Histamine Products Comparison Chart

	Histamine Digest	Histamine Nutrients	HistaminX	ProBiota HistaminX
Who is it for?*	Those who want to support healthy histamine levels in the digestive tract from food, drink, and the gut microbiome.*	Those who want to support a healthy total body histamine response, including histamine from meals. Supports healthy breakdown of byproducts from histamine pathway.*	Those who want to support a healthy inflammatory and histamine response to environmental compounds.*	Those who want to support gut health and healthy histamine response.*
What's in it?	DAO	DAO + histamine pathway cofactors	Plant-compounds and herbs	Histamine-Friendly Probiotic species
How to Use	Take 1 capsule just prior to consuming histamine-rich foods or drinks. Or, take away from food to support healthy histamine levels in the digestive tract. Use as directed by your healthcare professional.	Take 2 capsules no more than 15 minutes before consumption of histamine-rich foods, or use as directed by your healthcare professional.	Take 2 capsules without food or as directed by your healthcare professional.	Take one capsule any time of day with or without food or as directed by your healthcare professional.
Vegetarian/Vegan?	NOT suitable for vegetarians or vegans (DAO is porcine-derived)	NOT suitable for vegetarians or vegans (DAO is porcine-derived)	Suitable for vegans and vegetarians	Suitable for vegans and vegetarians
Allergens?	FREE OF Milk, Egg, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soy	FREE OF Milk, Egg, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soy	FREE OF Milk, Egg, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soy	FREE OF Milk, Egg, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soy
Which dirty genes are supported?	Supports a dirty DAO*	Supports a dirty DAO, HMNT, ALDH2, ADH1B, NAT2, HRH1, HRH2, HRH3, HRH4*	Supports a dirty HRH1, HRH2, HRH3, HRH4*	Supports a dirty DAO*

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.