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Despite Australia being one of the sunniest countries in the world, 1 in 4 of us are vitamin D deficient. Vitamin D deficiency can be distressing, debilitating and disruptive.

The D-ficient Campaign for Ostelin, Australia’s #1 vitamin D brand, targeted healthcare professionals confronted by D-ficient Darcy’s and Dan’s. The creative executions were driven by a custom-made, deftly crafted D-ficient font.