How can you tell if a supplement is synthetic or natural
I need to buy some vitamin D for winter but I want to make sure it's natural, how can you tell? this is what I'm looking at
https://www.amazon.ca/gp/product/B0B3LWGHGD/
or would I be better off going with cod liver oil or something
Answer
>…or would I be better off going with cod liver oil or something
Better off how?
This looks fine. You do want D3 rather than D2. You’re getting a lot more than you really need, so if it’s not 100% available what difference would it make?