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.
Invisalign is only plastic. It is a tool, or device in the hands of a doctor who designs the sequence of aligners, placement of attachments and use of auxiliaries like elastics. It is a highly individualized plan for every patient that requires careful diagnosis and treatment planning.