DAO Histaminase With Bioflavonoids

DAO Histaminase With Bioflavonoids and 29 near-identical products are sold under 21 different brand names — a near-twin Formula Twins cluster.

Product	Brand
DAO Histaminase With Bioflavonoids	Allergy Research Group
DAO Histamine Digester with Bioflavonoids	NutriCology
Bilberry Eyebright Vision Complex	Swanson
Bilberry Extract Plus	Wonder Laboratories
Bilberry Extract Plus	Wonder Laboratories
Quercetin 500 mg	Absorb Health
Quercetin	Bio-Tech Pharmacal
Quercetin 500 mg	We Like Vitamins
Formula 707	DC
Quercetin 500 mg	Natural Factors
Quercetin 500 mg	Mental Refreshment
Quercetin	Herbadiet
Bilberry Extract Plus	Wonder Laboratories
Bilberry Extract Plus	Wonder Laboratories
Formula 707	DC
Formula 707	DC
Quercetin 500	Metagenics
Proflora 4R	Bio-Botanical Research
Longevity	Core Nutritionals Lifeline
Quercetin 500 mg	California Gold Nutrition
Quercetin500 500 mg	Evlution Nutrition
Quercetin 300 mg	Moss Nutrition
Quercetin Pro	Beyond Health
Quercetin 500 mg	Jarrow Formulas
Quercetin 500 mg	Jarrow Formulas
Quercetin Extract	Herbadiet
Quercetin 500 mg	Viva Vitamins
Quercetin 500 mg	NasaBe'Ahava
Quercetin 300 mg	Moss Nutrition
Bilberry Eyebright Vision Complex	Swanson