ProVen Probiotics Adult Acidophilus & Bifidus – 25 Billion is a high-strength friendly bacteria supplement for everyday use for adults aged 16+. Supported by a unique body of UK-based clinical research, the Lab4 live bacteria in ProVen Adult 25 Billion is the most comprehensively studied group of friendly bacteria in the UK. Each capsule contains 12.5 billion friendly bacteria along with key nutrients to provide additional support for digestion (calcium) and immunity (vitamins C and D, zinc and selenium). - High-strength friendly bacteria for adults - Contains extensively-researched Lab4 friendly bacteria - Additional nutrients to support digestion and immunity - 1-2 capsules per day