Cranberry Extract

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Product description

A history of urinary tract infections is one of the most common reasons for taking a cranberry supplement. Cranberry supplements not only relieve current symptoms but also provide preventative support against recurrent infections.

Cranberry supplements are also the preferred alternative for those struggling with candida, as cranberry juice contains large amounts of sugar which aggravate underlying candida concerns.  

Candida a yeast like, parasitic fungus that can sometimes cause thrush.  Thrush is a disease that is caused by a fungus that occurs mostly in infants and children and is marked by white patches in the mouth.



Cranberry Extract Supplement Facts

Suggested Use:  Take up to 5 capsules per day with or without food.

Contraindications:  means that you should not take this product if you are taking one of the listed products below.  You should check with your medical provider prior to taking this product if you are taking any of the listed medications.

Warfarin (Coumadin) is used to slow blood clotting. Cranberry might increase how long warfarin (Coumadin) is in the body, and increase the chances of bruising and bleeding. Be sure to have your blood checked regularly. The dose of your warfarin (Coumadin) might need to be changed.

It is believed that Cranberry extract might decrease how quickly the liver breaks down some medications that fall into the drug families known as Cytochrome P450 and CYP2C which may increase unwanted side effects.  Some examples of these medications include the following:

  • amitriptyline (Elavil)
  • diazepam (Valium)
  • zileuton (Zyflo)
  • celecoxib (Celebrex)
  • diclofenac (Voltaren)
  • fluvastatin (Lescol)
  • glipizide (Glucotrol)
  • ibuprofen (Advil, Motrin)
  • irbesartan (Avapro)
  • losartan (Cozaar)
  • phenytoin (Dilantin)
  • piroxicam (Feldene)
  • tamoxifen (Nolvadex)
  • tolbutamide (Tolinase)
  • torsemide (Demadex)
  • warfarin (Coumadin)

Dosing of Cranberry Extract

Suggested use:  Take 1 to 4 capsules daily

Serving Size: 1 capsule 750mg; 4 capsules 3000 mg

Physiology of Cranberry Extract

Cranberry Extract: Urinary Tract Infections (UTI) are approximately 50-fold more common in adult females than males because women have shorter urethras that allow bacteria to ascend into the bladder. The human body uses very straightforward mechanisms of defense against the bonding of bacteria such as urinary slime. Urinary slime is known as a glycoprotein and is produced by the kidneys and excreted in great quantities in the urine.  The bacteria that cause urinary tract infections strongly bind to the urinary slime resulting in being flushed from the body.  Current research suggests that cranberries work principally by preventing the adhesion of type 1 and p-fimbriae strains to the urothelium.  Without adhesion, the bacteria cannot infect the mucosal surface.  Taking cranberry extract daily helps decrease the frequency of urinary tract infections, especially in women.

Side Effects Cranberry Extract

Cranberry is LIKELY SAFE for most people when taken by mouth appropriately. Cranberry juice and cranberry extracts have been used safely in people. However, drinking too much cranberry juice can cause some side effects such as mild stomach upset and diarrhea. Drinking more than 1 liter per day for a long period of time might increase the chance of getting kidney stones.

Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking cranberry for therapeutic reasons if you are pregnant or breastfeeding. Stay on the safe side and avoid use.

Children: Cranberry juice is LIKELY SAFE for children when taken by mouth as a food or drink.

Aspirin allergy: Cranberries contain significant amounts of salicylic acid. Salicylic acid is similar to aspirin. Avoid drinking large quantities of cranberry juice if you are allergic to aspirin.

Inflammation of the stomach lining (Atrophic gastritis): Cranberry juice might increase how much vitamin B12 the body absorbs for people with atrophic gastritis. 

Diabetes: Some cranberry juice products are sweetened with extra sugar. If you have diabetes, stick with cranberry products that are sweetened with artificial sweeteners.

Low stomach acid (hypochlorhydria). Cranberry juice might increase how much vitamin B12 the body absorbs for people with low levels of stomach acid.

Kidney stones: Cranberry juice and cranberry extracts contain a large amount of a chemical called oxalate. In fact, there is some evidence that some cranberry extract tablets can boost the level of oxalate in the urine by as much as 43%. Since kidney stones are made primarily from oxalate combined with calcium, healthcare providers worry that cranberry might increase the risk of kidney stones. To be on the safe side, avoid taking cranberry extract products or drinking a lot of cranberry juice if you have a history of kidney stones.

A serious allergic reaction can occur when consuming any food, nutritional supplement, or medicine.   If you experience any of the below side effects seek immediate medical attention.

  • Rash
  • Hives
  • Itching/swelling: especially of the face, tongue, and/or throat
  • Severe dizziness
  • Trouble breathing

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your medical provider.


Nutritional supplements are classified as a food by the US Food and Drug Administration (FDA). Supplements do not require the same rigorous testing, review and approval that drugs are required to go through. Therefore, the statements contained in this document regarding Cranberry Extract have not been reviewed and approved by the FDA. However, significant research has been done on this product by many universities, public and private business. We at 5-Point Wellness, LLC desire to share information about Cranberry Extract, in order to educate our clientele to make well informed decisions for themselves.

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