expert guidance to help you understand your health and take the next steps with confidence.

Confidence Starts with Caring for You.

Our Services

Micronutrients

Discover if your body is getting the essential vitamins and minerals it needs. Micronutrient testing helps identify deficiencies that may be affecting your energy, immunity, or overall health.

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Toxins

Uncover hidden environmental toxins that may be impacting your well-being. This test checks for exposure to substances commonly found in food, water, and everyday products.

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Heavy Metals

Test for harmful levels of heavy metals like lead, mercury, and arsenic. Long-term exposure can affect the nervous system, kidneys, and more—even without obvious symptoms.

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Stress Hormones

Gain insight into how your body is handling stress. Measuring cortisol and related hormones can help explain fatigue, weight changes, mood swings, and sleep issues.

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Allergens

Identify common allergens that could be triggering inflammation or chronic symptoms. Testing covers food sensitivities, environmental allergens, and more.

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