Between early classes, late-night study sessions, campus activities and time with friends, college students have plenty to keep them busy. With so much happening, nutrition can sometimes become an afterthought.

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A customer shops for produce in an H-E-B grocery store in Austin, Texas, on May 11. Brandon Bell/hide caption

Shorter days and colder weather can make it harder to stay on track. Here are four supplements to consider over winter, including vitamin D3, B vitamins and magnesium – and why food and professional advice still matter.