Need some schooling on vitamins and supplements please?

As a general rule, supplements aren’t needed unless your diet is poor.

A Centrum silver to make sure you are getting all you need beyond your diet isn’t a bad idea and won’t hurt anything. Using glucosamine supplements for joint health is fine to if you are having joint issues and can help.

Most of the rest is unnecessary and may actually be harmful since supplements can interact with common meds and also tax the liver and kidneys.

Unless you know you are deficient in Calcium and vitamin D, those supplements are not needed and won’t help anything. Any others should be by physician recommendation only.

For those who make anecdotal claims of “I have been taking xyz for years and feel great (or have never been sick)”, it is not a basis to determine any benefit since the control of not taking them was not done. Therefore, the claim is unproven and there is no basis to believe it’s a true cause-and-effect.