Are Prunes Good for Weight Loss?
Yes, prunes can support weight loss when a modest portion replaces a higher-calorie snack, because their fiber may help you feel full while the swap reduces your calorie intake. A 2025 systematic review and meta-analysis of 14 studies found a reduction in body weight with prune-product consumption, although it did not find a significant effect on body fat. Start with a small portion and consider your health needs and overall eating pattern.
Can prunes help you lose weight?
Prunes can be a useful part of a weight-loss plan, but they are not a weight-loss treatment. Their potential value depends on how much you eat and what they replace. Adding them to your usual meals and snacks could increase your calorie intake instead of reducing it.
Like other best foods for weight loss, prunes work best as part of an eating pattern you can maintain. They do not burn fat or make up for a consistently higher calorie intake than your body uses.
How might prunes support weight loss?
Prunes contain fiber, which can help some people feel satisfied after eating. That may make a portion of prunes a useful alternative to a snack that leaves you hungry soon afterward. People respond differently, however, and fullness alone does not guarantee weight loss.
Prunes also contain natural sugars and sorbitol, a sugar alcohol that can have a laxative effect. A bowel movement may temporarily change the number on the scale, but that is not the same as losing body fat.
Because prunes are dried fruit, they contain less water and are more calorie-dense than fresh plums. A large portion can add up, even though prunes are a nutritious food. Check the package if you want to compare portions or see whether sugar has been added.
For another way to reduce calories without relying on a single food, see the best drinks for weight loss.
What does the evidence say about prunes and weight loss?
The systematic review looked at randomized controlled trials of prune products in adults. Its pooled results showed a significant reduction in body weight, but not in body mass index, waist circumference or fat mass. That makes the findings encouraging, but more limited than a claim that prunes reduce body fat.
The evidence does not establish that every person will lose weight by eating prunes, or that one particular portion or schedule will work. The review also does not prove that fiber-related fullness caused the weight change. Results from prune products should not be treated as proof that every food containing prunes has the same effect.
Overall, prunes are a reasonable food to include if you enjoy them, rather than something you need to eat for weight loss. A sustainable eating pattern, activity, sleep and individual health circumstances all matter more than any one snack.
How can you use prunes for weight loss?
Choose a small portion of prunes in place of a higher-calorie snack you would otherwise eat. If you are comparing packaged foods, use the serving information on each label rather than assuming that a dried-fruit snack is always lower in calories.
Try these practical approaches:
- Put a portion in a bowl or container instead of eating straight from the package. This makes it easier to notice how much you are eating.
- Add chopped prunes to a meal or snack you already enjoy, while adjusting the other ingredients if needed. Prunes can add sweetness, but they still contribute calories.
- Pair prunes with a source of protein, such as plain yogurt, if that helps you feel satisfied. Pay attention to the portion of the whole snack, not just the prunes.
- Start with a small amount if you are not used to prunes or a high-fiber diet. Increase gradually only if they agree with you.
There is no need to force prunes into your diet if you dislike them. Other foods and eating patterns can also support weight loss.
Who should be careful with prunes?
Prunes can cause gas, bloating or loose stools, particularly if you eat a lot or are sensitive to sorbitol. If you have irritable bowel syndrome or frequent diarrhea, ask a clinician or registered dietitian whether prunes fit your diet.
If you have diabetes, consider the carbohydrate in prunes as part of your usual meal planning. If you take insulin or another medication that can lower blood sugar, discuss substantial diet changes with your care team; do not change or stop medication on your own. People with kidney disease or a prescribed potassium restriction should also ask their clinician or dietitian about suitable portions.
During pregnancy or breastfeeding, and for children, seek professional advice before starting a weight-loss plan. See a clinician for persistent constipation or diarrhea, unexplained weight loss, or symptoms that concern you. Seek urgent care for severe abdominal pain, vomiting, or inability to pass stool or gas.
Frequently asked questions
Is there a best time of day to eat prunes for weight loss?
There is no established best time. Choose a time that fits your routine and helps you manage your overall eating pattern.
Do prunes need to be soaked for weight loss?
No. There is no evidence that soaking prunes makes them more effective for weight loss.
Sources
- The effects of prune products consumption on anthropometric measurements and blood pressure in adults: A systematic review and dose-response meta-analysis. Diabetes & metabolic syndrome (2025). PubMed 39721492