3. Vitamin D

Over 40% of adults in the U.S. are vitamin D deficient. Natural sunlight is the best way to curb deficiencies, but a vitamin D supplement is also a good way to improve vitamin D levels, especially during the winter months or when you spend most of your day cooped up in an office.

Vitamin D deficiency leads to fatigue, among a host of other side effects, which can negatively affect your productivity in the morning and the rest of the day. Taking Vitamin D, along with a daily dose of sunlight, is one way to help combat fatigue and become the best version of yourself in the morning