This is something to be mindful of, especially if you've been supplementing Vitamin D tablets or liquid drops for a long time. (bodywisdomnutrition.com)
If you buy liquid drops or powder, make sure the product is free of as many additives as possible. (organicallymandy.com)
If liquid drops below top of meat, add a little more water to keep barely submerged. (bonappetit.com)