Food Sensitivity Relief with Diamine Oxidase (DAO) – Digestive Comfort, Food Tolerance and Histamine Metabolism Support for Balance After Meals

Food Sensitivity Relief with Diamine Oxidase (DAO), Life Extension is a specialized dietary supplement, formulated to support digestive comfort and food tolerance, by supporting histamine metabolism at the intestinal level. The product contains a vegetarian source of DAO (Diamine Oxidase) – a key enzyme involved in the degradation of histamine from food – obtained from dehydrated pea seedling powder, standardized to 20,000 HDU (DAO activity units) per serving, in an amount of 4.3 mg.

Histamine is a biogenic amine naturally present in the body and in numerous foods. In the body, histamine has important physiological roles: it participates in the immune response, in the regulation of gastric secretion and in neuronal communication. At the dietary level, histamine can be found in variable quantities, especially in aged, fermented, processed or long-stored foods. Under normal circumstances, ingested histamine is degraded in the intestine with the help of the DAO enzyme, before reaching the circulation.

When DAO activity is insufficient or when dietary histamine intake is high, manifestations of food sensitivity can occur, including digestive discomfort, bloating, sensation of fullness, skin reactions, headache, nasal congestion or a state of agitation after certain meals. These reactions are not always classic allergies, but can represent an imbalance between the amount of histamine in the diet and the body's ability to metabolize it efficiently.

Food Sensitivity Relief with DAO focuses on this specific need: providing a high-activity vegetarian DAO enzyme, oriented towards the degradation of dietary histamine at the intestinal level, so that meals are better tolerated and postprandial comfort is supported.

Detailed Benefits of Food Sensitivity Relief with DAO

• Supporting the degradation of dietary histamine for better tolerance after meals

DAO (Diamine Oxidase) is the main enzyme responsible for the degradation of histamine in the intestine. Its role is to "neutralize" histamine from food, limiting its absorption into the body. When DAO functions optimally, histamine from the diet is metabolized efficiently, and the body can maintain its balance without unpleasant reactions.

Supplementation with vegetarian DAO (20,000 HDU) can support:
✅ Reducing the histamine load at the intestinal level
✅ Better tolerance to foods that may contain histamine
✅ More stable postprandial comfort, especially after varied meals

This support is relevant for individuals who notice that certain foods "don't agree with them," but without identifying an obvious allergy, and who desire targeted metabolic support.

• Digestive comfort: reducing bloating, abdominal pressure and discomfort associated with sensitivities

Histamine influences intestinal permeability, motility and digestive secretions. An excess of histamine can amplify digestive reactions, favoring the sensation of bloating, gas, mild cramps or "upset stomach" after meals. Supporting histamine degradation through DAO can contribute to a more balanced intestinal environment and the reduction of postprandial reactions.

By supporting histamine metabolism, the product can help with:
• Maintaining abdominal comfort after meals
• Reducing the sensation of pressure and prolonged fullness
• Supporting more comfortable transit in the context of food sensitivities

A more "settled" intestine after meals also means better mood, as the gut-brain axis is closely linked to overall well-being.

• Support for immune balance and inflammatory response

Histamine is directly involved in the immune response and in the inflammatory cascade. When histamine levels rise, the body can amplify inflammatory responses, which can be perceived through skin reactions, redness, itching or general discomfort. Although these manifestations have multiple causes, maintaining a more manageable dietary histamine load can support the balance of the body's response.

DAO, through its local intestinal role, can contribute to:
✅ Maintaining a more balanced immune response at the mucosal level
✅ Reducing the physiological stress associated with excess dietary histamine
✅ Supporting the body's tolerance to dietary variations

This approach is particularly relevant for individuals who desire stability and predictability after meals, without episodes of unpleasant reactions.

• Supporting respiratory comfort and well-being in the context of histamine

Histamine can also influence respiratory comfort, as it is involved in congestion, nasal secretions and mucosal reactivity. Some individuals notice that after certain foods a sensation of "stuffy nose," sneezing or sinus discomfort appears. In such situations, managing dietary histamine becomes a logical direction for support.

By supporting histamine degradation before absorption, DAO can contribute to:
• Maintaining comfort at the mucosal level
• A more stable general state after meals
• Reduction of reactions that recur repeatedly after certain foods

This benefit does not replace medical investigations when symptoms are persistent, but provides a functional approach oriented towards a frequently discussed metabolic cause: histamine load.

• Mental clarity and reduction of postprandial "fog"

Many individuals dealing with food sensitivities describe a state of fatigue, difficulty concentrating or "brain fog" after meals. Histamine, being also a neurotransmitter, can influence alertness, sleep and nervous system reactivity. When dietary histamine becomes excessive relative to the degradation capacity, some individuals may experience instability of energy and mental clarity.

Supporting histamine metabolism can contribute to:
✅ More consistent energy state after meals
✅ Mental comfort and better capacity for concentration
✅ Reduction of the sensation of drowsiness or agitation after certain foods

An important element is predictability: when meals are better tolerated, the stress associated with eating decreases and control over the daily routine increases.

• Vegetarian source of DAO, standardized to high enzymatic activity

A major advantage of this product is the source of DAO: dehydrated pea seedling powder, a vegetarian alternative to DAO derived from animal sources. Standardization to 20,000 HDU provides consistency and a level of enzymatic activity oriented towards effective support.

This standardization is important because enzymes are not evaluated only "in milligrams," but in activity units, which reflect the real capacity to catalyze the reactions for which they are used. Thus, the product emphasizes efficiency, not just quantity.

• Supporting dietary flexibility and social comfort

Food sensitivities can affect not only digestion, but also social life: restaurant outings, family meals, events, travel. When the body reacts unpredictably, restrictions appear, food-related anxiety and difficulty maintaining a varied diet. By supporting the degradation of dietary histamine, DAO can support flexibility and comfort in contexts where there is no total control over ingredients.

Sought-after benefits include:
• More confidence in food choices
• Reduction of discomfort that occurs after "unusual" meals
• A more relaxed relationship with food and social situations

• Supporting intestinal health as a foundation for immunity and balance

The intestine is not just a digestive organ, but also a major center of immunity. A balanced intestinal mucosa and a stable digestive environment contribute to immunological tolerance and the reduction of hyperreactivity. By supporting the degradation of dietary histamine, DAO can contribute to maintaining a less irritating intestinal environment, thereby supporting the foundation on which the body's resilience is built.

Food Sensitivity Relief with Diamine Oxidase (DAO), Life Extension is a specialized and precisely standardized formula, oriented towards individuals who wish to support the metabolism of dietary histamine and improve their tolerance to meals, digestive comfort and overall well-being, through a direct, relevant and easily integrated enzymatic mechanism in an active lifestyle.

Directions for use

Read the entire label and follow all instructions carefully.
Take one (1) capsule before your heaviest meals, up to three times per day, or as recommended by a physician.

Other ingredients

Microcrystalline cellulose, vegetable cellulose (capsule), silica, vegetable stearate.

Warnings

This product breaks down histamine but will not prevent severe allergic or gluten-related (celiac) reactions. Do not knowingly ingest foods to which you are allergic.
Keep out of reach of children.
Do not exceed the recommended dose.
Do not purchase if outer seal is damaged.
Discuss with your physician if you are being treated for a medical condition or if you are pregnant or nursing.
Store tightly closed in a cool, dry place.