How Much Cranberry Juice for UTI (A Complete Guide).

Our content is not intended nor recommended as a substitute for medical advice by your doctor. Use for informational purposes only.

The Short answer:

For UTI prevention, you can take 240-470 mL (8-16 FL OZ) per day from unconcentrated cranberry juice (as Ocean Spray 100% cranberry juice and Ocean Spray Diet Cranberry). Also, you can take one to three FL OZ of Pure (concentrated) cranberry juice.

Is there a specific dose of cranberry juice for UTI prevention?

Medical professionals use cranberry products (such as juices and pills) to help prevent cystitis (simple UTI).

However, there is no universally recommended dose of cranberry juice for UTI prevention.

Researchers used different doses and concentrations of cranberry juice in clinical trials to test the juice’s efficacy for UTI prevention.

Most trials used 240-300 (8-10 FL OZ) of 25% cranberry juice mixes (reference) and showed good efficacy.

In this article will go in-depth to determine the best dose for you regarding different cranberry juice formulations, concentrations, and sugar (calorie) content.

How Much Cranberry Juice can you take for UTI (Table summary):

There are more than10 types of Ocean Spray cranberry juice which can be quite confusing if you are planning to take any of them for UTI.

The table below illustrates the dosing for different cranberry juice products (The Ocean Spray® brand) that you can take for UTI prevention.

Some cranberry juices are higher than others in their sugar content. Long-term use of high-sugar cranberry juices may be not suitable for people with diabetes or those who want to lose weight.

So, I included the sugar content of each type of cranberry juice to help you determine what is best for you.

CRANBERRY JUICE TYPE (Ocean Spray Brand)	DOSE FOR UTI PREVENTION	TOTAL CALORIES (Per 8 Oz or 240 mL).
Original Cranberry Juice Cocktail(unsweetened).	8-16 FL OZ. OR 240-470 mL Per day.	110 Cal.
100% cranberry juice blend (Unsweetened).	Same Dose.	100 Cal.
Cranberry juice cocktail with Calcium.S	Same Dose.	100 Cal.
Cranberry juice cocktail with lime.	Same Dose.	100 Cal.
Diet cranberry Juice.	Same Dose (but less calories).	5 Cal.
Diet cranberry juice with lime	Same Dose.	5 Cal.
Light Cranberry Juice	Same dose	50 Cal.
Pure Unsweetened cranberry juice	3 FL OZ per day (90 mL) “Manufacturer label.”	60 Cal/ 8 FL OZ (or 22.5 Cal/3 FL OZ).

The following are the common types of cranberry juice and how much you can take for UTI prevention.

[Example 1] 100% Juice cranberry (juice mix):

Size: 64 O.Z. (8 servings, each serving is 8 fl Oz.).
Calories: 100 Kcal per serving (per 8 O.Z.)
Dose for UTI prevention: 10 to 16 Fl. O.Z. per day (one or two cups) Or 300-470 mL per day.

Pros:
- No artificial sweeteners.
- Good source of water (hydration).
- Good source of Vitamin C.
Cons:
- High-calorie intake (100-200 calories per day).
- Higher incidence of gastrointestinal discomfort.
- Large volume (240-500 mL must be taken daily to produce an effect).
- Not suitable for patients with IBS, Diabetes, and those who want to lose weight.

[Example 2] Ocean Spray Diet Cranberry Juice

Size: 64 O.Z. (8 servings).
Calories: 5 Kcal per serving (per 8 O.Z.)

Dose for UTI prevention: 10 to 16 Fl. O.Z. per day (one or two cups) or 300 to 470 mL per day.
Pros:
- Extremely low calorie (5 Kcal per serving).
- No weight gain.
- Suitable for diabetic patients and those who want to lose weight.
- Good source of water (hydration).
- Good source of Vitamin C.
Cons:
- Higher incidence of gastrointestinal discomfort.
- Large volume (240-500 mL must be taken daily to produce an effect).
- Not suitable for patients with IBS, Diabetes, and those who want to lose weight.

[Example 3] Ocean Spray Pure Cranberry Juice.

Size: 32 O.Z. (4 servings).
Calories: 60 Kcal per serving (8 Fl. Oz).
Dose: 3 O.Z. daily (1/2 cup).

Pros:
- No need to drink large volumes of juice (only half a cup daily).
- Relatively low caloric intake (30 Kcal daily).
- Relatively fewer gastrointestinal side effects.
- Good source of vitamin C.
Cons:
- Not completely sugar-free (as diet cranberry juice).