Histamine Block
by Seeking Health · Capsule
Supplement facts from the label of Histamine Block by Seeking Health: Vitamin C 10 mg, DAO2 4.2 mg.

Supplement Facts
| Ingredient | Per serving | % DV | Upper limit (adults) |
|---|---|---|---|
| Vitamin C (Ascorbyl Palmitate) | 10 mg | 11% | 2,000 mg |
| DAO2 (Porcine Kidney Extract) | 4.2 mg | — | — |
Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.
On the label
For: Adult (18 - 50 Years) · Gluten Free · Dairy Free
Claim types: All Other · Structure/Function
Suggested/Recommended/Usage/Directions: Suggested use: Take 1 capsule no more than 15 minutes before consumption of histamine-rich foods, or use as directed by your healthcare professional.
Precautions re: Pregnant or Nursing or Prescription Medications: Cautions: Consult your healthcare professional before use, especially if you are pregnant or nursing.
Precautions re: Children: Keep out of reach of children.
Precautions re: Allergies: Contains ingredient derived from porcine (pig). Avoid if allergic to pork or any other ingredient. Histamine Block is not effective for symptoms of immune-related (anti-body- or IgE- related) food allergies, such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease.
Storage: Storage: Keep tightly closed in a cool, dry place.
Formulation re: Other: Histamine Block supports healthy degradation of histamine derived from foods, drinks, and the microbiome. Histamine Block meets or exceeds cGMP quality standards.
This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.
Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).