10 Best Laxatives 2025 in the United States

MiraLAX Gentle Constipation Relief Laxative Powder is an osmotic laxative, which means it works by drawing water into the colon to soften the stool and make it easier to pass. This product stands out for its gentle approach, typically taking 1-3 days to take effect. This gradual onset is beneficial for those who prefer not to experience sudden urges or cramping, which can be common with stimulant laxatives.

The formulation comes in a powder form that you need to dissolve in a liquid, and it has no added taste or grit, making it easy to consume. It's designed for occasional use, which is important for managing constipation without overusing laxatives. One of its primary benefits is the minimal side effects; it helps alleviate constipation without causing gas, bloating, or cramping. The product is also free from gluten, sugar, and preservatives, making it a good option for people with dietary restrictions.

Users looking for immediate relief might find the 1-3 day onset time too slow. Additionally, the need to mix the powder with a beverage might be less convenient compared to ready-to-use formulations. It’s been highly recommended by physicians and is a popular choice in the market, but it’s important to follow the usage instructions carefully to avoid overuse. This product would be particularly beneficial for those who want a gentle, less aggressive laxative option and can tolerate a slower onset time.

Metamucil 3-in-1 Fiber Capsules are designed to help promote digestive health by maintaining regularity. Made with just two ingredients, including plant-based psyllium husk fiber, these capsules are a natural option for those seeking to improve their digestive health. One of the key benefits is that it helps support healthy blood sugar levels and can also contribute to heart health by lowering cholesterol levels.

These capsules are convenient and easy to take, making them suitable for on-the-go use. As a well-trusted brand recommended by doctors for over 90 years, Metamucil's formulation is backed by significant credibility in the market. However, it's important to note that as a fiber supplement, it may take some time to notice its effects, and it should be used consistently as part of a daily routine.

Some users may experience mild side effects such as bloating or gas when first starting the supplement. Additionally, while its plant-based composition is a strength, the product might not be suitable for those who prefer immediate relief from laxatives. Metamucil 3-in-1 Fiber Capsules are best suited for adults looking to gradually improve their digestive health through a natural, plant-based fiber supplement.

Amazon Basic Care ClearLax is an osmotic laxative with Polyethylene Glycol 3350 as its active ingredient, similar to MiraLAX. This type of laxative works by drawing water into the bowel to soften stools and make bowel movements more frequent. Users can expect relief from occasional constipation within 1 to 3 days, which is a relatively standard onset for this kind of product.

The unflavored powder form is convenient as it can be mixed with any beverage and is free from grit, sugar, and gluten, making it a good option for those with dietary restrictions. It is suitable for adults and children aged 17 and over. However, as with any laxative, it's important to use it as directed to avoid potential side effects such as bloating, gas, or an upset stomach.

Frequent or prolonged use should be discussed with a healthcare provider to avoid dependency or other health issues. This product is particularly beneficial for those needing a gentle, doctor-recommended solution for occasional constipation without the taste and texture issues some may find with other laxatives.