Softgel is very easy to swallow, small in size. I like the fact that they have used extra virgin olive oil. 2,000 IU = 50 µg vitamin D3, the best form of vitamin D. You should meaure your vitamin D level sometimes to see that you are getting enough this very important sun vitamin. I have measured my blood serum 25-Hydroxyvitamin D, 25(OH)D three times and last time my test result was 141 nmol/L = 56.4 ng/ml. My test result was now at optimum level which is 125 - 150 nmol/L = 50 - 60 ng/ml when you are taking enough Vitamin D. I will continue with the same dosage that is 2,000- 5,000 IU daily to keep my vitamin D level right. There is no need to worry about overdosing because the tendency for serum 25(OH)D to rise when the starting level already is higher is very gradual. I hope you find this review helpful. Please, also visit my page for more reviews, especially for new customers to iHerb. Enjoy your iHerb journey!
Posted by iHerb Customer on April 14 2018 | Verified Purchase
soft gel does not dissolve....
Posted by iHerb Customer on February 25 2018 | Verified Purchase
It is easy to take but as I don't have any health issues so I don't see anything different yet. Only one thing which *im not sure is the side effect is I have a lot of pimples breakout at chin area after taking this for a week.
Posted by iHerb Customer on February 10 2011 | Verified Purchase
I take 2 a day with calcium, it should be good
Posted by iHerb Customer on May 16 2010 | Verified Purchase
Vitamin D3 is pretty typical vitamin to purchase. I don't see that Doctor's Best is necessarily any better than anyone elses. The prices are comparable to buying it from a health food store locally (in which the proces are low to begin with). As long as the quality of the oil is good.
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