What is Dr. Mercola D-Mannose?

The Dr. Mercola’s D-Mannose is one of the many D-Mannose-based supplements on the market that seek to promote a healthy urinary tract system. The product boasts of possessing capabilities that support the overall health of your urinary tract system. The manufacturer also credits it with the ability to maintain a healthy balance of flora within your intestinal system. The last claim the remedy makes is that it can strengthen your immune system. The aim of this review article is to empower you with accurate information about this product so that you can make a buying decision worth your money’s value.


The following are the ingredients that formulate this supplement.

  • DDS Probiotic Proprietary Blend (Lactobacillus acidophilus DDS-1, Bifidobacterium bifidum, Bifidobacterium longum, Bifidobacterium lactis) – 18mg
  • Cran-Gyn Proprietary Blend (D-Mannose, Cranberry Extract) – 250mg

Other ingredients include:

  • Rice Maltodextrin
  • Vegetable Cellulose
  • Fructooligosaccharide
  • Magnesium Hydroxide
  • Silica
  • Tricalcium Phosphate.

This product does not seem to contain a high concentration of D-Mannose compared with other products.


The manufacturer suggests that adults take one capsule daily with the first meal of the day.


A D-Mannose 30-capsule pack, enough for a 1-month supply, costs $24.99. Although when we checked the manufacturer’s website, it was selling at a discounted price of $19.97. A D-Mannose 3-Pack containing 30 capsules per bottle, enough for a 3-month supply, costs $74.99. But when we checked the manufacturer’s website, it was retailing at a discounted price of $47.97.

Possible Side Effects

Our search did not lead us to any adverse side effects that are associated with the usage of this supplement. However, you need to consume this product as per the recommended dosage so that you don’t end up suffering negative side effects that arise from D-Mannose.  Some of the adverse side effects that may follow abuse are renal injury, loose stool, and bloating. All diabetic patients need to avoid this supplement because it can cause difficulties in the regulation of blood sugar levels. Since its safety during pregnancy and breastfeeding is yet to be established, all pregnant and nursing mothers should speak to their doctor before using this product.

Manufacturer’s Commitment

The product comes with a money-back guarantee that excludes return shipping costs. MyMercola members have 90 days to return unexpired, consumable products while PremierPlus members have 365 days to return unexpired, consumable products. When we checked the manufacturer’s website, we saw no verified user reviews that can point prospective customers to the efficacy of this product.

The Bottom Line

Dr. Mercola’s D-Mannose could potentially be a good remedy to help people enjoy better urinary tract and digestive health. It contains natural ingredients and it also comes with clear dosage instructions and a money-back guarantee that shields a buyer from losses if they are not satisfied with the product’s results. However, this guarantee only applies if you are a member for Dr. Mercola products, so you will have to register first. The product does also not seem to have the same potency as other products on the market.

Do you want to find an effective Urinary Tract Infection treatment? Check out our top rated Urinary Tract Infection products