What are the ingredients in Cataplex AC?

December 6, 2025 •

2 min read

First introduced in 1950, Standard Process Cataplex A-C is known for its whole food philosophy and is formulated with a complex blend of plant and animal-derived ingredients. To understand what are the ingredients in Cataplex AC, it is essential to examine its proprietary blend and the roles of its various whole food sources.

Quick Summary

Cataplex A-C contains a proprietary blend of whole food concentrates and animal tissue extracts, including Vitamins A and C, calcium lactate, Echinacea, and other nutritional compounds. It is designed to support immune function, eye health, and healthy epithelial and connective tissues.

Key Points

Complex Proprietary Blend: The supplement features a diverse mix of plant and animal-derived ingredients, not just vitamins.
Immune Support: Key components like Vitamins A and C, plus Echinacea, are included to support a healthy immune system response.
Whole Food Sources: Ingredients like organic carrot, sweet potato, and buckwheat are sourced from whole foods, aligning with the company's philosophy.
Glandular Extracts: Bovine adrenal and kidney extracts provide targeted, specific organ support.
Synergistic Action: The blend is designed so that multiple nutrients work together for enhanced bioactivity, rather than relying on isolated components.
Antioxidant Activity: Vitamins A and C provide antioxidant activity, protecting cells and tissues from oxidative damage.

A Deep Dive into the Cataplex A-C Proprietary Blend

Standard Process Cataplex A-C is a complex supplement designed according to a whole food philosophy. Its proprietary blend includes a variety of plant-based ingredients and animal tissue extracts. The specific components, as listed by Standard Process, include a mix of vitamins, minerals, and whole food concentrates.

Key components of the proprietary blend include elemental minerals like calcium lactate and magnesium citrate. The formula also incorporates organic vegetables such as carrots and sweet potatoes, known for provitamin A carotenoids. Nutritional yeast provides B-vitamins and other nutrients.

Animal Tissue and Botanicals

In line with the whole food approach, Cataplex A-C contains animal-derived ingredients like bovine adrenal and kidney extracts for targeted organ support. The supplement also features botanicals and plant powders. A full ingredient list is available on the {Link: Standard Process website https://www.standardprocess.com/products/cataplex-a-c}.

Cataplex A-C vs. Cataplex A-C-P: A Comparison

A related product, Cataplex A-C-P, includes a vitamin P complex (bioflavonoids) which can enhance vitamin C absorption and has a focus on vascular integrity.


Feature	Cataplex A-C	Cataplex A-C-P
Key Differentiator	Combination of vitamins A & C with Echinacea.	Includes a Vitamin P complex (bioflavonoids) for enhanced absorption.
Immune Support	Supports immune system response and function.	Supports immune function, also provides vitamin P complex.
Primary Function	Maintenance of healthy cells, tissues, and eye health.	A focus on vascular integrity and vitamin C absorption.
Ingredient Profile	Features a proprietary blend including various whole food concentrates and animal tissue extracts.	Contains a similar blend, with the addition of the vitamin P complex.

The Whole Food Philosophy

Dr. Royal Lee's whole food philosophy underpins the formulation of Cataplex A-C, emphasizing the use of nutrients in whole food compounds for better bioavailability. Standard Process utilizes ingredients from its certified organic farm.

Quality Control and Manufacturing

Standard Process maintains strict quality control, including processing fresh plants quickly and using low-temperature drying to preserve nutrients. Extensive testing is also conducted.

Conclusion

Cataplex AC contains a blend of whole food concentrates, animal tissue extracts, and vitamins A and C, formulated according to a whole food philosophy.

Frequently Asked Questions

The primary purpose of Cataplex A-C is to support immune system function, maintain healthy cells and tissues, support eye health, and provide ingredients with antioxidant activity, according to the manufacturer.

Yes, Cataplex A-C contains several animal-derived ingredients as part of its proprietary blend, including extracts from bovine adrenal, bovine kidney, bovine bone, and veal bone.

Standard Process uses a low-temperature, high-vacuum drying technique to preserve the enzymatic vitality and nutritional potential of its ingredients, processed from organically grown plants on their certified farm.

No, Cataplex A-C is not a synthetic vitamin supplement. It is based on a whole food philosophy, which combines whole food concentrates, extracts, and animal tissue concentrates to provide a broader nutritional benefit.

The main difference is that Cataplex A-C-P includes a vitamin P complex (bioflavonoids) which enhances the absorption of vitamin C, and is also formulated with a focus on vascular integrity.

According to the product information, pregnant or nursing women should consult their health care professional before using Cataplex AC. It's also cautioned for individuals with allergies to plants in the daisy family.

Yes, the product contains wheat, as listed in the ingredient panel. However, some retailers may offer non-dairy or non-soy versions, so it's best to check the specific product label.