Intolerance Testing

Discover what’s really behind your symptoms with our targeted intolerance and sensitivity tests. Whether you’re dealing with bloating, skin issues, low energy, or chronic discomfort, Holisys hair analysis tests offer real insight — not just random food lists.

✔ Symptom-led testing
✔ Easy at-home hair sample
✔ Actionable results with lifestyle guidance
✔ Optional supplement support to match your results

Test with purpose. Feel the difference