I've been using this vitamin d for about 3 years and it's certainly gotten my serum d levels to a good place, where my doctor wants it.

I've been using this vitamin d for about 3 years and it's certainly gotten my serum d levels to a good place, where my doctor wants it.  Read Less

Needs constant temperature control & normal clean conditions.

Needs constant temperature control & normal clean conditions.  Read Less

This time the dropper started leaking after only 2 week.

This time the dropper started leaking after only 2 week.  Read Less

Of the two dozen or so of these we've purchased over the years, only had an issue once with it arriving as a leaker - the eyedr...  Read More

Of the two dozen or so of these we've purchased over the years, only had an issue once with it arriving as a leaker - the eyedropper was partially out; otherwise, they've arrived in fine shape.  Read Less

It was fairly inexpensive and a good size.

It was fairly inexpensive and a good size.  Read Less

Edit: i reached out to source naturals directly and they sent me replacements in the 1oz size.

Edit: i reached out to source naturals directly and they sent me replacements in the 1oz size.  Read Less

We subscribe to consumer lab that tests, or find other gold standard trials, on products and supplements we all use regularly.

We subscribe to consumer lab that tests, or find other gold standard trials, on products and supplements we all use regularly.  Read Less

Originally chose this brand because it was selected by consumer lab (well known test lab - reports by subscription).

Originally chose this brand because it was selected by consumer lab (well known test lab - reports by subscription).  Read Less