“I made the mistake of thinking I've reordered them, when infact I ordered the 400i.u. , so the 4000 I.u. are more stronger, you don't have to take as many as the 400's . For the desired personal dosage.
I take it with Magnesium.
Will definitely order them again.”
“Been taking D2 for a few years now, moved up to D3, apparently no after affects, so will continue! I do suffer from SAD especially in the winter months, it does appear to help me.
Thank you.”