Vitamin D is necessary for maintenance of healthy bones and teeth, cell growth and differentiation, immune system health, neuromuscular function and more. It is found in very few foods; fortified milk, soy beverages, cereal products are a few examples. Vitamin D requirements may vary based on age and sex.

The Sleep Profile is a non-invasive saliva test that assesses two major causes for insomnia: imbalances in melatonin and cortisol. Melatonin is a peptide hormone produced by the pineal gland which helps to control normal sleep patterns.