The majority of people are deficient in Vitamin D and are unaware, even those who live in ‘sunshine’ states/countries. Taking a D supplement along with appropriately timed sun exposure can help to lift one’s mood, increase energy, alleviate depression, support bone health and many other benefits. However most D supplements on the market today are not very absorbable by the body and end up costing you money for little to no benefit. Systemic Formulas has designed one of the most effective D3 supplements on the market today by coming the D with K2, Zinc, Calcium, Magnesium, Potassium and Vitamins A, C and E.