A normal bowel movement frequency ranges from three times a day to three times a week, so “not pooping enough” looks different for everyone. But when things slow down and you feel backed up, a combination of dietary changes, body positioning, hydration, and sometimes over-the-counter products can get your system moving again. Here’s what actually works and why.
Fiber: The Single Biggest Factor
Insoluble fiber passes through your digestive system mostly intact, adding bulk to stool and pushing waste through your colon faster. Soluble fiber dissolves in water and forms a gel that softens stool, making it easier to pass. You need both types working together for regular, comfortable bowel movements.
The USDA recommends 25 grams of fiber per day for women and 38 grams for men under age 50. After 50, the targets drop slightly to 21 and 30 grams. Most people fall well short of these numbers. Good sources of insoluble fiber include whole wheat, vegetables, and nuts. Soluble fiber shows up in oats, beans, apples, and citrus fruits.
If you’re adding fiber to your diet after eating very little of it, increase gradually over a week or two. A sudden jump in fiber intake can cause bloating and gas, which discourages people from sticking with it.
Why Prunes Work Better Than Most Remedies
Prunes (dried plums) are one of the most studied natural laxatives, and they outperform even fiber supplements. Eating six prunes twice a day doubled bowel movement frequency in clinical trials. Participants went from an average of 1.7 complete spontaneous bowel movements per week to 3.5, compared to 2.8 per week for those taking psyllium, a common fiber supplement. Prunes contain both fiber and sorbitol, a sugar alcohol that draws water into the colon and softens stool.
Water Matters, but Only if You’re Low
Dehydration hardens stool because your colon absorbs more water from waste when your body is running low on fluids. Research from Monash University found that bowel movement frequency drops noticeably when fluid intake falls to around 500 milliliters per day compared to 2,500 milliliters. However, drinking extra water beyond your normal adequate intake doesn’t appear to increase stool output in healthy people. The takeaway: if you’re not drinking enough, more water helps. If you’re already well-hydrated, chugging extra glasses won’t fix constipation on its own.
Coffee Gets Your Colon Moving Fast
Coffee stimulates the release of a hormone called gastrin from the stomach lining, which triggers contractions in the colon. This can happen remarkably quickly. According to gastroenterologist Dr. Christine Lee at the Cleveland Clinic, some people feel the urge to go within four minutes of drinking coffee, especially if stool is already sitting in the colon ready to move. Both caffeinated and decaf coffee have this effect, though caffeine adds an extra push. If you’re looking for a quick, natural nudge in the morning, a cup of coffee on its own or with breakfast is one of the most reliable options.
How Your Sitting Position Changes Everything
The angle between your rectum and your anal canal determines how easily stool can exit. When you sit upright on a standard toilet, that angle sits around 90 degrees, which creates a partial kink. Squatting opens it to roughly 140 degrees, straightening the path considerably.
Footstools marketed for this purpose haven’t shown significant improvements in studies. What does help is leaning forward while sitting, placing your hands on or near the floor. This mimics the squatting position enough to widen the angle, and the weight of your torso pressing against your thighs adds gentle pressure on the colon. If you regularly strain during bowel movements, this simple posture adjustment can make a noticeable difference.
Probiotics That Increase Bowel Frequency
Not all probiotics help with constipation, but two specific strains have solid clinical evidence behind them. Bifidobacterium lactis has been shown across multiple studies to increase how often people have bowel movements. Lactobacillus casei Shirota goes further, improving not just frequency but also stool consistency, straining, and that lingering feeling of incomplete emptying. It also reduced abdominal discomfort and gas in several trials. Look for these specific strains on probiotic labels if constipation is your main concern. Generic “probiotic blend” products may not contain the strains that have been tested for this purpose.
Over-the-Counter Laxatives
When diet and lifestyle changes aren’t enough, several types of laxatives are available without a prescription. They work through different mechanisms and on different timelines.
- Bulk-forming laxatives (like Metamucil or Citrucel) are essentially fiber supplements. They absorb water and expand in your intestine, adding bulk to stool. They take 12 hours to three days to work and are the gentlest long-term option.
- Osmotic laxatives (like MiraLAX or Milk of Magnesia) pull water into the colon to soften stool. Most take one to three days, though salt-based versions can work in as little as 30 minutes.
- Stool softeners (like Colace) add moisture to stool so it’s easier to pass. They take 12 hours to three days and work best for preventing straining rather than treating severe constipation.
- Stimulant laxatives (like Dulcolax tablets or senna) force the muscles of your colon to contract and push stool along. They typically work within six to 12 hours and are effective for occasional use, but relying on them regularly can make your colon less responsive over time.
- Lubricant laxatives (mineral oil) coat stool so it slides through more easily, usually working in six to eight hours.
For occasional constipation, osmotic laxatives and stool softeners are the most commonly recommended starting points. Stimulant laxatives are better reserved for situations where gentler options haven’t worked.
Daily Habits That Keep Things Regular
Beyond specific foods and products, a few habits help maintain consistent bowel function. Physical activity stimulates the muscles in your intestinal walls, which is why sedentary people are more prone to constipation. Even a daily walk can make a measurable difference. Eating meals at roughly the same time each day trains your digestive system to follow a predictable rhythm, and your colon is most active in the morning and after meals. Giving yourself unhurried time on the toilet, rather than rushing or ignoring the urge, prevents stool from sitting in the colon longer than necessary, where it continues to lose water and harden.
For most people, a combination of adequate fiber, enough water, regular movement, and good toilet posture resolves constipation without medication. When those basics aren’t enough, prunes and probiotics are the strongest evidence-backed natural options before moving to over-the-counter laxatives.

