Low vitamin D status can indicate underlying inflammatory problems, insulin resistance, or autoimmune issues.

“I made the point that you can't just take a few pills get yourself above 30 and be the person in the low risk group because that person got there by many routes meat fish eggs nutrient-dense foods you're gonna have a higher D status no matter how much do you get because it's it's a sign or a master marker of inflammatory problems inflammatory issues or insulin resistance issues or autoimmune issues they're gonna lower your D so the person whose book above 30 will strongly tend to be a person who is none of these problems”