Ingredient Repository · Ingredient

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Ingredient

Lactobacillus bulgaricus

A friendly probiotic strain that helps break down dairy sugars for easier digestion and less bloating.

What it is

Lactobacillus bulgaricus is a well-known friendly bacterium traditionally used to make yoghurt. It produces natural enzymes that help your gut break down lactose (milk sugar).

In Velobiotics formulas, each bacterium is wrapped in a protective micro-shield. This guards the live strain against harsh stomach acid so it reaches your intestine safe and active.

Also known as: L. bulgaricus, Lactobacillus delbrueckii subsp. bulgaricus

Key benefits

  • Helps break down lactose (dairy sugar), so you can enjoy meals with less gas or discomfort.
  • Produces natural lactic acid, which keeps your gut environment balanced and healthy.
  • Supports smooth daily digestion, helping you feel light and comfortable after eating.
  • Partners naturally with other friendly bacteria, which means your digestive system gets well-rounded support.

Amplified by probiotics

Lactobacillus bulgaricus works hand-in-hand with companion bacteria like Streptococcus thermophilus. They feed each other natural nutrients, helping both strains grow and thrive in your digestive tract. Together, they create a healthy acidic balance that keeps unwanted microbes away and helps your body absorb key minerals from food. Because each cell is protected by a micro-shield against stomach acid, more live bacteria reach your lower gut to support your digestion.

Typical dose

1–5 billion live bacteria (CFU) a day

The evidence

Evidence: strong

Clinical research shows that Lactobacillus bulgaricus helps your digestive system break down dairy foods and supports comfortable bowel movements. International food safety authorities recognise its role in easing lactose breakdown and keeping your gut running smoothly. (Rueangsri N 2026, Front Nutr) (Sadeghi R 2025, J Int Soc Sports Nutr) (Ejima R 2024, Nutrients)

  1. Rueangsri N, et al. The effects of dairy products containing Lactobacillus bulgaricus and Streptococcus thermophilus on bone turnover biomarkers and bone mineral density: a pilot trial study. Front Nutr. 2026;13:1785177 PubMed ↗
  2. Sadeghi R, et al. Pre-sleep casein ingestion with probiotic strains improves anaerobic power and lower-body-specific strength and power performance in soccer players. J Int Soc Sports Nutr. 2025;22:2505184 PubMed ↗
  3. Ejima R, et al. The Impact of Fermented Milk Products Containing Bifidobacterium longum BB536 on the Gut Environment: A Randomized Double-Blind Placebo-Controlled Trial. Nutrients. 2024;16: PubMed ↗

Safety & who should check first

Lactobacillus bulgaricus has a long history of safe use in food and supplements. It is well tolerated by adults, children, and expectant mothers. If you are pregnant, breastfeeding, or have a compromised immune system, speak to your doctor or pharmacist before taking new supplements.