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Having a bowel movement every morning is generally a good thing, but the consistency of our stool matters just as much as its frequency. Ideally, bowel movements should be soft, formed and easy to pass — not watery or urgent.
When something we consume regularly causes diarrhea, it isn’t necessarily helping our bodies detoxify. Instead, it may be irritating the digestive tract, drawing excess water into the intestines or causing bile acids to reach the colon in excessive amounts.
How Excess Bile Causes Diarrhea
Our liver produces bile, which helps digest fats and carries certain waste products into the intestines for elimination. The gallbladder stores and releases bile when we eat, especially when we consume fat.
Normally, most bile acids are reabsorbed in the small intestine and recycled back to the liver. This is called enterohepatic circulation.
However, when too many bile acids reach the colon, they stimulate the secretion of water and electrolytes and increase intestinal motility. The result can be loose, watery stools, urgency and diarrhea.
This condition is called bile acid diarrhea, sometimes described informally as bile dumping.
One example: Why Sole Water May Cause Diarrhea
One concern with using Sole saltwater to force bowel movements is that watery diarrhea may create the impression of effective detoxification, when much of what’s being lost may simply be water and electrolytes.
The liver releases waste products into bile, which enters the intestines. Most bile acids are normally reabsorbed and recycled back to the liver, while a smaller portion is eliminated in stool. Soluble fiber can help bind bile acids and increase their elimination, reducing their reabsorption.
Research shows that watery diarrhea doesn’t necessarily mean greater bile acid elimination. Stool consistency alone is not a reliable indicator of how much bile is being excreted, and there’s no good evidence that Sole improves bile acid binding or increases the removal of liver-derived toxins.
The goal isn’t simply to force a bowel movement, but to support regular, well-formed stools that allow normal waste elimination without unnecessary water and electrolyte losses.
Example 2: What About Magnesium Oxide?
Magnesium oxide is another supplement commonly used to stimulate bowel movements. Unlike Sole, which delivers concentrated sodium chloride, magnesium oxide provides magnesium while also drawing water into the intestines to soften stools and encourage elimination. Because it avoids a large saltwater load, magnesium oxide may be a better option for occasional constipation, particularly when magnesium supplementation is also beneficial.
However, magnesium oxide is relatively poorly absorbed, and much of its laxative effect comes from magnesium remaining in the intestines. Like Sole, it can produce watery stools or diarrhea when too much is taken.
Neither approach is ideal if it causes diarrhea. Magnesium oxide may be preferable to Sole, but it doesn’t necessarily improve bile acid binding or liver-derived toxin elimination. The goal is comfortable, soft, well-formed bowel movements, not forcing water through the intestines. As with sole, excessive laxative effects from Mg oxide can lead to fluid and electrolyte losses. Magnesium oxide requires additional caution in people with impaired kidney function.
Why Watery Bowel Movements Aren’t Ideal
When stool moves too quickly through the intestines, the colon doesn’t have enough time to reabsorb water and electrolytes.
Repeated diarrhea can lead to:
- Dehydration: Losing more water than the body can comfortably replace.
- Electrolyte imbalances: Excessive losses of potassium and other minerals, depending on the cause and severity.
- Digestive irritation: Diarrhea can cause irritation throughout the entire intestinal lining, affecting both the small intestine and the colon.
- Poorer nutrient absorption: Rapid intestinal transit interferes with digestion and absorption.
Importantly, watery stools are not evidence that the body is removing more toxins. Diarrhea can actually place additional stress on the body.
What Healthy Bowel Movements Should Look Like
Ideally, stool should resemble a soft, formed sausage or smooth log — corresponding to Types 3 and 4 on the Bristol Stool Chart.
A healthy bowel movement should pass comfortably, without straining, urgency or diarrhea. Some people go several times daily, while others go less frequently. One to three times daily is ideal. Regularity and comfortable passage matter more than forcing a bowel movement.
The goal isn’t simply to get things moving. It’s to support healthy digestion, normal bile recycling and comfortable, well-formed bowel movements that allow the body to eliminate waste without unnecessary fluid and mineral losses.
What to do if you have daily diarrhea
If you struggle to have well-formed daily bowel movements and experience diarrhea from IBS or a supplement, let’s look at some next steps.
First, consider the underlying causes. Chronic diarrhea may involve excess bile acids reaching the colon, where they stimulate water secretion and loose stools. This can occur after gallbladder removal, with disease or surgical removal of the terminal ileum (where most bile acids are normally reabsorbed), or with other disruptions in bile acid production, absorption and circulation. Liver and bile flow problems, changes in gut bacteria, and certain supplements may also contribute.
Rather than simply trying to stop diarrhea, focus on improving digestion and bile handling:
- Soluble fiber, including Sunfiber, may help support more formed stools and a healthier gut microbiome.
- Activated charcoal (here’s the best one) can bind bile acids in the intestines, potentially reducing their reabsorption. Higher doses of charcoal can slow rapid intestinal transit.
- Address nutritional deficiencies, support overall liver health, and identify foods or supplements that aggravate symptoms.
- If magnesium, Sole saltwater or another supplement causes watery stools, reduce or discontinue the offending product rather than continuing to force bowel movements. (Choose a magnesium that’s gentler and better absorbed.)
The goal is to restore comfortable, regular, well-formed stools while supporting normal bile circulation and waste elimination.
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