If you are struggling with bloating, gas, constipation, nutrient deficiencies, or food intolerances, the problem may not be your gut lining—it may begin much earlier in digestion. Digestive enzymes and bile play a critical role in breaking down food, absorbing nutrients, and keeping the digestive tract moving efficiently. When digestive enzymes, bile flow, or intestinal motility are impaired, even a healthy diet may not be properly digested or absorbed.

In Part 1 of this digestive health series, we explored how chewing thoroughly and producing adequate stomach acid prepare food for digestion.

Now we move further downstream to examine three essential processes that support gut health:

• Digestive enzymes
• Healthy bile flow
• Intestinal motility

Together, these systems determine how well you absorb nutrients, maintain a balanced microbiome, and protect the intestinal lining.

Digestive Enzymes: Breaking Down Nutrients for Absorption

Once food leaves the stomach, it enters the small intestine where the pancreas releases powerful digestive enzymes.

These enzymes break food into molecules small enough for absorption.

Protein Digestion

Proteases, including trypsin and chymotrypsin, digest proteins into amino acids needed for:

• Muscle repair
• Immune function
• Hormone production
• Neurotransmitter synthesis

Fat Digestion

Lipase breaks dietary fats into fatty acids and glycerol.

Healthy fat digestion supports:

• Cell membranes
• Brain function
• Hormone production
• Energy production

Carbohydrate Digestion

Pancreatic amylase continues breaking down carbohydrates into simple sugars that provide usable energy.

Without enough digestive enzymes, food remains only partially digested. These undigested particles can ferment within the intestine, contributing to bloating, gas, bacterial overgrowth, and irritation of the intestinal lining.

Digestive Enzymes: Signs of Enzyme Deficiency

You may notice:

• Gas or bloating one to three hours after eating
• Feeling overly full after meals
• Floating or greasy stools
• Undigested food in the stool
• Fat-soluble vitamin deficiencies (A, D, E and K)

Digestive Enzymes: How to Support Enzyme Function

You can naturally support enzyme production by:

• Eating slowly and chewing thoroughly
• Managing stress before meals
• Limiting highly processed foods and excess sugar
• Discussing digestive enzyme supplementation with your healthcare practitioner
• Considering pancreatic elastase testing if symptoms persist

Digestive Enzymes and Healthy Bile Flow

Although digestive enzymes receive most of the attention, healthy bile flow is equally important.

Bile is produced by the liver, stored in the gallbladder, and released whenever dietary fat enters the small intestine.

Healthy bile performs several essential functions.

Fat Digestion

Bile emulsifies dietary fat into tiny droplets, allowing lipase to digest fats efficiently.

Vitamin Absorption

Without adequate bile, the body cannot properly absorb:

• Vitamin A
• Vitamin D
• Vitamin E
• Vitamin K

These nutrients support vision, immune health, bone strength, blood clotting, and antioxidant protection.

Detoxification

Bile also helps eliminate:

• Excess cholesterol
• Used estrogen
• Environmental toxins
• Certain medications
• Waste products

When bile flow slows, these compounds may be reabsorbed rather than eliminated efficiently.

Signs of Poor Bile Flow

Common symptoms include:

• Nausea after fatty meals
• Right upper abdominal discomfort
• Pale or clay-colored stools
• Dry skin
• Acne
• Hormonal imbalance
• Difficulty digesting fatty foods

Digestive Enzymes and Poor Bile Flow

Simple strategies include:

• Eating bitter vegetables such as arugula or dandelion greens
• Using ginger or lemon before meals
• Staying well hydrated
• Including healthy fats in appropriate amounts
• Speaking with a qualified practitioner about supplements such as taurine, phosphatidylcholine, artichoke extract, or ox bile

Intestinal Motility and Gut Health

Even when digestion is working well, food still needs to move efficiently through the gastrointestinal tract.

This movement is called intestinal motility.

When motility slows, food remains in the small intestine longer than intended. This encourages bacterial fermentation and may contribute to:

• Small intestinal bacterial overgrowth (SIBO)
• Constipation
• Gas
• Abdominal bloating
• Inflammation

Signs of Slow Intestinal Motility

Symptoms may include:

• Increasing bloating throughout the day
• Feeling full after small meals
• Constipation
• Incomplete bowel movements
• Recurring SIBO
• Brain fog
• Fatigue after eating

Supporting Healthy Intestinal Motility

Healthy motility can often be improved through lifestyle habits.

These include:

• Taking a short walk after meals
• Eating meals at regular times
• Practicing diaphragmatic breathing
• Humming or gargling to stimulate the vagus nerve
• Maintaining adequate hydration

Magnesium may also help.

• Magnesium citrate and magnesium oxide often support bowel regularity.
• Magnesium glycinate is generally better tolerated in individuals with sensitive digestion but is less likely to stimulate bowel movements.

Natural prokinetic supplements such as ginger or Iberogast® may be appropriate for some individuals under practitioner guidance.

Why Digestive Enzymes and Bile Matter

Many people focus exclusively on repairing the gut lining. However, digestive enzymes and bile must be functioning properly before gut repair strategies can be fully effective.

Before assuming you have "leaky gut," ask yourself:

• Is my food being properly broken down?
• Am I absorbing fats and fat-soluble vitamins?
• Is my digestive system moving food efficiently?

Correcting problems with digestive enzymes, bile flow, and motility often reduces digestive symptoms by addressing the underlying cause rather than simply treating the consequences.

Coming Next: Repairing the Gut Barrier

In Part 3, we will explore:

• The intestinal barrier
• The gut microbiome
• Secretory IgA
• Short-chain fatty acids
• Practical strategies to support gut repair

Ready to Improve Your Digestion?

Digestive symptoms rarely have a single cause. A comprehensive evaluation can help identify where digestion is breaking down and develop an individualized treatment plan.

To schedule an appointment with Dr. Mary Clark, DACM, LAc, contact:

Raleigh Health & Wellness Center 📞 Call (919) 909-5736 or visit Raleigh Health & Wellness Center
📍 8358 Six Forks Road, Suite 204, Raleigh, NC 27615

References

• Camilleri, M., Bharucha, A.E. & Farrugia, G. (2008). https://www.nejm.org/doi/full/10.1056/NEJMra0804646 Gastrointestinal motility disorders. New England Journal of Medicine, 358(9), pp.928–937.
• Di Ciaula, A. & Portincasa, P. (2018). https://www.mdpi.com/2072-6643/10/11/1780 The role of the gut-liver axis in nonalcoholic fatty liver disease and bile acid metabolism. Nutrients, 10(11), 1780.
• Layer, P. & Keller, J. (2003). https://gut.bmj.com/content/52/suppl_2/ii1 Pancreatic enzymes: Secretion and luminal nutrient digestion in health and disease. Gut, 52(Suppl II), ii1–ii10.
• Lembo, A. & Camilleri, M. (2003). https://www.nejm.org/doi/full/10.1056/NEJMra020995 Chronic constipation. New England Journal of Medicine, 349(14), pp.1360–1368.
• Whitcomb, D.C. (2010). https://www.gastrojournal.org/article/S0016-5085(10)00142-2/fulltext Pancreatitis: TIGAR-O Version 2 Risk/Etiology Checklist with topic review. Gastroenterology, 138(3), pp.918–924.