that natural medicines often affect lab results
Many patients don't realize that natural medicines often affect lab results.
Our Natural Medicines Comprehensive Database identifies over 200 different products that can alter lab tests. Some actually cause problems detected by tests...others just interfere with test results.
Thyroid function tests. Soy can inhibit thyroid production and might elevate TSH levels. Kelp or bladderwrack contains iodine and can increase thyroid levels.