Histamine Block - capsules

  • Category: Enzymes & Vitamin C
  • Contains diamine oxidase (DAO)
  • Source of Vitamin C
  • Functions as an antioxidant*
  • Supports the immune system*
  • Promotes energy metabolism*
  • Not suitable for vegetarians
  • 90 capsules
Out of stock
EUR 107.95
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Histamine Block by Seeking Health

Seeking Health’s Histamine Block contains a patented enzyme called DAO2™ . The enzyme produces 10,000 HDU of diamine oxidase (DAO), the enzyme involved in regulating the amount of histamine in the body. Histamine is a biogenic amine that occurs naturally in both plant and animal products. The substance is involved in the establishment of the normal inflammatory response of the human body at the cue of specific triggers. The sensitivity to histamine differs per person. DAO has been thoroughly tested and is not immediately absorbed when ingested, but becomes active only inside the digestive tract. Vitamin C is also added to this supplement, a vitamin with which the enzyme DAO works closely together.

Histamine & DAO

Histamine is naturally found in both plant and animal products . The substance is also synthesized on a small scale by the bacteria in our body and is involved in the immune system, the gastrointestinal tract and the incentive transfer into the brains. Once formed, it can be stored in mast cells or white blood cells and is released during certain immune responses, such as in the case of allergies, inflammation or drug use. In some cases the breakdown of and exposure to histamine is not balanced, including when there is a histamine intolerance, where the body itself produces too much histamine, or when someone eats too much histamine-rich food. The breakdown of histamine in the body takes place via the enzyme diamine oxidase (DAO) in cooperation with vitamin C, the vitamin that supports our immune system and contributes to energy metabolism.


Children and pregnant or lactating women should consult their healthcare practitioner prior to use. This product contains an ingredient derived from porcine (pig). Avoid if allergic to pork or any other ingredient. Histamine Block is NOT EFFECTIVE for symptoms of immune-related food allergies, such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease. DAO is not absorbed and does not have systemic activity. Histamine Block does not manage or address antibody-related or IgE-related food allergies.

Evolution of epigenetics

Epigenetics is a science that has been changing and evolving significantly in recent years. More and more we begin to understand that our DNA, or genetic predisposition, does not have all the clues, but that it is the 'epigenome' that effectively runs the DNA by turning certain genes 'on' or 'off'. So we may have mapped our entire DNA, but we are far from there yet. After all, our DNA is comparable to a computer, where it depends on the software (the epigenomes) in which way the computer is being used. The main epigenetic processes in our body are the methylation processes, in particular DNA methylation. A lot of research is currently being done into the influence of diet and lifestyle on our epigenomes and to what extent epigenetic influence can also be passed on to subsequent generations. In sum, the science of epigenetics studies variations in gene expression, which, however, do not cause changes in the DNA sequence itself.


  • Contains the patented DAO2™ enzyme with an optimized stability
  • Provides 10,000 HDU of diamine oxidase (DAO)
  • Powerful, synergistic formulation of diamine oxidase and vitamin C
  • Vitamin C is an antioxidant that supports the immune system and promotes energy metabolism
  • Vitamin C relieves fatigue, keeps the mind clear, and supports bones, teeth, and skin
  • Is extracted from an animal source, but is otherwise free from milk, eggs, seafood, nuts, wheat soya, gluten, and artificial colorants

The Methylation Process

Every minute, trillions of methylation processes take place in all cells of our body, which in turn affect thousands of other bodily processes. Methylation is a controlled transfer of a methyl group primarily to proteins, amino acids, enzymes and DNA. Methylation is involved in the maintenance and repair of our DNA within our cells and tissues. Substances that have the ability to donate a methyl group are called methyl donors. B vitamins, vitamin C, biotin, zinc, folic acid and betaine, among other compounds, can function as a methyl donor. Methyl groups play an important role in gene expression, since they have the ability to switch our DNA on and off. It is not without reason that they are one of the most researched molecules in epigenetics. Research indicates that methylation responds to environmental factors and decreases with age. This has made the relationship between health and the ability to methylate a frontier research area.

Optimal supplements

Seeking Health is a company with a passion for quality that composes its products with the utmost care. Thus, most Seeking Health products are free from GMOs and are also suitable for sensitive users, since they are free of common allergens such as milk, egg there and, fish, shellfish, nuts, gluten, corn, yeast and soy. Suppliers must meet specific standards before ingredients can be used. In addition, each ingredient is always carefully researched and tested. Supplements formulated with care and skill, that's what Seeking Health stands for and believes in!

About Seeking Health

From an early age, Dr. Ben Lynch, founder of Seeking Health, was interested in the relationship between health and gene expression, and studied natural medicine, molecular biology and epigenetics. In his recent book Dirty Genes, he describes how having 'contaminated' genes can be the cause of countless health problems and shows how you can optimize the functioning of your genes through the right diet and lifestyle. In recent years he helped thousands of clients, physicians and health care professionals in the use of these insights and therefore is currently one of the most consulted experts in the field of epigenetics.

* Vitamin C is an antioxidant that supports the immune system and promotes energy metabolism, among other functions.

More Information
Product Name
Histamine Block - capsules
Seeking Health
90 capsules
User Instructions

Take 1 capsule no more than 15 minutes before the consumption of histamine-rich foods, or take as directed by your healthcare professional.

Ingredients per Serving
  Amount per serving % DV
Vitamin C (ascorbic acid) 10 mg 11%
Diamine Oxidase (from porcine kidney protein concentrate) 4.2 mg (10000 HDU) ** 

** % Daily value not established.

EU Norm
*RDA = Recommended Daily Allowance
Other Ingredients

Microcrystalline cellulose, vegetable capsule (hypromellose, water and gellan gum), and ascorbyl palmitate.

Storage: see label. Keep out of the reach of children. Consult an expert before use in case of pregnancy, breastfeeding, illness or medication.
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