Cataplex® B12 for Dogs by Standard Process: Benefits, Use & Care

As a holistic veterinarian, I am often asked how to support a dog’s energy, digestion, and nervous system naturally. One supplement I reach for often is Cataplex® B12 for Dogs by Standard Process. I use it when a dog needs gentle, whole food support for blood health, nerve function, or overall vitality.

This is not a stimulant or a quick fix. It is a foundational supplement that works with the body, not against it.

What Is Cataplex® B12 for Dogs?

Cataplex® B12 is a whole food–based vitamin B12 supplement designed to support blood health, nerve function, and general wellbeing in dogs.

Vitamin B12 is essential for:

• Healthy red blood cell production

• Normal nervous system function

• Energy metabolism

• Proper myelin synthesis (the protective coating around nerves)

What makes this product different is how B12 is delivered. Instead of relying only on isolated vitamins, it combines B12 with organ and plant-based ingredients that help the body recognize, absorb, and use it effectively.

Why Vitamin B12 Matters for Dogs

Vitamin B12 plays a role in nearly every system of the body. When levels are low, dogs may show vague signs that are easy to miss.

I often think about B12 support when I see:

• Low energy or stamina

• Digestive upset or poor nutrient absorption

• Neurologic changes such as weakness or coordination issues

• Older dogs who are not bouncing back the way they used to

B12 is also essential for normal folic acid metabolism and healthy homocysteine levels, which are both important for long-term cellular health.

Key Benefits of Cataplex® B12 for Dogs

Cataplex® B12 supports the body in several interconnected ways.

Nervous System Support

Vitamin B12 is essential for normal myelin synthesis. Myelin is the protective layer around nerves that allows signals to travel smoothly between the brain and the body.

This matters for:

• Coordination

• Reflexes

• Normal neurologic function

Blood and Cellular Health

This formula supports the production of healthy red blood cells and overall blood health. Healthy blood cells help deliver oxygen and nutrients where they are needed.

Digestive Support

Ingredients such as bovine liver and porcine stomach parenchyma support digestive function and nutrient absorption. When digestion works well, everything else works better too.

Immune and Stress Support

Bovine and ovine spleen provide natural immune-supportive components. The adrenal Cytosol™ extract supports the adrenal glands, which play a role in stress response and overall resilience.

Energy and Vitality

Vitamin B12 is involved in converting food into usable energy. This makes Cataplex® B12 especially helpful for aging dogs or dogs recovering from illness.

Ingredients in Cataplex® B12 for Dogs

Each tablet contains a thoughtfully designed blend of nutrients and whole food ingredients.

Nutrients per Tablet

• Vitamin B12: 6 mcg

Proprietary Blend (355 mg)

• Bovine liver

• Organic carrot

• Organic sweet potato

• Calcium lactate

• Porcine stomach parenchyma

• Bovine spleen

• Ovine spleen

• Bovine adrenal Cytosol™ extract

• Organic oat flour

• Ascorbic acid

Other Ingredients

• Cellulose

• Honey

• Dicalcium phosphate

• Cyanocobalamin

How These Ingredients Support the Body

Each ingredient serves a purpose.

• Bovine liver provides natural B vitamins and supports red blood cell formation.

• Organic carrot and sweet potato supply antioxidants and fiber to support digestion.

• Calcium lactate supports normal bone and cellular function.

• Porcine stomach parenchyma supports digestive health and nutrient absorption.

• Bovine and ovine spleen contribute immune-supportive compounds.

• Adrenal Cytosol™ extract supports adrenal gland function and stress response.

• Organic oat flour provides gentle fiber for gut health.

• Ascorbic acid (vitamin C) supports immune health and antioxidant balance.

Together, these ingredients work synergistically to support the nervous system, blood health, digestion, and overall wellbeing.

How Cataplex® B12 Supports Specific Health Concerns

I commonly use Cataplex® B12 as part of a broader wellness plan.

Digestive Challenges

Dogs with sensitive digestion often struggle to absorb nutrients efficiently. This formula supports gut health and nutrient utilization.

Neurologic Support

Vitamin B12 is essential for nerve health and myelin integrity. This makes it valuable for dogs with neurologic concerns or age-related changes.

Immune System Support

Healthy blood cells and immune tissues work together to protect the body. The organ-based ingredients in this formula support that connection.

Energy Decline in Aging Dogs

As dogs age, their ability to absorb B12 can decrease. Supporting this pathway often helps improve stamina and overall vitality.

Dosage and Administration

Suggested Use

The recommended dosage depends on your dog's weight. 

In practice, dosing may be adjusted based on a dog’s size, health status, and individual needs. I always recommend working with a veterinarian when introducing new supplements, especially for dogs with medical conditions.

How to Give It

• Offer the tablet directly

• Hide it in food or a treat

• Crush and mix into meals if needed

Safety and Side Effects

Cataplex® B12 for Dogs is made with whole food ingredients and is generally well tolerated.

Occasionally, mild digestive upset can occur when starting any new supplement. Introducing it gradually can help reduce this risk.

If your dog has a complex medical condition or is on medication, always check with your veterinarian before adding supplements.

Frequently Asked Questions

What is Cataplex® B12 for Dogs by Standard Process?
Cataplex® B12 for Dogs is a whole food–based supplement designed to support blood health, nervous system function, and general wellbeing. It provides vitamin B12 along with organ and plant-based ingredients that support absorption and utilization.

How does Cataplex® B12 support my dog’s health?
It supports healthy red blood cell production, normal nerve function, digestion, and energy metabolism. Vitamin B12 is also essential for myelin synthesis and central nervous system health.

Can Cataplex® B12 be used long term?
Yes, when used as directed, it is commonly used as part of ongoing wellness support. Long-term use should always be guided by a veterinarian familiar with your dog’s health history.

How should I give Cataplex® B12 to my dog?
It is given orally, either as a tablet or mixed into food. Some dogs do best when the tablet is crushed and blended into meals.

Are there side effects with Cataplex® B12 for Dogs?
It is generally very well tolerated. Mild digestive upset can occur in some dogs, especially when starting, and usually resolves with gradual introduction.

If you are looking for a gentle, whole food way to support your dog’s nervous system, blood health, and overall vitality, Cataplex® B12 for Dogs can be a valuable part of a thoughtful wellness plan.