Vitamin D

Sorry, ab-ficionados! Taeyang* is not a substitute for real sunlight =(

*His stage name, Taeyang, literally means "sun" in Korean.

Just in time for summer. Throw some D’s on it.

To put it bluntly, you need this shit! I really can’t think of anything else with a higher Return On Investment for your body than fixing a Vitamin D deficiency. It’s super easy to do and elicits vast improvements in how you look/feel/perform. Not only do adequate levels of D correlate with greater loss of abdominal fat, but the issues that stem from deficiency pretty much looks like a list of every modern ailment. It also enhances various markers of athletic performance, including muscle synthesis. How the hell is this thing so awesome? In The 4-Hour Body, Tim Ferriss states that D is a “steroid hormone and regulates more than 1,000 vitamin-D responsive genes,” meaning it interacts with most, if not all, parts of your system.

I’m not saying fixing your D is going to make you a fucking invincible Wolverine, especially if your food, stress, and sleep are out of wack. But it’s a step in the right direction, and the damn easiest. Continue reading