Lactic Acid Yeast™ for Dogs by Standard Process: Digestive Balance, Gut Health & Support
As a holistic veterinarian, I see digestive issues in dogs every single week. Loose stools, gas, sensitive stomachs, poor nutrient absorption, and recurring gut imbalance are incredibly common. In many cases, the gut simply needs the right support.
Lactic Acid Yeast™ by Standard Process is one of the foundational supplements I use when a dog needs help restoring a healthy intestinal environment. It is gentle, time-tested, and focused on supporting the lower gastrointestinal tract where many chronic digestive issues begin.
This is not a probiotic in the modern sense. Instead, it works by helping create an environment where healthy gut bacteria can thrive naturally.
What Is Lactic Acid Yeast™ by Standard Process?
Lactic Acid Yeast™ is a chewable wafer made from a specific strain of yeast called Saccharomyces cerevisiae. This yeast helps produce lactic acid in the gut, which supports healthy intestinal balance.
This formula has been used since the 1920s and remains one of Standard Process’ original digestive support products. Its role is simple but important: it helps maintain a healthy intestinal environment and supports normal lower GI function.
From the manufacturer, this supplement:
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Supports a healthy intestinal environment
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Cleanses and promotes healthy function in the lower gastrointestinal tract
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Is designed to be chewed, then swallowed
How Lactic Acid Yeast™ Supports Digestive Health in Dogs
A healthy gut environment matters more than most pet parents realize. The digestive tract affects stool quality, nutrient absorption, immune function, and even skin health.
Lactic Acid Yeast™ supports digestion by:
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Helping maintain a healthy pH level in the intestines
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Supporting the balance of gut microorganisms
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Encouraging normal digestive enzyme activity
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Supporting regular bowel function
Because this supplement focuses on the intestinal environment rather than adding live bacteria, it is often well tolerated by dogs with sensitive stomachs.
Key Benefits of Lactic Acid Yeast™ for Dogs
Lactic Acid Yeast™ is often helpful for dogs dealing with:
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Chronic loose stools or inconsistent stool quality
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Gas, bloating, or digestive discomfort
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Sensitive digestion
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Poor nutrient absorption
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Gut imbalance after stress, illness, or dietary changes
It is also commonly used as part of a long-term digestive support plan, especially in dogs that do not tolerate traditional probiotics well.
Ingredients and Why They Matter
Each serving size of Lactic Acid Yeast™ is one chewable wafer.
Active Proprietary Blend (880 mg per wafer)
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Organic corn: Provides carbohydrates and fiber to support digestion and energy
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Whey: A high-quality protein source rich in essential amino acids
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Malt syrup: Provides natural sugars and trace nutrients
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Yeast (Saccharomyces cerevisiae): Supports lactic acid production and gut balance
Other Ingredients
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Cellulose
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Honey
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Glycerine
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Calcium stearate
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Acacia gum
This product contains milk.
Nutritional Information Per Wafer
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Calories: 5
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Cholesterol: 5 mg
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Total carbohydrate: 1 g
These ingredients work together to support intestinal function without overstimulating the digestive system.
Health Areas Commonly Supported
Digestive and Intestinal Health
Lactic Acid Yeast™ supports the lower gastrointestinal tract, where stool formation and gut balance occur. This makes it useful for dogs with recurring digestive upset or chronic stool issues.
Immune Support Through Gut Health
A large portion of the immune system is associated with the gut. By supporting intestinal balance, this supplement indirectly supports immune function.
Skin and Coat Health
When digestion improves and nutrients are absorbed properly, many dogs show secondary improvements in skin and coat quality.
Dosage and Administration for Dogs
This product should be chewed, then swallowed.
Recommended Daily Dosage
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Dog Size
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Dosage
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Small Dogs 1-20lbs
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2 wafers daily
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Medium Dogs 21-50lbs
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3 wafers daily
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Large Dogs 51+ lbs
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4 wafers daily
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How to Give It
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Offer the wafer as a chew
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Crumble and mix into food if needed
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Wrap in a small treat for picky eaters
Consistency matters. Giving it at the same times each day helps the digestive system respond more effectively.
Safety and Possible Side Effects
Most dogs tolerate Lactic Acid Yeast™ very well.
Occasionally, a dog may experience:
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Mild gas
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Temporary stool changes during adjustment
These signs usually resolve quickly. Starting with a lower dose and gradually increasing can help reduce sensitivity.
Allergic reactions are rare. If you notice itching, swelling, or breathing difficulty, stop use and consult your veterinarian.
Always speak with your veterinarian before starting any new supplement, especially if your dog has medical conditions or takes medications.
Store in a cool, dry place and keep out of reach of pets and children.
Why I Use Lactic Acid Yeast™ in Practice
I reach for Lactic Acid Yeast™ when a dog needs foundational digestive support without adding aggressive probiotics or enzymes. It works well alone or alongside other gut-supportive therapies and fits easily into long-term wellness plans.
For many dogs, improving the gut environment is the missing step that allows everything else to work better.
Frequently Asked Questions
What is Lactic Acid Yeast™ used for in dogs?
It is used to support a healthy intestinal environment and normal lower gastrointestinal function.
Is Lactic Acid Yeast™ a probiotic?
No. It does not add live bacteria. It helps create an environment where beneficial bacteria can thrive naturally.
How long does it take to see results?
Some dogs show improvement in stool quality within one to two weeks, while others need longer depending on the underlying issue.
Can this be used long term?
Yes. It is commonly used as part of ongoing digestive and wellness support.
Can I give this to other pets?
This product is commonly used in dogs. Consult your veterinarian before giving it to other species.