Well I'm on my second bottle. I started out 3 a day for the first 2 days and no more dry eyes upon waking. I mean....I used to have to open them a teeny bit at a time, with tiny blinks because for some reason they got so dry this past year. I decided to give this a try. After the first 2 days, I thought well I'll save some money and since I'm taking a cap of cod liver oil anyway daily, I'll just take 2 of these. I went on all through the first bottle like that...and the eyes were a little dry but not too bad. I was also concerned about having too much fish oil if I took 3 of these and the cod liver oil. Well on my second bottle I am trying 3 of these and dropped the cod liver oil (which I was taking for tooth health). My eyes are completely lubricated when I wake up. So I'm sticking with 3 and I thank the makers for this product and Walmart for keeping it in stock with a good price. I buy them in the store.