What is generic Beano called? Understanding Alpha-Galactosidase

November 20, 2025 •

4 min read

According to the National Institute of Diabetes and Digestive and Kidney Diseases, gas and bloating are common issues stemming from the digestion of certain complex carbohydrates. The generic equivalent for the enzyme supplement Beano is alpha-galactosidase, the key ingredient that helps break down these gas-producing carbohydrates before they can cause discomfort.

Quick Summary

The generic name for the enzyme in Beano is alpha-galactosidase, which is sold under various store brands and unbranded names. This enzyme works to help the body digest complex carbohydrates found in many gas-causing foods, thereby preventing bloating and flatulence. Generic alternatives often contain the same active ingredient and offer a more cost-effective solution for digestive discomfort.

Key Points

Generic Name: The generic equivalent of Beano is alpha-galactosidase, the key enzyme that prevents gas.
Mechanism: Alpha-galactosidase breaks down complex carbohydrates in gas-producing foods before they can be fermented by gut bacteria.
Active Ingredient Search: To find generic versions, look for "alpha-galactosidase" listed as the active ingredient on product labels.
Timing is Key: For maximum effectiveness, take the supplement with the first bite of a meal containing gas-causing foods.
Not for All Gas: Alpha-galactosidase does not help with gas from lactose intolerance or other causes; it specifically targets complex carbohydrates.
Cost-Effective Alternative: Generic supplements often offer the same active enzyme as Beano for a lower price.

The Active Ingredient: Alpha-Galactosidase

Beano is a popular over-the-counter dietary supplement known for its ability to prevent gas and bloating. While the name 'Beano' is a trademarked brand, the active ingredient responsible for its effectiveness is not. The generic name for this enzyme is alpha-galactosidase. This natural enzyme is derived from a food-grade fungus, typically Aspergillus niger, and its purpose is to break down complex sugars known as oligosaccharides and polysaccharides.

When we eat foods like beans, broccoli, and certain whole grains, our bodies lack the necessary enzyme to break down these specific complex carbohydrates in the small intestine. As a result, they pass into the large intestine, where bacteria ferment them. This fermentation process produces the gas that causes discomfort, bloating, and flatulence. By taking an alpha-galactosidase supplement right before or during a meal, the enzyme acts in the stomach and small intestine to break down these complex sugars into simple, digestible sugars. This prevents the sugars from reaching the large intestine and being fermented by bacteria, effectively stopping gas production before it starts.

How to Find Generic Alternatives

Because alpha-galactosidase is the generic name, you can find various generic versions of Beano simply by looking for the active ingredient on the product label. Major retailers like Walmart, Amazon, and others often sell their own store-brand versions under different names, such as 'Bean-Zyme' or 'Gas Relief Enzyme'. The key is to check the 'Supplement Facts' panel for "alpha-galactosidase" and its corresponding unit of activity, typically expressed as GALU (Galactosidase Units).

Comparing Generic Alpha-Galactosidase Products

When shopping for a generic alternative, it's important to compare not only the price but also the dosage and formulation. Some products may offer a higher GALU per tablet, which may be more effective for some individuals. Other options may include a different format, such as chewable tablets or capsules. Reading customer reviews can also provide insight into the product's effectiveness and user experience.

Beano vs. Generic Alpha-Galactosidase vs. Other Gas Relievers

It is helpful to understand how Beano and its generic counterparts differ from other popular gas-relief medications.


Feature	Brand-Name Beano	Generic Alpha-Galactosidase	Simethicone (e.g., Gas-X)	Lactase (e.g., Lactaid)
Active Ingredient	Alpha-galactosidase	Alpha-galactosidase	Simethicone	Lactase
Mechanism of Action	Breaks down complex sugars before they reach the colon, preventing gas formation.	Same as brand-name Beano.	Breaks up existing gas bubbles in the stomach and intestines.	Breaks down lactose (milk sugar) in dairy products.
Target Foods	Beans, broccoli, cabbage, whole grains, and other complex carbohydrate-rich foods.	Same as brand-name Beano.	Any type of gas and bloating regardless of food source.	Dairy products (milk, cheese, ice cream).
Timing	Take right before or with the first bite of the meal.	Same as brand-name Beano.	Take as needed for symptoms, usually after eating.	Take right before or with the first bite of dairy.
Primary Use	Preventing gas caused by complex carbohydrates.	Preventing gas caused by complex carbohydrates.	Relieving symptoms of existing gas and bloating.	Preventing gas and bloating from lactose intolerance.
Cost	Generally more expensive due to brand recognition.	Often more affordable with comparable ingredients.	Varies by brand and formulation.	Varies by brand and formulation.

