Flowers and people need many of the same requirements to be healthy. Both need water to live, require many of the same nutrients such as calcium, potassium, and magnesium, while both have need of sunshine for photosynthesis. In plants, photosynthesis creates sugars and starches by the conversion of carbon dioxide and water using the sun’s energy. People obtain vitamin D through photosynthesis. Vitamin D is synthesized in the skin through a photosynthetic reaction triggered by exposure to sunshine.1

Source: – Multivitamin