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Is Yakult good for digestion?

Quick answer

No official source we read says Yakult improves digestion. NIH's NCCIH says probiotics have shown promise for some digestive purposes, such as preventing antibiotic-associated diarrhea, but that it is still unknown which probiotics help. Per USDA data, one 80 mL US bottle has about 50 kcal and 10 g sugars.

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In this article
  1. Does Yakult help digestion?
  2. What is in a Yakult bottle?
  3. What are the side effects and risks?
  4. Is Yakult good for a diet?

Does Yakult help digestion?

We found no NIH, FDA or NHS statement that Yakult itself improves digestion. NCCIH (NIH) says probiotics “have shown promise for a variety of health purposes, including prevention of antibiotic-associated diarrhea,” and may help with ulcerative colitis, but found no evidence of benefit for Crohn’s disease. It adds that in most instances we still do not know which probiotics are helpful and which are not.

What is in a Yakult bottle?

The USDA FoodData Central entry for Yakult Probiotic Drink (Yakult U.S.A. Inc.) lists ingredients as water, sugar, nonfat milk, glucose, natural flavors and L. paracasei strain Shirota. Serving: 1 bottle (80 mL).

Per 80 mL bottle (label values) Amount
Calories 49.6 kcal
Total sugars 10 g (8.96 g added)
Protein 1 g
Fat 0 g
Calcium 40 mg

What are the side effects and risks?

NCCIH describes an extensive history of apparently safe use in healthy people, but says few studies have looked at safety in detail. Severe or fatal infections have been reported in premature infants given probiotics, and people with serious illness or weakened immune systems should be monitored closely. We found no official list of Yakult side effects.

Is Yakult good for a diet?

With about 10 g of sugars per small bottle, it adds sugar. The USDA data above is the only figure we can source for it.

Ask a doctor or pharmacist before using probiotics for a health problem. Do not delay seeing a provider because of a probiotic.

People also ask

Is Yakult good for digestion?

No official source we read says so. NCCIH says some probiotics show promise for certain digestive problems, but it is not known which ones work.

What are the side effects of Yakult?

We found no official list. NCCIH notes probiotics are generally safe in healthy people but risky for premature infants and people with weakened immune systems.

How much sugar is in Yakult?

USDA lists 10 g of total sugars (8.96 g added) in one 80 mL US bottle, about 50 kcal.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. NCCIH (NIH): Probiotics: What You Need To Know, read 5 Nov 2026
  2. NCCIH (NIH): Probiotics: Usefulness and Safety, read 5 Nov 2026
  3. USDA FoodData Central: Yakult Probiotic Drink (FDC 2719414), read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Feb 17, 2026 · Updated Nov 5, 2026
About · How we verify this · Editorial policy · Corrections

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