Lack of space on the road isn’t the only hazard we face in the winter – you’ve also got to take care of your vitamin D. Short, cold days can cause our body’s vitamin D production to plummet, but the good news is you can make up the difference by adding these items into your diet: “6 Fish That Are Highest in Vitamin D.” Rainbow trout leads the pack with 16.2 micrograms per 3-ounce serving (81% of your daily value), followed closely by mackerel at 16.1 micrograms and salmon at 14.2 micrograms. Why does this matter more in winter? “Getting adequate vitamin D in the fall and winter” explains that your body needs direct sunlight – specifically when the sun is high in the sky – to effectively absorb vitamin D, and in colder months, you’re likely spending more time indoors or bundled up. Dr. Mike Ren recommends 15-30 minutes of direct sunlight daily, or a 5,000 IU supplement if you’re spending most of your time inside. But vitamin D isn’t the only nutritional factor affecting your energy and mood – blood sugar stability plays a role too, according to: “I Measured My Blood Sugar For 2 Weeks — Here’s What Kept It From Spiking.” The author tested popular blood sugar hacks and found that eating vegetables first and taking short 5-10 minute walks after meals were most effective at preventing spikes and crashes that can leave you tired or irritable.

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