SpectraCell Micronutrient Testing helps identify deficiencies at the cellular level so you can stop guessing and start building a wellness plan based on real data. More energy. Better recovery. Stronger immune Spectracell Fortitude Functional Nutrition Purser Wellness Desert Sierra Medical Diagnostics Functional Labs: Micronutrient Testing IndividuWELL Commercial laboratories offer panels of tests evaluating intracellular levels of micronutrients (essential vitamins and minerals