Decent b/c of the dosage
If you have a histamine intolerance problem, a DAO enzyme is a must for when you feel those histamines rising. DAOsin is a good option because as far as I've seen, it is the highest dose per pill available, and it most definitely works.  The only objection I have is the extra ingredients which are rather extensive.  The label lists: Daosin® beadlets [microcrystalline cellulose (plant fiber), sucrose, ascorbic acid (vitamin C), rice starch, acid-resistant coating, hydroxypropylcellulose, polyvinylpolypyrrolidone, hydrated magnesium silicate, corn starch, carboxymethylcell-ulose, glycerol], hypromellose (vegetable capsule).  They do not show this part of the label on Amazon and you have to search online to find this.  Other products, such as Histame, do not have this extra junk, but have less than 1mg of the enzyme per capsule compared to DAOSin's 4.2mg.  The prices are comparable, making DAOSin the better bang for your buck, as long as you don't have a reaction to any of the extra ingredients.
Rating: 4 stars