If you’re seeking advice on how to successfully navigate a mid-life crisis, I’m probably not the guy. I am, however, uniquely attuned to my body from years of competing at a high level of bodybuilding.

If flashy labeling or fancy bottles are what draw you to a supplement, these are not for you. If a ton of research and statistically measured results are how you determine your supplement regimen, you need Mg and D3.

Vitamin D is an extremely important nutrient for health and performance outcomes.