Each capsule of this high-strength supplement is easy to swallow and made ... Nature’s Own vitamin D3 is cruelty-free and takes the nutrient from lichen extract. Our tester found the one-a-day ...

In some countries, vitamin D is listed in micrograms, and the relationship is as follows: 2.5 mcg (micrograms) = 100 IU. 5 mcg = 200 IU ... 10 ng/ml (25 nmol/L). 2000 IU (50 mcg) per day increases ...

“In particular, I appreciated the 25 mcg of vitamin D, since my bone density is slightly low, along with the hefty dose of B12 (450 mcg), biotin (400 mcg), and chromium (200 mcg) to support ...

Four scientists reflect on how to foster a more sustainable relationship between water and society amid complex and wide-ranging challenges.