Important Considerations for Use

While alpha-galactosidase supplements are safe for most people, there are a few important points to consider:

Diabetes: Individuals with diabetes should use caution as this enzyme breaks down complex carbohydrates into simple sugars. While the amount of glucose absorbed is typically small, it's best to consult a healthcare provider.
Dosage: The standard dosage is based on the number of 'servings' of problem food. It is recommended to follow the package instructions closely, as some individuals may need more than one tablet per meal, especially for larger portions.
Timing: For maximum effectiveness, the supplement must be taken right before or at the very beginning of the meal. If taken too late, the enzyme won't have enough time to act on the carbohydrates before they enter the large intestine.
Limitations: Alpha-galactosidase is not effective for gas caused by dairy products (lactose intolerance), which requires a lactase enzyme supplement. It is also not a cure for underlying digestive conditions.

What to Look For in a Generic Alpha-Galactosidase Product

When selecting a generic product, consider these factors:

Potency (GALU): A higher GALU count may be more effective. Compare the units per tablet between products.
Ingredient Quality: Check for any unnecessary additives, fillers, or allergens, especially if you have sensitivities. Some generic products are vegan, unlike some older Beano formulations.
Formulation: Decide if a chewable tablet, a standard tablet to be swallowed, or a capsule is best for you.
Cost-Effectiveness: Calculate the cost per tablet to find the most economical option, as larger bottles often offer better value.

Ultimately, generic alpha-galactosidase offers a scientifically sound, cost-effective way to prevent gas and bloating associated with specific food groups. By understanding its function and comparing available options, consumers can make an informed choice for their digestive health.

Conclusion

In summary, the generic name for Beano is alpha-galactosidase. This digestive enzyme specifically targets complex carbohydrates found in beans, vegetables, and whole grains, breaking them down to prevent gas and bloating. Unlike other gas relievers like simethicone, it works preventatively at the beginning of digestion. Many generic and store-brand versions are available, often providing the same active ingredient at a lower price point. When considering a generic alternative, look for products listing alpha-galactosidase on their label, compare the potency, and choose a form that fits your preference. Always take the supplement right at the start of your meal for best results and consult a healthcare provider if you have any medical conditions or concerns. This allows you to continue enjoying a variety of healthy, high-fiber foods without the associated discomfort. For more information on managing gas and bloating, you can visit the Mayo Clinic's guide on gas and gas pains.

Frequently Asked Questions

The generic name for the active enzyme in Beano is alpha-galactosidase.

Alpha-galactosidase breaks down the complex carbohydrates (oligosaccharides) in foods like beans and vegetables into simpler, more digestible sugars. This prevents the carbohydrates from reaching the large intestine where bacteria would ferment them and produce gas.

Yes, many generic versions are available at major retailers and online. Look for store brands or products with the active ingredient "alpha-galactosidase" listed on the label.

Generic versions contain the same active ingredient and work in the same way as brand-name Beano. As long as the potency (GALU count) is comparable, they should be just as effective.

No, Beano contains alpha-galactosidase to break down complex carbs, while Lactaid contains lactase, which breaks down lactose, the sugar found in dairy products.

For optimal results, the supplement should be taken right before or up to 30 minutes after your first bite of the problem food. This ensures the enzyme is active during digestion.

Individuals with diabetes should consult their doctor before using alpha-galactosidase, as it breaks down complex carbs into simple sugars, which could potentially impact blood sugar levels.

It helps digest foods with complex carbohydrates, including beans, lentils, broccoli, cauliflower, Brussels sprouts, cabbage, and certain whole grains.

Check the potency (GALU count), the formulation (tablet vs. chewable), and the ingredients list for any allergens or fillers you wish to avoid.

No, it only works on gas caused by the fermentation of specific complex carbohydrates. It is not effective for gas caused by fat or protein digestion, or other sources like swallowed air.