Avreich
“for vitamin d deficiency. Contradicting themselves ”
Great question!
Here to help.
You are comparing “supplements ” to treating deficiencies. These are not at all the same
There is no question that vitamin deffincies are bad. Scurvy for example is due to vit c defficency this is very rare however. So for most people taking extra vitamin c doesn’t help anything..
Except vitamin D deff which is quite common