Previously called Optibac For Daily Immunity, this supplement contains a unique strain of friendly bacteria, Lactobacillus paracasei CASEI 431, which is proven to survive the gut alive. It also contains vitamin C which contributes to the normal function of the immune system.


Strains & active ingredients

Lactobacillus paracasei CASEI 431®

Vitamin C


Who is it for?For anyone looking for a daily friendly bacteria supplement with vitamin C to support the normal function of the immune system.


Good to know:

Each capsule provides 5 billion live cultures and 80mg of vitamin C. The billions count is guaranteed until end of expiry.

70% of the immune system lives in the gut - vitamin C is a water-soluble vitamin and is absorbed in the small intestine

Contains the well-researched strain Lactobacillus paracasei CASEI 431® which has been clinically trialled in thousands of people.

Suitable from 1 year onwards.

Scientifically proven to pass through stomach acidity and survive to reach the gut.

Vitamin C helps to support a healthy immune system and your body's resistance to infection.

Easy to take on the go – no refrigeration required.

Suitable for: women during pregnancy and for breastfeeding mothers, vegans, vegetarians and gluten free for those with coeliac disease or an intolerance.

Dairy free

Sugar free

Free from artificial flavourings or colourings that may be found in other food & drinks containing live cultures.

Recommended for daily use.

Available in one pack size of 30 capsules.


Please note: This is a food supplement and is not intended to prevent, treat or diagnose any medical conditions.

OptiBac For Daily Immunity