Key Takeaways

Seasonal affective disorder (SAD) is a form of depression that occurs most commonly in the fall and winter due to less sunlight.

Supplements such as vitamin D, omega-3s, and B vitamins may help.

Always consult a healthcare provider before adding supplements to your routine.

Seasonal affective disorder (SAD) is a type of depression that occurs during specific times of the year, most often in the late fall and winter when there is less sunlight. About 5% of people in the United States experience SAD, and it’s more common in women and those living in northern regions with shorter days.

1. Vitamin D

Vitamin D is known as the "sunshine vitamin" because your body makes it when your skin is exposed to sunlight. In the winter, reduced exposure to sunlight can lead to a drop in

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