Nutrients are those organic and inorganic compounds that a living organism must acquire from the environment to support essential life processes, including basal metabolism, growth and maintenance of body tissues, activity, reproduction, and maintenance of general health.
Because Invisalign is Orthodontic Treatment it is usually covered by your FSA. The best person to ask is your HR team and confirm that they don't have any stipulations in this regard. November 28th, 2011.
You can use a Health FSA to pay for health care expenses incurred by qualified individuals. Dependent care expenses must be incurred during the coverage period - including the grace period - so you (and your spouse, if married) can work or look for work.