Does Collagen Influence Digestive Health and Regularity?

Collagen is a type of protein that is crucial for many structures in the body, including skin, bones, and tendons. There's no direct evidence that collagen supplements will improve bowel movements or "make you poop." However, a balanced diet, which includes protein from various sources (collagen being one of them), is essential for overall gut health.

Simple Ways to Improve your Regularity

Maintaining healthy bowel movements often involves a combination of factors such as:

  1. Consuming a fiber-rich diet: Foods rich in dietary fiber can add bulk to your stool and facilitate regular bowel movements.
  2. Staying well-hydrated: Adequate water intake can prevent dehydration, which can cause constipation.
  3. Regular exercise: Physical activity can stimulate the muscles in your intestines and help keep your digestive system in good shape.
  4. Limiting intake of processed foods: Highly processed foods often lack fiber and can lead to constipation.

If you're experiencing irregular bowel movements or constipation, it's always best to consult a healthcare provider or a dietitian who can provide you with a personalized plan to improve your digestive health. It's important to remember that while supplements can provide some benefits, they're not a substitute for a balanced, nutritious diet and regular exercise.

How Can Collagen Help With Gut Health?

Collagen plays a significant role in ensuring the health and vitality of your skin, hair, tendon, cartilage, bones, and joints. It's also believed to have potential benefits for gut health, although more research is needed in this area. Here's how collagen might benefit your gut health:

  • Supports the gut lining: The gut lining is made up of epithelial cells which are held together by "tight junctions." Collagen is integral in forming these tight junctions and maintaining the integrity of the gut lining. By ensuring a healthy gut lining, collagen may help to prevent "leaky gut," a condition where particles can pass through the gut lining into the rest of the body, triggering inflammation and other issues.
  • Aids in digestion: Collagen is rich in the amino acid glycine, which may help stimulate stomach acid production. Adequate stomach acid is necessary for breaking down food and promoting optimal digestion.
  • Healing and repair: Collagen provides the building blocks for repairing and healing the gut lining. It can be particularly beneficial for those with inflammatory bowel disease (IBD), gastritis, or other inflammatory conditions of the gut.
  • Regulates stomach acid: The amino acid glycine also helps regulate the synthesis of bile salts and secretion of gastric juices, which are essential for maintaining a healthy digestive system.
  • Anti-inflammatory properties: Collagen contains amino acids like glycine and proline which have anti-inflammatory properties. This may help reduce inflammation in the gut.

Choosing the Right Collagen to Meet Your Digestive Needs

Selecting the right collagen powder to support digestive health can seem daunting given the multitude of options available on the market. However, the process can be simplified by considering the following factors.

Type of Collagen

Collagen comes in various types, numbered I, II, III, and so on. Most collagen supplements are either type I, II, or III. While all types of collagen are beneficial, type I and III are the most abundant in the body and are crucial for maintaining a healthy gut lining. Hence, look for a supplement that contains type I and/or III collagen.

Source of Collagen

Collagen supplements are derived from various sources, including bovine (cows), porcine (pigs), marine (fish), or poultry (chicken). Bovine and marine sources are often used for type I and III collagen, which are the types beneficial for gut health. Ensure that the source is sustainable and that the animals were raised in healthy conditions, such as grass-fed and pasture-raised for bovine collagen.

Hydrolyzed Collagen

Hydrolyzed collagen, or collagen peptides, has been broken down into smaller molecules, making it easier for the body to absorb. If gut health is your primary concern, look for collagen supplements that are hydrolyzed.

Clean Ingredients

As with any supplement, you want to ensure that the product you choose is clean and free from harmful additives. Avoid supplements with added sugars, artificial flavors, or preservatives. Also, opt for non-GMO and organic options when possible.

Third-Party Testing

To ensure product quality and safety, opt for supplements that have undergone third-party testing. These independent tests verify the purity and potency of the supplement, ensuring that it is free from harmful contaminants.

Allergies and Dietary Restrictions

Make sure to choose a product that aligns with any dietary restrictions or allergies you may have. For instance, if you follow a vegetarian or vegan diet, standard collagen supplements (which are animal-derived) won't be suitable. In this case, you could consider plant-based alternatives aimed at boosting your body's collagen production, although these won't contain collagen themselves.

Manufacturer Reputation

Finally, consider the reputation of the manufacturer. Companies that are transparent about their sourcing and manufacturing practices are often more reliable. Reading reviews from other consumers can also provide valuable insight.


Leave your comment
Created on: July 28, 2023
Tanya at Zen Principle

Hi Thomas,

Our Grass-fed Collagen Peptides is tested regularly for heavy metals and other contaminants to ensure that they are safe to use.

Please feel free to send us an email at to get more details and to check the latest test results.

Created on: July 25, 2023
Thomas Clouser

What third party testing does Zen Principle have?