I have dry eyes and one of my landscape customers suggested sea buckthorn caplets as a supplement. I started taking one caplet a day and no longer use drops in my eyes several times a day, I do use ivizia eye gel for severe/night dry eyes - preservative free, one time when I go to bed (one small tube lasts me at least 5 days, so the 30 count of tubes lasts a long time.
the omega 7 really helps with tear production. Curt