Best Magnesium Supplement for Constipation

Constipation happens. Not only is it an uncomfortable and embarrassing condition - it can cause hemorrhoids and anal prolapse if not treated.

Magnesium has been a tried and true constipation remedy for a very long time. There’s a good reason the cure has lasted all these years.

It really works.

I’m going to go into all the details you need to know about the best magnesium supplement for constipation in this post.

What Is Constipation?

Constipation isn’t necessarily an illness on its own. It’s more likely to occur as a symptom of another issue.

Essentially, constipation means difficulty having a bowel movement or infrequent bowel movements. Bowel movements may be hard, small, and painful to pass.

You know it if you’ve experienced it.

Feeling like you need to defecate and being unable to do so is a remarkably uncomfortable experience. The bloating, gas, and abdominal discomfort that accompany it are just the icing on the cake.

Constipation is a fairly normal and common condition. It can arise short term due to dehydration, poor dietary choices, or even just a change in your normal routine.

Constipation is rarely truly harmful. It is also a side effect of many medications. The real potential for health issues lie in chronic constipation.

Chronic Constipation

Chronic constipation means the symptoms of constipation continue occurring over a long period of time.

This can put your health at risk and can cause long-term damage, particularly to the anal region.

Hemorrhoids are a common and relatively non-dangerous problem, but a rather uncomfortable one. Veins in the lower rectum and anus become swollen and bulge. These swollen veins can become irritated and make pooping very unpleasant, to say the least.

Chronic constipation can also cause anal fissures. Fissures are cracks in the skin around the anus. They cause burning and itching and may bleed and become infected.

Rectal prolapse is another potential condition caused by chronic constipation, where the stretched rectum protrudes from the anus.

Who is Most Likely to Suffer from Constipation?

Almost everyone will experience constipation from one cause or another at some point in their lives. However, there are certain people who are at a higher risk.

Older people, women, people who are sedentary, people who are frequently dehydrated, and people on certain medications are at risk.

Lifestyle Changes to Decrease the Risk of Constipation

There are several things you can do to help prevent constipation that have nothing to do with medications or supplements.

First off, increasing your dietary fiber intake will definitely help. Staying active can help keep your bowels moving, as well. Staying well hydrated can help ward off constipation too.

You can also help keep constipation at bay by simply not ignoring the urge to have a bowel movement. Holding on when you need to go can cause your bowels to absorb too much water from the stool, leading to hard, lumpy bowel movements that are difficult to pass later.

Frequently Recommended Constipation Remedies

Fiber supplements are commonly the first line of defense against oncoming constipation. Fiber helps prevent and treat constipation by helping the food you eat retain more water through the digestive processes.

Over the counter laxatives are a common remedy for constipation, and magnesium supplements fall into that category. These treatments help the bowels to get moving and may help soften stools so that they are easier to pass.

When to Call the Doctor About Constipation

Under extreme circumstances, prescription medications may be necessary to help evacuate the bowels. If you’re suffering from constipation and having little luck with common OTC products, you should consider speaking with your doctor.

Constipation, while a symptom and not a disease, can indicate a bigger health problem. You should address this and lack of success with everyday products with your physician.

How Does Magnesium Treat Constipation

Magnesium helps alleviate constipation symptoms by drawing water into the stools. This helps stools stay softer and easier to pass.

Since magnesium is important to muscle contraction and relaxation, boosting this mineral may literally help the bowel muscles to move waste along.

What Kind of Magnesium is Good for Constipation?

The best magnesium supplement for constipation is likely magnesium citrate. It’s the most common form of magnesium used in laxative magnesium supplements. Magnesium chloride is also used fairly frequently.

Look for these forms of magnesium on the labels of your prospective supplement.

Is Magnesium Supplementation Ever a Bad Idea?

Magnesium toxicity is highly unlikely when only consuming dietary magnesium. However, there have been reported cases of organ damage caused by too much magnesium where supplements are concerned.

Make sure you always follow the recommended dosages on any supplements.

People with diabetes, heart disease, and intestinal diseases should speak with their doctor before starting magnesium supplements. It’s advisable to be very cautious when using magnesium supplements for children as their magnesium needs are much lower than those of adults.

Magnesium, even in supplement form, is mostly safe when used as prescribed or as package instructions state.

We’ll take a look at some of the best magnesium supplements for constipation on the market, and I’ll let you in on my favorite.

Aerobic Life Mag 07 Oxygen Digestive System Cleanser Capsules



Our rating

This supplement uses both magnesium and potassium in a time released formula to help ease constipation symptoms. They come in capsule form for easy consumption, and the manufacturer touts their impact on colon health.


  • Easy on the stomach
  • Capsules can be opened and dissolved in water
  • Reduces bloating
  • No cramping for most users


  • May cause gas
  • Can create very urgent need to defecate
  • May cause nausea
  • Large pills difficult to swallow
  • Many pills per day

Dead Sea Magnesium Oil (travel size) by Magnum Solace



Our rating

This spray on oil is probably not what comes to mind when you think of magnesium supplements because it is nothing like your grandmother’s milk of magnesia. However, this spray can be taken orally or used topically to provide a beneficial dose of magnesium.


  • Spray is easy to apply
  • Can be taken orally
  • Small, travel sized bottle
  • Utilizes ‘pure’ magnesium oil


  • May cause redness or skin irritation
  • Can create a burning sensation topically

Now Foods Magnesium Citrate



Our rating

This magnesium supplement is a more traditional take on magnesium for constipation. It uses good, old-fashioned magnesium citrate just like doctors have been recommending for years to treat constipation. It’s the perfect choice if you’re looking for that tried and true remedy.


  • Uses magnesium citrate
  • Partially water soluble
  • Vegetarian, non-GMO formula
  • Made in USA
  • Fairly low cost


  • Contains some undesirable fillers
  • Can cause urgency to defecate
  • Large capsules difficult to swallow

Philips’ Laxative Caplets



Our rating

This magnesium is used solely as a means to relieve constipation. Cheap and readily available, this is a constipation treatment that utilizes magnesium to create a non-cramping laxative experience.


  • Very affordable
  • Small, easily swallowed capsules
  • Offers gentle, gradual relief


  • Slower acting than some magnesium supplements
  • Less laxative effect than milk of magnesia
  • May cause rectal bleeding
  • Large dosage per pill

Natural Calm by Natural Vitality



Our rating

As one of the leading magnesium supplement companies on the internet, Natural Vitality knows how to make them. This supplement comes in a powder form which is to be mixed with water and consumed as a beverage.


  • Absorbed well by the body
  • Drinkable version
  • Reputable company
  • Has many other health benefits


  • Some find the mineral taste unpleasant
  • Must heat water (or liquid) before dissolving

The Last Word on The Best Magnesium Supplement for Constipation

When it comes to magnesium for constipation, you just can’t beat some good old fashioned Phillip’s in my mind. The product does its job well at a very low price point.

While there are more advanced products on the market, like the Natural Calm, Phillip’s is a tried and true remedy that will always be my go-to when constipation strikes. If it didn’t do the trick, I’d certainly be willing to use another product.

If you have any other questions about which is the best magnesium supplement for constipation, don’t be afraid to ask! We’re here to answer any health questions you can throw at us.


Helen Sanders

Chief editor here at Health Ambition, I'm a proud mother of two passionate about nutrition and ways to live healthier with more energy!

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