[PA Engineer]

Possible. In the past there may not have been herd immunity acquired by supplement intervention.

My wife was shocked when all the blood work for her patients came back deficient for D. She does smack her head when she gets home after recommending the patients supplement. They always ask if there is a Rx covered by insurance.

[metmom]

Here’s a place that has good prices on supplements and they seem to be pretty good quality, too.

https://www.swansonvitamins.com/