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Your health and well-being should also be a focus of your “spring clean.” Here are tips and tricks to help you navigate spring and step into summer.

Nearly 80% of Americans take vitamins and supplements when FDA approval isn't required before new supplements enter the market. This makes third-party testing crucial for safety. ER visits, hospitalizations, and deaths have been linked to tainted vitamins.

Are you counting sheep at night? Or watching television hoping your eyelids will grow heavy and you will blissfully drift off to sleep? If you're struggling to get enough rest it's time to get back to basics: relax, create a bedtime ritual, move your body during the day. These and other tips from Health By Principle will help you sleep at night.

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Vitamins D2 and D3 are essential for the absorption of calcium in your gut, which aids bone growth and your immune and neuromuscular systems. Nearly half the US population is deficient in vitamin D, but too much can be dangerous. Learn more about IUs and bioavailability to select the best vitamin D supplement.

It's time to crack out the sunscreen now that the weather is getting warmer! But what does it actually mean for your vitamin D production?