One Week Flat delivers a multi strain probiotic blend with a prebiotic fibre that supports gut health and eases everyday digestive discomfort. With a carefully chosen probiotic mix, it’s designed to reach your gut and support normal digestion. This is part of OptiBac's long standing focus on gut friendly formulas that are gluten free and vegan.

Available Sizes & Variants:

28 sachets – convenient weekly probiotic course that you can repeat as needed

Benefits & Features:

• Supports gut health and everyday comfort, helping you feel more settled after meals.
• Designed to reach the gut alive and deliver live cultures where they matter, this probiotic blend also includes a prebiotic fibre that helps feed friendly bacteria for a healthier balance.
• Gluten free and vegan, ideal for daily use.
• No added sugars or artificial flavours, making it kinder to sensitive stomachs.
• Gentle enough for daily use, and easy to incorporate into breakfast.

OptiBac One Week Flat sits within our trusted range of probiotics for gut health supplements, built on years of UK expertise. It’s a flavourless powder in convenient vegan sachets, so you can mix it with breakfast or a drink without fuss. The strains are chosen for their ability to reach the gut alive and support digestive health, while a prebiotic fibre nourishes friendly bacteria. Plus, Vegetarian Society Approved status reinforces its accessibility for vegetarians and beyond.