ProVen Probiotics 50 Billion - ShapeLine has now been shown to support a shapelier you' when taken regularly over a six-month period - at one capsule a day. The product contains Lab4, the most researched group of friendly bacteria in the UK, along with Lactobacillus plantarum, an additional strain of live bacteria to provide a high-strength multi-strain product - with a total of 50 billion live bacteria per capsule. Each capsule also contains vitamins C and D and zinc to support the immune system.